INSTRUCTION MANUAL
COMMUNICATION RECEIVER
iR2500
This device complies with Part 15 of the FCC rules. Operation is sub-
ject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
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SUPPLIED ACCESSORIES
OPTIONS
UT-106* DSP UNIT
Provides AF DSP functions such as noise reduction and auto
notch.
q
w
UT-108* DTMF DECODER UNIT
Provides DTMF decode function for sub band.
UT-118* DIGITAL UNIT
Provides DV (digital) mode operation.
t
y
UT-122* DIGITAL UNIT
Provides P25 (digital) mode operation.
e
r
CP-12L CIGARETTE LIGHTER CABLES
For operation and charging via a 12 V cigarette lighter socket.
OPC-254L DC POWER CABLES
For operation and charging via an external power supply.
q Antenna …………………………………………………… 1
w AC adapter* ……………………………………………… 1
e USB cable ………………………………………………… 1
r CD ………………………………………………………… 1
t Foot pad sheet……………………………………………… 1
y Cable hanger ……………………………………………… 1
*Not supplied with some versions.
SP-10 EXTERNAL SPEAKER
For all-round mobile operation. Cable length: 1.5 m; 4.9 ft
OPC-1156 SEPARATION CABLE
For extended separate installation. 3.5 m; 11.5 ft
MB-84 REMOTE CONTROLLER BRACKET
Mounts the remote controller in a convenient location.
MB-65 MOUNTING BASE
Mounts the controller with the MB-84. Adjustable angle and direction
for optimum positioning.
SPECIFICATIONS
*: The optional units UT-106, UT-108, UT-118, UT-122 installations
are described in the IC-PCR1500/IC-PCR2500’s Instruction man-
ual.
Specifications are provided in the IC-PCR1500/IC-PCR2500’s
Instruction manual.
ii
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PRECAUTIONS
NEVER place the receiver where normal operation of the
RWARNING! NEVER connect the receiver via the
OPC-254L to an AC outlet. This may pose a fire hazard or re-
sult in an electric shock.
vehicle may be hindered or where it could cause bodily injury.
NEVER let objects impede the operation of the cooling fan
on the rear panel.
RWARNING! NEVER operate the receiver while dri-
ving a vehicle. Safe driving requires your full attention— any-
thing less may result in an accident.
AVOID using or placing the receiver in direct sunlight or in
areas with temperatures below –10°C (+14°F) or above
+60°C (+140°F).
NEVER connect the receiver to a power source of more
than 14 V DC. This will damage the receiver.
BE CAREFUL! The receiver will become hot when op-
erating it continuously for long periods.
NEVER connect the receiver to a power source using re-
verse polarity. This will damage the receiver.
AVOID setting the receiver in a place without adequate
ventilation. Heat dissipation may be affected, and the receiver
may be damaged.
NEVER cut the DC power cable between the DC plug and
fuse holder. If an incorrect connection is made after cutting,
the receiver may be damaged.
AVOID the use of chemical agents such as benzine or al-
cohol when cleaning, as they can damage the receiver’s sur-
faces.
DO NOT leave the main unit powered ON and connected
to a vehicle’s electrical system. The main unit draws approx.
550 mA. This will eventually drain the vehicle’s battery.
For U.S.A. only
NEVER expose the receiver to rain, snow or any liquids.
The receiver may be damaged.
CAUTION: Changes or modifications to this device, not ex-
pressly approved by Icom Inc., could void your authority to
operate this device under FCC regulations.
NEVER operate or touch the receiver with wet hands. This
may result in an electric shock or damage the receiver.
iii
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ABOUT APCO PROJECT 25
This device made under license under one or more of the fol-
lowing US patents: #4,590,473, #4,636,791, #5,148,482,
#5,185,796, #5,271,017, #5,377,229.
The IMBE™ voice coding technology embodied in this product
is protected by intellectual property rights including patent
rights, copyrights and trade secrets of Digital Voice Systems,
Inc. This voice coding Technology is licensed solely for use
within this communications equipment. The user of this tech-
nology is explicitly prohibited from attempting to decompile, re-
verse engineer, or disassemble the object code, or in any
other way convert the object code into a human-readable
form. U.S. Pat. nos. #5,870,405, #5,826,222, #5,754,974,
#5,701,390, #5,715,365, #5,649,050, #5,630,011, #5,581,656,
#5,517,511, #5,491,772, #5,247,579, #5,226,084, #5,195,166.
P25 digital mode is available when the optional UT-122 DIG-
ITAL UNIT is installed.
iv
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TABLE OF CONTENTS
FOREWORD .............................................................. i
IMPORTANT ............................................................... i
EXPLICIT DEFINITIONS ............................................ i
SUPPLIED ACCESSORIES ...................................... ii
SPECIFICATIONS ..................................................... ii
OPTIONS ................................................................... ii
PRECAUTIONS ........................................................ iii
ABOUT APCO PROJECT 25 .................................... iv
TABLE OF CONTENTS ............................................. v
■ Attenuator function .......................................... 15
■ NB function ..................................................... 16
■ AGC function .................................................. 16
■ AFC function ................................................... 17
■ VSC function ................................................... 17
■ IF filter selection ............................................. 18
■ IF shift function ............................................... 18
■ Duplex operation ............................................ 19
■ Weather channel operation
(USA/CANADA versions only).............................. 20
■ Single band operation ..................................... 22
5 MEMORY OPERATION ............................... 23–32
■ General description ........................................ 23
■ Memory channel selection .............................. 23
■ Programming a memory channel ................... 24
■ Programming channel names ........................ 25
■ Copying memory contents .............................. 27
■ Memory clearing ............................................. 29
■ Memory bank setting ...................................... 30
■ Memory bank selection ................................... 31
■ Transferring bank contents ............................. 31
6 SCAN OPERATION ..................................... 33–37
■ Scan types ...................................................... 33
■ Scan start/stop ................................................ 34
■ Scan edges programming .............................. 35
■ Skip scan ........................................................ 36
■ Scan resume condition ................................... 37
1 CONNECTION ................................................. 1–2
■ Rear panel connection....................................... 1
■ Antenna installation .......................................... 2
2 PANEL DESCRIPTION .................................. 3–10
■ Front panel—controller ..................................... 3
■ Function display ................................................ 7
■ Rear panel—main unit ...................................... 9
3 SETTING A FREQUENCY ........................... 11–13
■ Preparation ..................................................... 11
■ Tuning step selection ...................................... 12
■ Using the tuning dial ....................................... 13
■ Receive mode selection ................................. 13
4 BASIC OPERATION .................................... 14–22
■ Receiving ........................................................ 14
■ Monitor function .............................................. 14
■ Lock function .................................................. 15
v
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1
2
7 PRIORITY WATCH ............................................ 38
■ Priority watch types ........................................ 38
■ Priority watch operation .................................. 38
8 POCKET BEEP AND TONE SQUELCH ..... 39–42
■ Pocket beep operation .................................... 39
■ Tone/DTCS squelch operation ........................ 41
■ Tone scan ....................................................... 42
9 DIGITAL MODE OPERATION ..................... 43–48
■ Digital mode operation .................................... 43
■ Pocket beep operation .................................... 43
■ Digital squelch operation ................................ 45
■ Call sign programming (for DV mode) ............... 47
■ ID code programming (for P25 mode) ............... 48
10 SET MODE ................................................... 49–64
■ General ........................................................... 49
■ Set mode items ............................................... 49
11 OTHER FUNCTIONS ................................... 65–68
■ DSP operation (Optional UT-106 is required)....... 65
■ DATA cloning
3
4
5
6
7
8
9
10
11
12
13
14
(IC-PCR2500 control software must be installed) ... 66
■ Partial reset ..................................................... 67
■ All reset............................................................ 67
■ Internal audio switch........................................ 68
12 TROUBLESHOOTING ....................................... 69
13 DOC ................................................................... 70
vi
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CONNECTION
1
D DC power supply connection
Use a 12 V DC power supply with at least 4 A capacity.
Make sure the ground terminal of the DC power supply is
grounded.
■ Rear panel connection
The antenna holder is backed with double-sided
tape. Remove the protective paper when the
antenna is fixed to any place.
• CONNECTING TO A DC POWER SUPPLY
Connect to a 12 V DC
Receiver
battery. Pay attention
to polarities. NEVER
connect to a 24 V bat-
tery. This could dam-
age the receiver.
The dualwatch operation or diversity
operation requires antennas connected
to both [ANT1] and [ANT2].
Receiver
white
OPC-254L
(optional)
to an
AC outlet
Supplied antenna
black
NOTE: Use the terminals as shown
below for the cable connections.
⊕
−
Crimp
Solder
DC power
supply 12 V
Ferrite core*
To ground
To AC adapter
R CAUTION! NEVER remove the fuse-
holders from the DC power cable.
Or
Fuse (4 A)
CP-12L
D Fuse replacement
Controller
(optional)
To a cigarette lighter socket
*: Ferrite core may not be present on all versions.
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Fuses (4 A)
1
CONNECTION 1
D
OPC-1156 connection
1
■ Antenna installation
q Connect the controller plug to the OPC-1156 jack.
w Detach the ferrite core from the controller cable, then at-
tach it to the OPC-1156 as shown below.
D Antenna location
To obtain maximum performance from the receiver, select a
high-quality antenna and mount it in a good location. It is not
necessary to use radials on a magnetic mount (“mag mount”)
antenna.
• Make sure to wind the cable on the ferrite core.
e Connect the OPC-1156 plug to the [CONTROLLER] con-
nector of the receiver.
Receiver
Ferrite core*
Jack
OPC-1156
Controller
*: Ferrite core may not be present on all versions.
2
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PANEL DESCRIPTION
2
■ Front panel—controller
The keys w to t are for the main band only.
Function display (pgs. 7, 8)
q
w
SET
SKIP
PWR
MAIN
AGC
MAIN
NB
VFO/MR
S.MW
VFO/MR
S.MW
MHz
TS
MHz
TS
VOL
VOL
COMMUNICATIONS RECEIVER iR2500
DIAL
DIAL
SQL
SQL
MONI
T/T-SCAN
MODE
SCAN
ATT
PRIO
t
r
e
3
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PANEL DESCRIPTION 2
1
2
3
qPOWER KEY [PWR•
]
t MONITOR•TONE•TONE SCAN KEY
➥ Push and hold for 1 sec. to turn the controller power ON
and OFF. (p. 11)
➥ Continue to hold this key down for 2 sec. after power
ON to turn the lock function ON and OFF. (p. 15)
[MONI•T/T-SCAN]
4
➥ Push to turn the monitor function ON and OFF. (p. 14)
➥ Push and hold for 1 sec. to enter the tone function se-
lection mode. (pgs. 34, 41, 44, 46)
5
6
• Pocket beep (CTCSS), tone squelch, pocket beep (DTCS),
DTCS squelch or tone function OFF can be selected in FM
mode.
• Pocket beep (DSQL), digital call sign squelch, pocket beep
(CSQL), digital code squelch or digital squelch function OFF
can be selected in DV*1 mode.
wSET•SKIP KEY [SET•SKIP]
7
➥ Push to enter set mode. (p. 49)
➥ Push and hold for 1 sec. to turn the channel skip setting
ON and OFF for memory/VFO skip scan operation.
(p. 36)
8
9
• Pocket beep (NAC), digital NAC squelch, pocket beep (Se-
lective), digital selective squelch or digital squelch function
OFF can be selected in P25*2 mode.
10
11
12
13
14
15
16
e ATTENUATOR/PRIORITY KEY [ATT•PRIO]
➥ Push to turn the ATT (Attenuator) function ON and OFF.
(p. 15)
*1: The optional UT-118 is required.
➥ Push and hold for 1 sec. to start priority watch. (p. 38)
*2: The optional UT-122 is required.
Some versions already come with the UT-122 installed.
➥ Push and hold for 1 sec. during tone function selection
mode to start the tone scan. (p. 42)
r MODE•SCAN KEY [MODE•SCAN]
➥ Push and hold for 1 sec. to enter receive mode select
mode. (p. 13)
• Rotate main band’s [DIAL] to select the desired receive
mode.
➥ Push and hold for 1 sec. to start a scan. (p. 34)
• Cancels a scan when pushed during scan.
4
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2
PANEL DESCRIPTION
The same controls for both the left and right bands are arranged symmetrically.
Left band
Right band
SET
SKIP
PWR
MAIN
AGC
MAIN
NB
ya
u
yb
u
VFO/MR
S.MW
VFO/MR
S.MW
MHz
TS
MHz
TS
i
i
VOL
VOL
COMMUNICATIONS RECEIVER iR2500
o
o
DIAL
DIAL
SQL
SQL
MONI
T/T-SCAN
MODE
SCAN
ATT
PRIO
!
!
!
!
5
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PANEL DESCRIPTION 2
1
2
ya MAIN•AGC KEY [MAIN•AGC]
oVOLUME CONTROL [VOL] (p. 14)
➥ Push to select the left band as main band. (p. 11)
➥ Push and hold for 1 sec. to turn the AGC (Automatic
Gain Control) function ON and OFF. (p. 16)
Adjusts the audio level for left and right band.
3
!TUNING DIAL [DIAL]
4
Selects the operating frequency (p. 13), memory channel
(p. 23), the setting of the set mode item and the scanning
direction (p. 34) for left and right band.
yb MAIN•NB KEY [MAIN•NB]
5
➥ Push to select the right band as main band. (p. 11)
➥ Push and hold for 1 sec. to turn the NB (Noise Blanker)
function ON and OFF. (p. 16)
6
!SQUELCH CONTROL [SQL]
7
Varies the squelch level for left and right band. (p. 14)
u
VFO/MEMORY•MEMORY WRITE KEY [VFO/MR•S.MW]
➥ Push to select from VFO, memory and weather chan-
nel* modes. (pgs. 11, 20, 23)
8
9
*Weather channels available for USA/CANADA versions only.
➥ Push and hold for 1 sec. to enter select memory write
mode for memory channel programming. (pgs. 24, 25,
35)
10
11
12
13
14
15
16
iMHz TUNING•TUNING STEP [MHz•TS]
➥ Push to select from band selection, 1 MHz or 10 MHz
tuning. (p. 13)
➥ Push and hold for 1 sec. to enter tuning step select
mode. (p. 12)
• Rotate [DIAL] to select the desired tuning step.
6
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2
PANEL DESCRIPTION
■ Function display
q
w
e r
q
w
Left band
Right band
t
t
!
!
!
! ! o i u
y
!
! ! o i u
y
*Display indicators are arranged identically for both
the left and right bands.
!
!
qMAIN INDICATOR (p. 11)
rAUTO POWER-OFF INDICATOR (p. 52)
Indicates the main band for function control.
Appears while the auto power OFF function is activated.
wRECEIVE MODE INDICATORS FOR ANALOG
tFREQUENCY READOUT
Shows the selected receive mode.
• SSB (LSB/USB), CW, AM and FM (FM/WFM) are available.
Shows the operating frequency, channel names, set mode
contents, etc.
• Frequency decimal point blinks while scanning. (p. 34)
eRECEIVE MODE INDICATOR FOR DIGITAL
Appears while the digital mode is selected.
yMEMORY CHANNEL NUMBER INDICATORS
➥ Shows the selected memory channel number. (p. 11)
➥ Shows the selected bank initial. (p. 31)
• The optional UT-118 for DV mode or UT-122 for P25 mode is re-
quired. Some versions come with the UT-122 installed.
➥ “L” appears when the lock function is activated. (p. 15)
7
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PANEL DESCRIPTION 2
➥ During P25*2 (Digital) mode operation:
2
uSKIP INDICATORS (p. 36)
➥ “~” appears when the displayed memory channel is
specified as a skip channel.
● “ ” appears while the digital NAC squelch function is
in use. (p. 45)
P
➥ “ ~” appears when the displayed frequency is speci-
● “ ” appears while the digital selective squelch func-
tion is in use. (p. 45)
fied as a program skip frequency.
➥ “S” appears with the “ ” or “ ” indicator while the
pocket beep function is in use. (pgs. 39, 43)
*1: The optional UT-118 is required.
iMEMORY INDICATOR (pgs. 11, 23)
Appears when memory mode is selected.
*2: The optional UT-122 is required.
oVSC INDICATOR (p. 17)
Some versions come with the UT-122 installed.
Appears when the VSC function is in use.
!PRIORITY INDICATOR (p. 38)
!S-METER INDICATORS
Appears while priority watch is activated; blinks while pri-
ority watch is paused.
Shows the relative signal strength while receiving signals.
(p. 14)
!ATT INDICATOR (p. 15)
!TONE INDICATORS
Appears when the ATT function is in use.
➥ During FM mode operation:
● “ ” appears while the tone squelch function is in use.
(p. 41)
!BUSY INDICATOR
➥ Appears when a signal is being received or the squelch
is open. (p. 14)
➥ Blinks while the monitor function is in use. (p. 14)
● “ ” appears while the DTCS squelch function is in
use. (p. 41)
➥ During DV*1 (Digital) mode operation:
● “ ” appears while the digital call sign squelch func-
tion is in use. (p. 45)
● “ ” appears while the digital code squelch function
is in use. (p. 45)
8
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2
PANEL DESCRIPTION
■ Rear panel—main unit
q
Left band
w
e
r
q
Speaker
Rear
Right band
Power switch
Top
DC IN
PACKET 1
DATA
PACKET 2
ANT 1
GND
ANT 2
USB
EXT SP
t
i
Front
u
y
PACKET jack connection
EXT SP jack connection
AUDIO
AUDIO
GND
GND
2-conductor 3.5 (d) mm (1⁄8˝)/8 Ω
2-conductor 3.5 (d) mm (1⁄8˝)/100 kΩ
9
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PANEL DESCRIPTION 2
qANTENNA CONNECTORS [ANT]
Connect a 50 Ω antenna with a BNC connector and a
50 Ω coaxial cable.
rUSB CONNECTOR [USB]
Connects to a PC via a supplied USB cable. This connec-
tor is only used for control software operation.
• No connection is necessary when the IC-R2500’s controller is in
use.
2
[ANT1] for left band, [ANT2] for right band.
Two antennas must be connected to [ANT1] and [ANT2]
during dualwatch operation or diversity operation.
Diversity operation requires two antennas of the same
performance in suitable places. Ask your antenna dealer
for installation details.
CAUTION: NEVER insert any other object than a USB
cable, such as a metallic object, otherwise the Main unit
may be damaged.
tEXTERNAL SPEAKER JACK [EXT SP]
Connect an 8 Ω external speaker.
• Audio output power is more than 0.5 W.
wDATA JACK [DATA]
1
Connect to a PC via an RS-232 cable (D-sub 9 pin) for DV
mode data communication in RS-232 format.
*1 : The optional UT-118 is required.
*
yCONTROLLER [CONTROLLER]
Connects to a controller via an extension cable. This con-
nector is only used for IC-R2500’s controller operation.
• No connection is necessary when the control software is in use.
Pin 2 (RxD),
Pin 5 (GND)
CAUTION: NEVER insert any other object than the con-
troller cable, such as a metallic object, otherwise the
Main unit may be damaged.
to the [DATA] jack
5
1
GND
uPOWER JACK [DC IN]
RxD
2.5(d) mm
Accepts 12 V DC ±15% via the supplied DC power cable.
9
6
Less than
10(d) mm
RS-232
(DB-9 female)
iGROUND TERMINAL [GND]
Connect this terminal to a ground.
ePACKET JACKS [PACKET]
Connect a TNC (Terminal Node Controller), etc. for data
communications. The receiver can support 9600 bps
packet communication (AFSK).
10
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SETTING A FREQUENCY
3
■ Preparation
D Turning power ON/OFF
D VFO and memory modes
The receiver has 2 basic operating modes: VFO mode and
memory mode. Select VFO mode first to set an operating fre-
quency.
[PWR•
]
[VFO/MR•S.MW]
➥ Push [PWR•
] for 1 sec. to turn power ON and OFF.
D MAIN band
The IC-R2500 can receive signals on both the left and right
bands simultaneously.
[MAIN•AGC]
[MAIN•NB]
“!” indicator appears when
memory mode is selected
➥ Push the desired band’s [VFO/MR•S.MW] to select VFO
mode.
➥ Push [VFO/MR•S.MW] again to select memory mode.
• “!” indicator appears when memory mode is selected.
➥ Push the desired band’s [MAIN•AGC] or [MAIN•NB] to se-
lect the main band.
• “Q” indicates the main band.
11
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SETTING A FREQUENCY 3
■ Tuning step selection
When using the tuning dial to change the frequency, or when
a scan function is activated, the frequency changes in incre-
ments determined by the set tuning step. This can be
changed if desired.
eRotate the same band’s [DIAL] to select the desired tun-
ing step.
3
The following tuning step are available.
• 0.01 kHz (10 Hz)
• 0.1 kHz (100 Hz)
• 2.5 kHz
• 0.02 kHz (20 Hz)
• 0.5 kHz (500 Hz)
• 5 kHz
• 0.05 kHz (50 Hz)
• 1 kHz
• 6.25 kHz
• 10 kHz
[DIAL]
rPush [MHz•TS] to exit tuning step select mode.
• Or push any other keys for the same band or any of the shared
keys below the display to exit tuning step select mode.
• 8.33 kHz
• 9 kHz
• 12.5 kHz
• 15 kHz
• 20 kHz
• 25 kHz
• 30 kHz
• 50 kHz
• 100 kHz
• 125 kHz
• 150 kHz
• 200 kHz
• 500 kHz
• 1000 kHz (1 MHz)
q Push the desired band’s [MAIN] to select the main band.
• Push the same band’s [VFO/MR•S.MW] to select VFO mode, if
necessary.
wPush and hold [MHz•TS] for 1 sec. to enter tuning step se-
lect mode.
[MHz•TS]
12
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3
SETTING A FREQUENCY
■ Using the tuning dial
qRotate the desired band’s [DIAL] to set the frequency.
• If VFO mode is not selected, push the same band’s
[VFO/MR•S.MW] to select VFO mode.
■ Receive mode selection
Receive modes are determined by the physical properties of
the radio signals. The receiver has 6 receive modes: USB
LSB, CW, AM, WFM and FM modes. The mode selection is
stored independently in each memory channel.
• The frequency changes in the selected tuning steps. (p. 12)
Additionally, IC-R2500 has a DV or P25 mode when the op-
tional UT-118 or UT-122 units are installed, respectively. In
DV or P25 mode, the right band can select AM, FM and WFM
mode only.
Push [VFO/MR•S.MW]
Rotate [DIAL]
Typically, AM mode is used for the AM broadcast stations
(0.495–1.620 MHz), air band (118–135.995 MHz), and short-
wave broadcasts. WFM is used for FM broadcast stations
(76–107.9 MHz). WFM mode can be selected on 1300 MHz
band or below.
wTo change the frequency band or tune in 1 MHz (10 MHz)
steps, push [MHz•TS], then rotate the band’s [DIAL].
qPush [MODE•SCAN] to enter receive mode select mode.
While the band selection mode is selected,
the digits below 100 kHz disappear.
[MODE•SCAN]
[DIAL]
wRotate main band’s [DIAL] to select the desired mode.
While 10 MHz tuning step is
selected, the 10 MHz digit
blinks.
While 1 MHz tuning step is
selected, the 1 MHz digit
blinks.
ePush any key for main band to exit receive mode select
mode.
ePush [MHz•TS] to return to the normal display.
13
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BASIC OPERATION
4
1
■ Receiving
■ Monitor function
This function is used to listen to weak signals without disturb-
ing the squelch setting or to open the squelch manually even
when mute functions such as the tone squelch are in use.
qSet the audio level for the main band.
2
➥ Push the desired band’s [MAIN].
3
➥ Push [MONI•T/T-SCAN] to open the squelch.
➥ Rotate the main band’s [VOL] to adjust the audio level.
➥ Push [MONI•T/T-SCAN] to close the squelch.
wSet the squelch level.
4
[MONI•T/T-SCAN]
5
➥ Rotate the main band’s [SQL] fully counterclockwise in
advance, then rotate [SQL] clockwise until the noise
just disappears.
6
7
eSet the operating frequency in the main band. (pgs. 11–13)
• When interference due to strong signals is received, push
[ATT•PRIO] to turn the attenuator function ON. (p. 15)
rWhen a signal is received on the set frequency, squelch
opens and the receiver emits audio.
8
9
10
11
12
13
14
15
16
➥ After pushing [MAIN] to select the desired band (left or
right) as the main band, push [MONI•T/T-SCAN] for 1 sec.
to open the squelch.
• “BUSY” blinks.
• Push [MONI•T/T-SCAN] again to cancel the function.
• “BUSY” appears and the S-meter shows the relative signal
strength for the received signal.
Appears when receiving a signal.
14
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4
BASIC OPERATION
■ Lock function
■ Attenuator function
To prevent accidental frequency changes and unintentional
function access, use the lock function.
The attenuator prevents a desired signal from being distorted
when very strong signals are near the desired frequency or
when very strong RF fields, such as from a broadcasting sta-
tion, are near your location. The attenuator reduces signal
strength by about 20 dB and this function can be activated on
1300 MHz or below.
➥ Continue to hold [PWR•
] down for 2 sec. after power
ON to turn the lock function ON and OFF.
• [MONI•T/T-SCAN] (monitor function only), [VOL], [SQL],
[MAIN•AGC] (main band selection only) and [MAIN•NB] (main
band selection only) can be used while the lock function is in
use.
➥ Push [ATT•PRIO] momentarily to toggle the attenuator
function ON and OFF.
• Push [MAIN] to select the desired band (left or right) as the main
band in advance.
[PWR•
]
• “ATT” appears when the attenuator function is in use.
[ATT•PRIO]
2 “L”s appear while the lock function is activated.
Appears
15
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BASIC OPERATION 4
1
■ NB function
■ AGC function
The AGC (Automatic Gain Control) function controls receiver
gain to produce a constant audio output level even when the
received signal strength varies from fading, etc. A slow-re-
sponse AGC function is selectable for SSB, CW or AM mode.
The NB (noise blanker) function removes pulse-type noise
when SSB, CW or AM mode is selected.
2
3
➥ After pushing [MAIN] to select the desired band (left or
right) as the main band, push and hold [MAIN•NB] for 1
sec. to toggle the NB function ON and OFF.
• “nb-On” or “nb-OF” appears for a moment when the NB function
is turned ON or OFF, respectively.
4
5
➥ After pushing [MAIN] to select the desired band (left or
right) as the main band, push and hold [MAIN•AGC] for 1
sec. to toggle the AGC function Slow and Fast.
6
• “AGC-S” or “AGC-F” appears for a moment when the AGC func-
tion is selected Slow or Fast, respectively.
7
[MAIN•NB]
8
[MAIN•AGC]
9
10
11
12
13
14
15
16
While in FM or WFM mode, the AGC function is fixed as
Fast and AGC Slow cannot be selected.
16
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4
BASIC OPERATION
■ AFC function
The AFC (Automatic Frequency Control) function tunes the
displayed frequency automatically when an off-center fre-
quency is received. It activates in FM mode and only when
the selected IF filter is 6 kHz or 15 kHz.
[
■ VSC function
[
The VSC (Voice Squelch Control) function opens the squelch
only when receiving a modulated signal. This function is very
useful while scanning, the VSC pauses only when modulated
signals are received. Scanning continues when unmodulated
or beat signals are received.
q Push the desired band’s [MAIN] to select the main band.
w Select FM mode.
e Push [SET•SKIP] to enter set mode.
r Push [SET•SKIP] or [ATT•PRIO] several times until “AFC”
appears.
q Push the desired band’s [MAIN] to select the main band.
w Push [SET•SKIP] to enter set mode.
e Push [SET•SKIP] or [ATT•PRIO] several times until “VSC”
appears.
[SET•SKIP]
[ATT•PRIO]
[SET•SKIP]
[ATT•PRIO]
[DIAL]
[DIAL]
t Rotate the main band’s [DIAL] to toggle the AFC function
r Rotate the main band’s [DIAL] to toggle the VSC function
ON and OFF.
ON and OFF.
y Push any key for the main band to exit set mode.
t Push any key for the main band to exit set mode.
17
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BASIC OPERATION 4
1
■ IF filter selection
The receiver has 2 to 4 IF passband filter widths for each
mode. Selectable passband widths are 3, 6, 15, 50 and 230
(depending on the selected mode).
[
■ IF shift function
[
2
The IF shift function electronically changes the passband fre-
quency of the IF (Intermediate frequency) cutting out higher
or lower frequency components of the IF to reject interfer-
ence. This function is available when the receive mode is
SSB or CW mode, and shifts the IF frequency up to ±25 steps
(in 1 step: 50 Hz).
3
4
• Selectable passband width for each mode.
SSB mode : 3 (2.8 kHz) or 6 kHz
CW mode : 3 (2.8 kHz) or 6 kHz
AM mode : 3 (2.8 kHz), 6 kHz, 15 kHz or 50 kHz
WFM mode: 50 kHz or 230 kHz
5
6
q After pushing [MAIN] to select the desired band (left or
7
right) as the main band, push [SET•SKIP] to enter set
FM mode : 6 kHz, 15 kHz or 50 kHz
mode.
8
w Push [SET•SKIP] or [ATT•PRIO] several times until “SFt”
9
q Push the desired band’s [MAIN] to select the main band.
w Push [SET•SKIP] to enter set mode.
e Push [SET•SKIP] or [ATT•PRIO] several times until “VSC”
appears.
appears.
[SET•SKIP]
10
11
12
13
14
15
16
[ATT•PRIO]
[SET•SKIP]
[ATT•PRIO]
[DIAL]
e Rotate the main band’s [DIAL] to set the shifting direction
and frequency range.
[DIAL]
r Rotate the main band’s [DIAL] to select the desired IF
passband width.
Center position
(default)
Lowest
Highest
r Push any key for the main band to exit set mode.
t Push any key for the main band to exit set mode.
18
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4
BASIC OPERATION
■ Duplex operation
Duplex communication uses two different frequencies for
transmitting and receiving. Generally, duplex is used in com-
munication through a repeater, some utility communications,
etc.
tPush [SET•SKIP] once to advance to the offset frequency
setting item.
yRotate the main band’s [DIAL] to set the desired offset fre-
quency within 0.000–1000.000 MHz range.
• The tuning step, selected in VFO mode, is used for setting.
• Push [MHz•TS] then rotate the main band’s [DIAL] to change
the frequency in 10 MHz steps, or push again then rotate the
main band’s [DIAL] to change the frequency in 1 MHz steps.
(Each push toggles 1MHz, 10 MHz or selected tuning steps.)
During duplex operation, the transmit station frequency is
shifted from the receive station frequency by the offset fre-
quency. Repeater information (offset frequency and shift di-
rection) can be programmed into memory channels. (p. 24)
D Setting
[
qPush the desired band’s [MAIN] to select the main band.
wPush [SET•SKIP] to enter set mode.
ePush [SET•SKIP] or [ATT•PRIO] several times until the
duplex direction setting item “OFF dP,” “DUP– dP” or “DUP+
dP” appears.
uPush any key for main band to exit set mode.
[SET•SKIP]
[ATT•PRIO]
[DIAL]
rRotate the main band’s [DIAL] to select the duplex direc-
tion, “DUP– dP” or “DUP+ dP.”
19
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BASIC OPERATION 4
1
■ Weather channel operation
(USA/CANADA versions only)
2
D Operation
qSet the receive station frequency (repeater output frequency).
wPush [MONI•T/T-SCAN] to monitor the transmit station fre-
quency (repeater input frequency) directly.
D
Weather channel selection
3
q Push [VFO/MR•S.MW] to select memory mode in the de-
sired band (left or right).
4
w Push [MHz•TS] to enter memory type selection mode.
5
[MONI•T/T-SCAN]
[VFO/MR•S.MW]
[MHz•TS]
6
7
8
[DIAL]
9
10
11
12
13
14
15
16
Frequency shifts
the offset frequency
Weather channel group indicaiton
e Rotate [DIAL] to select the weather channel group.
r Push any key for main band or any of the shared keys
below the display to set the channel indication.
• Channel number appears.
t Rotate [DIAL] to select the desired weather channel.
y To return to regular memory mode, repeat steps w to r
and select “bAnk --” at step e.
20
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4
BASIC OPERATION
D
Weather alert function
r When the alert is detected, a beep sounds and the follow-
NOAA broadcast stations transmit weather alert tones before
important weather announcements. When the weather alert
function is turned ON, the selected weather channel is moni-
tored each 5 sec. for the announcement. When the alert sig-
nal is detected, the “ALt” and the WX channel are displayed
alternately and sounds a beep tone until the receiver controls
are manipulated. The previously selected weather channel is
checked periodically during standby or while scanning.
ing indication will be displayed.
Shows above indications alternately.
t Turn the weather alert function OFF in set mode.
q Select the desired weather channel.
w Turn the weather alert function ON in set mode.
• Push [MAIN] to select the desired band (left or right) as the main
band in advance.
NOTE: While receiving a signal (on a frequency other than
the weather alert ON frequency), the receiving signal or
audio will be interrupted momentarily every 5 sec. (approx.)
in case the alert function is turned ON. This is caused by
the WX alert function. To eliminate the interruptions, set the
weather alert item OFF in set mode.
➥ Push [SET•SKIP] to enter set mode.
➥ Push [SET•SKIP] or [ATT•PRIO] to select the weather
alert item, then rotate the main band’s [DIAL] to set ON.
➥ Push any key for main band to exit set mode.
e Select the desired stand-by condition.
• Select VFO or memory channel.
• Scan or priority watch operation can also be selected.
21
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BASIC OPERATION 4
1
■ Single band operation
2
D
D
Single band/Dualwatch operation
Diversity operation
3
Dualwatch operation monitors two frequencies simultane-
ously. The IC-R2500 has two independent receiver circuits:
left band, and right band (available frequencies, operating mode
and functions are different depending on bands).
Single band operation is useful when only one frequency is
being watched. The right band can be inhibited.
The diversity receiving compares the receiving signal strength
from two different antennas, ANT1 and ANT2, and automati-
cally selects the strongest signal. This feature is useful when
you are listening in a moving vehicle or the transmitting sta-
tion itself is moving. Diversity receiving is available from 50
MHz to 1300 MHz on FM, P25 and DV modes only.
4
5
6
7
qSelect the left band as the main band.
qTurn the sub band OFF to select single band operation as
8
➥ Push [MAIN•AGC] once to select left band, if necessary.
wPush [SET•SKIP] to enter set mode.
ePush [SET•SKIP] or [ATT•PRIO] several times to select
“SUb” item.
described at left.
wRotate right band’s [DIAL] to turn the diversity function ON
or OFF.
9
10
11
12
13
14
15
16
rRotate the left band’s [DIAL] to turn the sub band ON for
dualwatch or OFF for single band operation.
[DIAL]
[MAIN•AGC]
[SET•SKIP]
[DIAL]
[ATT•PRIO]
“
“
” indicator appears while [ANT1] is selected,
” indicator appears while [ANT2] is selected.
• With the squelch open in FM mode while receiving a
weak signal, diversity receiving does not work properly.
• AGC is disabled during diversity receiving.
tPush any key for main band to exit set mode.
When the dualwatch operation is in use, IC-R2500 must be
connected to two antennas. ([ANT1] and [ANT2])
22
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MEMORY OPERATION
5
■ General description
■ Memory channel selection
The receiver has 1100 memory channels including 100 scan
edge memory channels (50 pairs) for storage of often-used
frequencies. And a total of 21 memory banks, A to H, J to R,
T, U, W and Y are available for storing groups of frequencies,
etc. Up to 100 channels can be assigned to a bank.
q Push the desired band’s [VFO/MR•S.MW] once or twice
to select memory mode.
• “M” indicator appears.
[VFO/MR•S.MW]
D Memory channel contents
The following information can be programmed into memory
channels:
• Operating frequency (p. 13)
• Receive mode (p. 13)
• Tuning step (p. 12)
• Attenuator ON/OFF (p. 15)
• IF filter selection (p. 18)
• Duplex direction (DUP+ or DUP–) with an offset fre-
quency (p. 19)
“!” indicator appears when
memory mode is selected
• Squelch control system ON/OFF and its frequency or
code (pgs. 39, 41, 43, 45)
• Scan skip information (p. 36), etc.
w
Rotate the same band’s [DIAL] to select the desired mem-
ory channel.
• Programmed memory channels only can be selected.
If memory banks or weather channels* mode appears at
step q, push [MHz•TS] and rotate [DIAL] to select
“bAnk --,” then push any keys for the main band or any of
the shared keys below the display to return to channel se-
lection.
*Available for USA/CANADA versions only.
23
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MEMORY OPERATION 5
■ Programming a memory channel
VFO settings, including the set mode contents such as sub-
audible tone frequency, offset and scan skip information can
be programmed into a memory channel.
eRotate the same band’s [DIAL] to select the memory chan-
nel to be programmed.
• Memory channels not yet programmed are blank.
rPush and hold [VFO/MR•S.MW] for 1 sec. to program.
• 3 beeps sound
qSet the desired frequency in the desired band (left or right).
➥ Push the desired band’s [VFO/MR•S.MW] once or twice
to select VFO mode.
5
• Memory channel number automatically increases when contin-
uing to push [VFO/MR•S.MW] after programming.
➥ Set the frequency using the same band’s [DIAL].
➥ Set other data (e.g. tone frequency, duplex information,
etc.) if required.
✔CONVENIENT
Memory programming can be made quicker by copying mem-
ory information to different memory channels (p. 27).
wPush and hold the same band’s [VFO/MR•S.MW] for
1 sec. to enter select memory write mode.
• “!” indicator and the memory channel number blink.
[EXAMPLE]: Programming 145.800 MHz into memory channel 20 (blank channel).
VFO/MR
S.MW
VFO/MR
S.MW
Push
Rotate
for setting frequency, etc.
Push
for 1 sec.
Beep
Beep
VFO/MR
S.MW
VFO/MR
S.MW
Rotate
Push
for 1 sec. and continue to push
Release
➠
Beep
Beep
Beep
Beep
24
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5
MEMORY OPERATION
■ Programming channel names
E
ach memory channel can be programmed with an alphanu-
e Push [SET•SKIP] several times to select the memory
name programming condition, “m nAmE.”
• Frequency readouts disappear and a cursor blinks.
r Rotate the same band’s [DIAL] to select the desired char-
acter.
meric channel name for easy recognition and can be indicated
independently by channel. Names can be a maximum of 6
characters— see the table on next page for available charac-
ters.
• The selected character blinks.
qSelect the desired memory channel to be programmed.
➥ Push [VFO/MR•S.MW] to select memory mode, then ro-
tate the same band’s [DIAL] to select the desired mem-
ory channel.
t Push [ATT•PRIO] to move the cursor to the right.
• Repeat pushing [ATT•PRIO] to return to the first digit.
y Repeat steps r and t until the desired channel name is
displayed.
wPush and hold [VFO/MR•S.MW] for 1 sec. to enter select
memory write mode.
u Push and hold [VFO/MR•S.MW] for 1 sec. to program the
name and exit select memory write mode.
• “!” indicator and the memory channel number blink.
[EXAMPLE]: Programming “CLUB” into memory channel 12.
Select
memory channel
Push SSKEITP
twice
VFO/MR
S.MW
VFO/MR
S.MW
Push
for 1 sec.
Repeat the
previous
steps.
VFO/MR
S.MW
Rotate
Push
for 1 sec.
Beep
Beep
Beep
25
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MEMORY OPERATION 5
1
2
• Available characters
D To indicate the channel name
[
The channel name indication can be set independently for
each memory channel.
3
(A)
(J)
(S)
(1)
(+)
(B)
(C)
(L)
(U)
(3)
(/)
(
D
)
(E)
(N)
(F)
(O)
(X)
(6)
(G)
(P)
(Y)
(7)
(
H
)
(space)
4
(I)
(
K)
(M
)
(Q
)
qSelect the desired memory channel in the main band.
➥ Push [VFO/MR•S.MW] once or twice to select memory
mode, then rotate the same band’s [DIAL] to select the
desired memory channel.
• “!” and memory channel number appear.
wPush [SET•SKIP] to enter set mode.
ePush [SET•SKIP] or [ATT•PRIO] several times to select
“Anm” item.
5
(R)
(T)
(2)
(–)
(V)
(4)
(=)
(W
)
(Z)
(8)
6
(5)
7
(0)
(9)
8
9
rRotate same band’s [DIAL] to turn the memory name indi-
cation ON.
10
11
12
13
14
15
16
tPush any key for main band to exit set mode.
NOTE: When no memory name is programmed, the stored
frequency is displayed.
26
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5
MEMORY OPERATION
■ Copying memory contents
This function transfers a memory channel’s contents to VFO
(or another memory channel). This is useful when searching
for signals near a memory channel frequency and for recalling
the subaudible tone frequency, etc.
D Memory➪VFO
qSelect the desired band’s (left or right) memory channel to
be transferred.
➥ Push the desired band’s [VFO/MR•S.MW] several times
to select memory mode, then rotate the same band’s
[DIAL] to select the desired memory channel.
• “!” and memory channel number appear.
wPush and hold [VFO/MR•S.MW] for 3 sec. to transfer the
selected memory channel contents to VFO mode.
• VFO mode is selected automatically.
[EXAMPLE]: Transferring the contents of memory channel 30 to VFO.
VFO/MR
S.MW
Push
to select memory mode.
VFO/MR
S.MW
Rotate
for selecting memory channel.
Push
for 3 sec.
27
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MEMORY OPERATION 5
D Memory➪memory
e Rotate the same band’s [DIAL] to select the target mem-
ory channel.
qSelect the desired band’s (left or right) memory channel to
be transferred.
• Scan edge channels, 0A/0B to 49A/49B can also be selected.
r Push and hold [VFO/MR•S.MW] for 1 sec. to transfer the
selected memory channel contents to the target memory
channel.
➥ Push the desired band’s [VFO/MR•S.MW] several times
to select memory mode, then rotate the same band’s
[DIAL] to select the desired memory channel.
• “!” and memory channel number appear.
w Push and hold the same band’s [VFO/MR•S.MW] for 1
sec. to enter select memory write mode.
• “!” and memory channel number blink.
5
• The targeted memory channel and transferred contents are dis-
played.
[EXAMPLE]: Transferring the contents of memory channel 22 to channel 23.
VFO/MR
S.MW
VFO/MR
S.MW
Push
to select memory mode.
Rotate
for selecting memory channel.
Push
for 1 sec.
VFO/MR
S.MW
Push
for 1 sec.
Select the target channel.
28
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5
MEMORY OPERATION
■ Memory clearing
Contents of programmed memories can be cleared (erased),
if desired.
r Push [SET•SKIP] three times to select “CLEAR,” then
push and hold [VFO/MR•S.MW] for 1 sec.
• 3 beeps sound.
q Push [VFO/MR•S.MW] to select VFO mode in the main
band.
w Push the same band’s [VFO/MR•S.MW] for 1 sec. to enter
select memory write mode.
• “!” indicator and the memory channel number blink.
e Rotate the same band’s [DIAL] to select the memory
channel to be cleared.
• The cleared channel display changes to blank.
• “!” and the memory channel number blink continuously.
t Push the same band’s [MAIN] or [MHz•TS] to exit select
memory write mode, or repeat steps e and r to clear an-
other channel.
y Push the same band’s [VFO/MR•S.MW] to return to VFO
mode.
• Memory channels not yet programmed are blank.
☞NOTE: Be careful!— the contents of cleared memories
CANNOT be recalled.
[EXAMPLE]: Clearing memory channel 20.
VFO/MR
S.MW
VFO/MR
S.MW
Push
to select VFO.
Push
for 1 sec.
Rotate
for selecting memory channel.
Push any switch for main band
Push SSKEITP
three times, then push
for 1 sec.
VFO/MR
S.MW
VFO/MR
VFO/MR
S.MW
other than
, then push
to return to VFO.
S.MW
Beep
Beep
Beep
29
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MEMORY OPERATION 5
■ Memory bank setting
The IC-R2500 has a total of 21 banks (A to H, J to R, T, U,
W, Y). Regular memory channels, 0 to 999, may assigned
into the desired bank for easy memory management.
[
[SET•SKIP]
[VFO/MR•S.MW]
[ATT•PRIO]
q Select the desired memory channel.
5
➥ Push [VFO/MR•S.MW] to select memory mode in the
main band, then rotate the same band’s [DIAL] to se-
lect the desired memory channel.
[DIAL]
r Rotate the same band’s [DIAL] to select the desired bank
and bank channel.
• “!” and memory channel number appear.
w Push and hold the same band’s [VFO/MR•S.MW] for 1
sec. to enter select memory write mode.
• “!” indicator and the memory channel number blink.
e Push [SET•SKIP] once to select “bAnk.”
• Push [ATT•PRIO] to toggle the bank or bank channel selection.
• Banks A to H, J to R, T, U, W and Y are available.
• Only vacant bank channel numbers will be displayed.
Bank selection
Bank channel selection
After [SET•SKIP]
released
t Push and hold [VFO/MR•S.MW] for 1 sec. to program the
bank and exit select memory write mode.
30
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5
MEMORY OPERATION
■ Memory bank selection
q Push [VFO/MR•S.MW] to select memory mode in the de-
sired band (left or right).
■ Transferring bank contents
The bank contents of programmed memory channels can be
cleared or transferred to another bank.
w Push [MHz•TS] to enter memory type selection mode.
INFORMATION: Even if the bank is cleared of memory
channels, the memory channel contents still remain pro-
grammed.
[VFO/MR•S.MW]
[MHz•TS]
q Select the desired bank contents to be transferred or
erased from the bank in the main band.
[DIAL]
➥ Push the main band’s [VFO/MR•S.MW] several times
to select memory mode.
➥ Push the same band’s [MHz•TS] then rotate the same
band’s [DIAL] to select the desired memory bank.
• Bank’s indicator appears at top of the memory channel.
➥ Push any key for the main band or any of the shared
keys below the display to select the bank then rotate the
same band’s [DIAL] to select the desired contents.
e Rotate the same band’s [DIAL] to select the desired bank
(A to H, J to R, T, U, W or Y).
• Only programmed banks are displayed.
r Push any key for the main band or any of the shared keys
below the display to set the bank indication.
• Bank’s indicator appears at top of the memory channel.
t Rotate the same band’s [DIAL] to select the contents in
the bank.
[VFO/MR•S.MW]
[MHz•TS]
y To return to regular memory mode, repeat steps w–r and
select “bAnk --” at step e.
[DIAL]
• Memory bank indication
Bank indicator appears
31
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MEMORY OPERATION 5
w Push [VFO/MR•S.MW] for 1 sec. to enter select memory
write mode.
r Rotate the same band’s [DIAL] to select the desired bank
indicator to transfer or erase.
• “!” indicator and the memory channel number blink.
• Push [ATT•PRIO] to toggle the bank or bank channel selection.
• Select “– –” indication when erasing the contents from the bank.
• Vacant bank channel numbers are only be displayed.
5
Memory channel blinks
Bank selection
Bank channel selection
e Push [SET•SKIP] once to select “bAnk.”
t Push and hold [VFO/MR•S.MW] for 1 sec. to program the
bank and return to regular memory mode.
y Repeat steps q to t for transferring or erasing an an-
other bank’s contents.
After [SET•SKIP]
released
32
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SCAN OPERATION
6
■ Scan types
Scanning searches for signals automatically and makes it
easier to locate new stations.
There are 5 scan types and 4 resume conditions to suit your
operating needs.
Repeatedly scans all frequen-
cies over the entire band.
Repeatedly scans between
two user-programmed fre-
quencies. Used for checking
for frequencies within a speci-
fied range such as repeater
output frequencies, etc.
FULL SCAN (p. 34)
PROGRAMMED SCAN
(p. 34)
10
kHz
3299.9999
MHz
Band
edge
Scan edges
Band
edge
xxB
xxA
Some frequency ranges are
not scanned according to the
frequency coverage of the re-
ceiver’s version.
Scan
Jump
Scan
Jump
Repeatedly scans memory
channels except those set as
skip channel. Skip channels
can be turned ON and OFF
by pushing and holding
[SET•SKIP] in memory mode.
Repeatedly scans all bank
channels or selected bank
channels. Skip scan is also
available.
MEMORY (SKIP) SCAN
(p. 34)
ALL/SELECTED BANK
SCAN (p. 34)
SKIP
SKIP
M 1
M 2
M 3
M 5
A00
A01
A02
M 0
M 4
A99
A03
SKIP
SKIP
M 199
M 6
A98
A05
A04
Skips unwanted frequencies
or channels that inconve-
niently stop scanning. This
function can be turned ON
and OFF by pushing and
holding [SET•SKIP] in mem-
ory mode.
FREQUENCY/MEMORY
SKIP FUNCTION (p. 36)
Band
edge
Band
edge
Scan
Jump
SKIP
SKIP
33
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SCAN OPERATION 6
1
■ Scan start/stop
2
D Preparation
Scan resume condition (p. 37); program scan edges (p. 35);
program two or more memory channels (p. 24); set skip set-
tings (p. 36), if desired.
3
IMPORTANT!: To perform memory or bank scan, two or
more memory/bank channels MUST be programmed, oth-
erwise the scan will not start.
4
5
D Operation
r Push [SET•SKIP] (or [ATT•PRIO]) to select full and pro-
grammed scan (P00 to P49), if VFO is selected in step q.
t To stop the scan, push [MODE•SCAN].
qPush [VFO/MR•S.MW] once or twice to select VFO mode
for full/programmed scan; or to select memory mode for
memory/bank scan.
6
7
• Select the desired bank in memory type selection mode for bank
scan.
8
About the scanning steps: The selected tuning step in
each frequency band (in VFO mode) is used during scan.
wSet the squelch level to the point where noise is just muted.
ePush and hold [MODE•SCAN] for 1 sec. to start the scan.
• To change the scanning direction, rotate the main band’s [DIAL].
• The memory channel readout blinks the scan type as below.
9
The bank-link setting can be changed in set mode. See
(p. 56) for details.
10
11
12
13
14
15
16
• During full scan
• During programmed scan
• During memory scan
• During bank scan
Indicates bank channel.
Push [SET•SKIP] to se-
lect full (ALL) or program-
med scan (P00–P49) in
sequence.
Indicates scan edge channels.
• P01 stands for 01A/01B
• P00 to P49 are available when
they are programmed, and se-
lected with [SET•SKIP].
NOTE: When SSB, CW, AM, FM, WFM or Digital mode
frequencies are programmed into memory channels randomly,
memory scan is slow because changing modes takes time. In
this case, assign the SSB, CW, AM, FM, WFM or Digital mode
frequencies into separate banks where bank scan can be
used. And using the bank scan is helpful.
While pushing and holding [MODE•SCAN], rotate [DIAL]
also to select full (ALL) or programmed scan (P00–P49).
34
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6
SCAN OPERATION
■ Scan edges programming
Scan edges can be programmed in the same manner as
memory channels. Scan edges are programmed into scan
edges, 0A/0B to 49A/49B, in memory channels.
r Rotate the same band’s [DIAL] to select one of scan edge
channel, 0A to 49A.
t Push and hold [VFO/MR•S.MW] for 1 sec. to program.
• 3 beeps sound and VFO mode is automatically selected.
• Scan edge 0B to 49B is automatically selected when continuing
to hold [VFO/MR•S.MW] after programming.
q Push the desired band’s [VFO/MR•S.MW] once or twice
to select VFO mode.
w Set the edge frequency of the desired frequency range:
➥ Set the frequency using the same band’s [DIAL].
➥ Set other data (e.g. tone squelch, etc.), if desired.
e Push and hold the same band’s [VFO/MR•S.MW] for
1 sec. to enter select memory write mode.
y To program a frequency for the other pair of scan edges,
0B to 49B, repeat steps w to r.
• If the same frequency is programmed into a pair of scan edges,
programmed scan will not function.
• “!” indicator and the memory channel number blink.
[EXAMPLE]: Programming 144.000 MHz into scan edge 1A.
VFO/MR
S.MW
VFO/MR
S.MW
Push
Rotate
for setting frequency, etc.
Push
for 1 sec.
Beep
Beep
VFO/MR
S.MW
VFO/MR
S.MW
Rotate
Push
for 1 sec. and continue to push
Release
➠
Beep
Beep
Beep
Beep
35
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SCAN OPERATION 6
■ Skip scan
D Skip channel/frequency setting
D Skip scan setting
[
You can set the selected memory channel as a skip channel
which is skipped during memory skip scan. In addition, it can
be set as a skip channel for both memory skip scan and fre-
quency skip scan. These are useful to speed up the scan in-
terval.
q Push the main band’s [VFO/MR•S.MW] once or twice to
select VFO mode.
w Push [SET•SKIP] to enter set mode.
e Push [SET•LOCK] or [ATT•PRIO] several times until
“PSC” appears.
6
[SET•SKIP]
q Select a memory channel.
➥ Push the main band’s [VFO/MR•S.MW] once or twice
to select memory mode, then rotate the same band’s
[DIAL] to select the desired memory channel to be a
skip channel.
[VFO/MR•S.MW]
[DIAL]
• “!” and memory channel number appear.
w Push and hold [SET•SKIP] for 1 sec. several times to set
the skip condition.
r Rotate the main band’s [DIAL] to toggle the skip scan
function ON and OFF.
• (no indication): The channel is scanned during scan.
• ~
: The channel is skipped during scan.
: The channel is skipped during scan and the pro-
grammed frequency is skipped during VFO scan,
such as programmed scan.
P
•
~
t Push any key for the main band to exit set mode.
y Then start the scan to activate the skip scan (memory skip
scan or frequency skip scan).
[SET•SKIP]
[VFO/MR•S.MW]
[DIAL]
The display shows that
memory channel 16 is
set as a skip channel.
36
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6
SCAN OPERATION
USING
SET MODE
■ Scan resume condition
The scan resume condition can be selected a timed timer or
pause scan. The selected resume condition is also used for
priority watch. (p. 38)
r Rotate the main band’s [DIAL] to set the desired timer:
• “SCP-2” : Scan pauses until the signal disappears and then
resumes 2 sec. later.
• “SCt-15” : Scan pauses 15 sec. while receiving a signal.
• “SCt-10” : Scan pauses 10 sec. while receiving a signal.
• “SCt-5”
: Scan pauses 5 sec. while receiving a signal.
The display shows that the
scan will resume 15 sec. after it
stops.
q Push [MAIN•AGC] (or [MAIN•NB]) to select the desired
[DIAL]
band (left or right) as the main band.
w Push [SET•SKIP
]
to enter set mode.
[SET•SKIP]
[MAIN•AGC]
[MAIN•NB]
e Push [SET•SKIP
]
or [ATT•PRIO] several times until “SCt”
or “SCP” appears.
[SET•SKIP]
[ATT•PRIO]
t Push any key for the main band to exit set mode.
37
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PRIORITY WATCH
7
1
■ Priority watch types
Priority watch checks for signals on the frequency every
5 sec. while operating on a VFO frequency or scanning. The
receiver has two priority watch types to suit your needs.
■ Priority watch operation
q Push the main band’s [VFO/MR•S.MW] once or twice to
select VFO mode; then set an operating frequency.
w Set the watched channel(s).
2
3
For memory channel watch:
Select the desired memory channel.
For memory scan watch:
4
The watch resumes according to the selected scan resume
condition. See (p. 37) for details.
5
Select memory mode, or the desired bank group; then,
push and hold [MODE•SCAN] for 1 sec. to start memory
scan or bank scan.
6
NOTE: If the pocket beep function is activated, the receiver
automatically selects the tone/DTCS squelch function
when priority watch starts.
7
e Push and hold [ATT•PRIO] for 1 sec. to start the watch.
• The receiver checks the memory/bank channel(s) every 5 sec.
• The watch resumes according to the selected scan resume con-
dition. (p. 37)
8
9
MEMORY CHANNEL WATCH
While operating on a VFO fre-
quency, priority watch checks for
a signal on the selected memory
channel every 5 sec.
5 sec.
10
11
12
13
14
15
16
• While the watch is paused, pushing and holding [ATT•PRIO] for
1 sec. resumes the watch manually.
VFO
frequency
Memory
channel
r Push and hold [ATT•PRIO] for 1 sec. to stop the watch.
• A memory channel with skip infor-
mation can be watched.
[ATT•PRIO]
MEMORY SCAN WATCH
While operating on a VFO fre-
quency, priority watch checks for
signals on each memory chan-
nel in sequence.
• The memory skip function and/or
memory bank scan is useful to
speed up the scan.
5 sec.
Mch 000
SKIP Mch 001
Mch 001
VFO
frequency
“PRIO” appears
Mch 999
38
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POCKET BEEP AND TONE SQUELCH
8
■ Pocket beep operation
This function uses subaudible tones for calling and can be
used as a “common pager” to inform you that someone has
called while you were away from the receiver.
t When operating the pocket beep function with DTCS code
squelch, push [SET•SKIP] once then rotate the main
band’s [DIAL] to select the DTCS polarity.
D Waiting for a call from a specific station
q Set the operating frequency in FM mode.
w Push [SET•SKIP
]
to enter set mode in the main band.
DTCS polarity setting
[SET•SKIP]
y Push any key for the main band to exit set mode.
u Push and hold [MONI•T/T-SCAN] for 1 sec. to enter tone
squelch selection mode, then rotate the main band’s
[DIAL] until “S ” or “ S” appears to turn the
pocket beep function ON with tone squelch or DTCS
squelch, respectively.
[ATT•PRIO]
e Push [SET•SKIP
]
or [ATT•PRIO] several times until “Ct”
(when selecting the tone squelch) or “dt”(when selecting
the DTCS squelch) appears.
[DIAL]
[MONI•T/T-SCAN]
Tone squelch frequency setting DTCS code setting
r Rotate the main band’s [DIAL] to select the desired tone
frequency or DTCS code.
Appears when the pocket beep Appears when the pocket beep
with tone squelch is turned ON. with DTCS squelch is turned ON.
[DIAL]
39
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POCKET BEEP AND TONE SQUELCH 8
1
2
i Push any key for the main band or any of the shared keys
below the display to exit tone squelch selection mode.
D Available tone frequency list
67.0 79.7 097.4 118.8 146.2 167.9 186.2 206.5 241.8
69.3 82.5 100.0 123.0 151.4 171.3 189.9 210.7 250.3
71.0 85.4 103.5 127.3 156.7 173.8 192.8 218.1 254.1
71.9 88.5 107.2 131.8 159.8 177.3 196.6 225.7
74.4 91.5 110.9 136.5 162.2 179.9 199.5 229.1
77.0 94.8 114.8 141.3 165.5 183.5 203.5 233.6
3
4
5
6
Appears when the pocket beep Appears when the pocket beep
7
with tone squelch is activated.
with DTCS squelch is activated.
NOTE: The receiver has 51 tone frequencies and conse-
quently their spacing is narrow compared to units having
38 tones. Therefore, some tone frequencies may receive
interference from adjacent tone frequencies.
8
o When a signal with a matching tone is received, the re-
ceiver emits beep tones and blinks “S.”
9
• Beep tones sound for 30 sec. and “S” blinks. To stop the
beeps and blinking manually, push any key.
10
11
12
13
14
15
16
D Available DTCS code list
023
025
026
031
032
036
043
047
051
053
054
065
071
072
073
074
114
115
116
122
125
131
132
134
143
145
152
155
156
162
165
172
174
205
212
223
225
226
243
244
245
246
251
252
255
261
263
265
266
271
274
306
311
315
325
331
332
343
346
351
356
364
365
371
411
412
413
423
431
432
445
446
452
454
455
462
464
465
466
503
506
516
523
526
532
546
565
606
612
624
627
631
632
654
662
664
703
712
723
731
732
734
743
754
! Push and hold [MONI•T/T-SCAN] for 1 sec. to enter tone
squelch selection mode, then rotate the main band’s
[DIAL] to cancel the tone squelch or DTCS squelch func-
tion.
• “oFF” is selected for turning the function OFF.
D Calling a waiting station using pocket beep
A subaudible tone matched with the station’s CTCSS tone fre-
quency or 3-digit DTCS code with the correct polarity is nec-
essary. Use the tone squelch on the next page (p. 41).
40
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8
POCKET BEEP AND TONE SQUELCH
■ Tone/DTCS squelch operation
The tone or DTCS squelch opens only when receiving a sig-
nal with the same pre-programmed subaudible tone or DTCS
code. You can silently wait for a signal using the same tone.
r When a signal with a matching tone is received, the
squelch opens and the receiver emits audio.
• When the received signal includes an unmatched tone, the
squelch does not open. However, the S-meter indicator shows
the received signal strength.
q Set the operating frequency in FM mode.
• Push [MAIN] to select the desired band (left or right) as the main
band in advance.
w Program the CTCSS tone frequency or DTCS code in set
mode. (p. 39)
• To open the squelch manually, push [MONI•T/T-SCAN].
t To cancel the tone squelch or DTCS squelch function, re-
peat steps e until “OFF” appears, then push any key.
e Push and hold [MONI•T/T-SCAN] for 1 sec. to enter
tone squelch selection mode, then rotate the main band’s
[DIAL] until “ ” or “ ” appears in the function display.
D Reverse action for tone or DTCS squelch
➥ Enter tone squelch selection mode as described in steps
q to e as shown left, then rotate the main band’s [DIAL]
to select either reverse action for the tone or DTCS
squelch as below.
Tone OFF setting
for Tone squelch
for DTCS
How does the Reverse action work?
When the reverse action is selected for either the tone
squelch, “tSqL-r,” or DTCS squelch, “dtCS-r,” and a signal
with the matched tone (or DTCS) is received, the squelch
closes, and the receiver mutes the signal. You can listen to
signals with any tone other than the specified tone.
Tone squelch setting
DTCS setting
41
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POCKET BEEP AND TONE SQUELCH 8
■ Tone scan
By monitoring a signal using with pocket beep, tone or DTCS
squelch, you can determine the tone frequency or DTCS
code necessary to open the squelch.
r When the CTCSS tone frequency or 3-digit DTCS code is
matched, the squelch opens and the tone frequency is
temporarily programmed into the VFO or memory channel.
• The tone scan pauses when a CTCSS tone frequency or 3-digit
DTCS code is detected.
q Set the desired operating frequency or memory channel to
be checked for a tone frequency or code.
• Push [MAIN] to select the desired band (left or right) as the main
band in advance.
• The decoded CTCSS tone frequency or 3-digit DTCS code is
used for the tone decoder depending on the selected tone con-
dition or type in step w.
- “
”
: CTCSS tone decoder
w Push and hold [MONI•T/T-SCAN] for 1 sec and rotate the
main band’s [DIAL] to select the tone type, tone squelch or
DTCS, to be scanned.
- “ ” : DTCS tone decoder
8
t Or push any key for the main band or any of the shared
keys below the display to stop the scan.
• Either “ ” or “ ” appears.
e Push and hold [MONI•T/T-SCAN] for 1 sec. to start the
tone scan.
NOTE: The decoded tone frequency is programmed tem-
porarily when a memory is selected. However, this will be
replaced by the programmed information when the mem-
ory channel is re-selected.
• To change the scanning direction, rotate the main band’s [DIAL].
[MONI•T/T-SCAN]
During CTCSS frequency scan
During DTCS code scan
42
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DIGITAL MODE OPERATION
UT-118 or UT-122’s installation is described in the IC-PCR2500’s Instruction manual. See the installation details.
9
■ Digital mode operation
■ Pocket beep operation
The IC-R2500 can operate in DV*1 mode or P25*2 mode
when the optional UT-118 or UT-122 is installed.
*1: The optional UT-118 is required.
This function uses digital code/call sign for calling and can be
used as a “common pager” to inform you that someone has
called while you were away from the receiver. The digital
code or digital call sign squelch does not function during low-
speed data communication in DV mode.
*2: The optional UT-122 is required.
Some versions come with the UT-122 installed.
qSelect the left band as the main band.
➥ Push [MAIN•AGC] once to select left band, if necessary.
w Set the operating frequency in digital mode.
D Waiting for a call from a specific station
qSelect the left band as the main band.
➥ Push [MAIN•AGC] once to select left band, if necessary.
w Set the operating frequency in DV (P25) mode.
e Program the digital code or call sign in set mode.
e Push [MODE•SCAN] to enter receive mode select mode.
[MAIN•AGC]
➥ Push [SET•SKIP
]
to enter set mode.
[MODE•SCAN]
[SET•SKIP]
[ATT•PRIO]
[DIAL]
rRotate left band’s [DIAL] to select the desired digital mode.
➥ Push [SET•SKIP] or [ATT•PRIO] several times until
“OPt” appears, then rotate left band’s [DIAL] to select
“On.”
➥ Push [SET•SKIP
]
or [ATT•PRIO] several times until de-
sired item appears.
• “CAL” when programming the calls sign for the digital call sign
squelch in DV mode.
• “dCd” when programming the digital code squelch in DV
mode.
• “nA” when programming the NAC code for the digital NAC
squelch in P25 mode.
tPush any key to exit receive mode select mode.
• “t1” and “U1” when programming the TGID and Unit ID for the
digital selective squelch.
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43
DIGITAL MODE OPERATION 9
1
2
r Rotate the left band’s [DIAL] to select the desired call sign
or code.
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
• DV mode operation
3
4
[MONI•T/T-SCAN]
5
[DIAL]
6
Appears when the pocket
beep with digital call sign
squelch is turned ON.
Appears when the pocket
beep with digital code
squelch is turned ON.
[MODE•SCAN]
7
t Push any key for the main band to exit set mode.
y Push and hold [MONI•T/T-SCAN] for 1 sec. to enter tone
squelch selection mode, then rotate left band’s [DIAL] until
8
9
• P25 mode operation
“
S” or “S ” appears to turn the pocket beep func-
10
11
12
13
14
15
16
tion ON with digital call sign squelch or digital code
squelch for DV mode (digital NAC squelch or digital selec-
tive squelch for P25 mode), respectively.
Appears when the pocket
beep with digital Selective
squelch is turned ON.
Appears when the pocket
beep with digital NAC
squelch is turned ON.
[DIAL]
[MONI•T/T-SCAN]
44
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9
DIGITAL MODE OPERATION
■ Digital squelch operation
While in DV mode operation, the digital call sign (DSQL) or
digital code squelch opens only when receiving a voice signal
with the same pre-programmed digital call sign or code, re-
spectively.
u Push any key for the main band or any of the shared keys
below the display to exit tone squelch selection mode.
While in P25 mode operation, 2 types of digital squelch, NAC
or Selective, are available.
Appears when the pocket
beep is activated.
Appears when the pocket
beep is activated.
qSelect the left band as the main band.
➥ Push [MAIN•AGC] once to select left band, if necessary.
w Set the operating frequency in DV (P25) mode.
e Program the digital code or call sign in set mode.
DV: with digital call sign squelch
P25: with digital selective squelch P25: with digital NAC squelch
DV: with digital code squelch
➥ Push [SET•SKIP
]
to enter set mode .
i When a signal with a matching code/call sign is received,
the receiver emits beep tones and blinks “S”.
• Beep tones sound for 30 sec. and “S” blinks. To stop the
beeps and blinking manually, push any key.
[SET•SKIP]
[ATT•PRIO]
➥ Push [SET•SKIP] or [ATT•PRIO] several times until
“OPt” appears, then rotate left band’s [DIAL] to select
“On.”
➥ Push [SET•SKIP
]
or [ATT•PRIO] several times until de-
o Push and hold [MONI•T/T-SCAN] for 1 sec. to enter tone
squelch selection mode, then rotate left band’s [DIAL] to
cancel the digital squelch function.
sired item appears.
• “CAL” when programming the calls sign for the digital call sign
squelch in DV mode.
• “dCd” when programming the digital code squelch in DV
mode.
• “oFF” is selected for turning the function OFF.
• “nA” when programming the NAC code for the digital NAC
squelch in P25 mode.
• “t1” and “U1” when programming the TGID and Unit ID for the
digital selective squelch.
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45
DIGITAL MODE OPERATION 9
1
2
r Rotate the left band’s [DIAL] to select the desired call sign
or code.
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
3
4
[MONI•T/T-SCAN]
Digital squelch OFF
5
• DV mode operation
[DIAL]
6
[MODE•SCAN]
7
t Push any key for the main band to exit set mode.
y Push and hold [MONI•T/T-SCAN] for 1 sec. to enter tone
squelch selection mode, then rotate left band’s [DIAL] until
“ ” or “ ” appears in the function display.
8
9
Digital call sign squelch
Digital code squelch
Digital NAC squelch
• P25 mode operation
10
11
12
13
14
15
16
[DIAL]
Digital selective squelch
[MONI•T/T-SCAN]
u When a signal with the matched code/call sign is received,
the squelch opens and the receiver emits audio.
• When the received signal includes an unmatched code /call sign,
the squelch does not open. However, the S-meter indicator
shows the received signal strength.
• To open the squelch manually, push [MONI•T/T-SCAN].
i To cancel the digital squelch function, repeat steps e until
“OFF” appears, then push any key.
46
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9
DIGITAL MODE OPERATION
■ Call sign programming (for DV mode)
[
Sets your own call sign for digital call sign squelch operation.
Up to 8 characters are programmable.
r Rotate main band’s [DIAL] to select the desired character
or code.
• Push [MODE•SCAN] or [MONI•T/T-SCAN] to move the cursor
to right or left, respectively.
q Push [SET•SKIP] to enter set mode.
w Push [SET•SKIP] or [ATT•PRIO] several times until “OPt”
appears, then rotate main band’s [DIAL] to select “On.”
t Push [MODE•SCAN] to select 2nd digit, then rotate main
band’s [DIAL] to select the desired character or code.
• 2nd digit blinks (1st digit stop blinking).
[SET•SKIP]
• Repeat this step for programming your own call sign.
[VFO/MR•S.MW]
[DIAL]
y Push any key for the main band to exit set mode.
e Push [SET•SKIP] or [ATT•PRIO] several times until “CAL
”
appears.
• The 1st digit blinks.
If the wrong call sign or code is programmed, the digital
squelch will not open. Please make sure of the correct call
sign or code before programming.
47
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DIGITAL MODE OPERATION 9
1
■ ID code programming (for P25 mode)
[
2
Sets the desired NAC code for P25 digital (NAC) squelch or
TGID/Unit ID for P25 digital (Selective) squelch operation.
t Push [MODE•SCAN] to select 2nd digit, then rotate main
band’s [DIAL] to select the desired code.
• 2nd digit blinks (1st digit stop blinking).
• Repeat this step for programming your NAC code.
y Push [SET•SKIP] or [ATT•PRIO] several times until “t1”
appears.
3
q Push [SET•SKIP] to enter set mode.
w Push [SET•SKIP] or [ATT•PRIO] several times until “OPt”
appears, then rotate main band’s [DIAL] to select “On.”
4
5
• The 1st digit blinks.
• TGID code is selectable from 0–65535.
[SET•SKIP]
6
[VFO/MR•S.MW]
7
8
[DIAL]
9
10
11
12
13
14
15
16
u Repeat step r and t to program the TGID code.
i Push [SET•SKIP] or [ATT•PRIO] several times until “U1
”
appears.
• The 1st digit blinks.
• Unit ID code is selectable from 1–9999999.
e Push [SET•SKIP] or [ATT•PRIO] several times until “nA
appears.
”
• The 1st digit blinks.
• NAC code is selectable from 0–FFF.
o Repeat step r and t to program the Unit ID code.
! Push any key for the main band to exit set mode.
r Rotate main band’s [DIAL] to select the desired code.
• Push [MODE•SCAN] or [MONI•T/T-SCAN] to move the cursor
to right or left, respectively.
48
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SET MODE
10
■ General
• Set mode operation
q Push the desired band’s [MAIN] to select the main band.
r Rotate the main band’s [DIAL] to select the condition or
value.
w Push [SET•SKIP to enter set mode.
]
e Push [SET•SKIP] or [ATT•PRIO] to select the desired
t Push any key for main band or or any of the shared keys
below the display to exit set mode.
item.
■ Set mode items
• Key-touch beep
• Beep output level
• Auto power OFF
• Display dimmer
• Display color
SET
SKIP
: Push
• Display contrast
ATT
• Rx TGID indication
• Unit ID setting
• Rx Unit ID indication
PRIO
: Push
*1Available for USA/CANADA versions only.
*2Appears while in FM mode only.
*3Appears while in SSB/CW mode only.
*4Appears when the UT-106 is selected.
*5Appears when the UT-118 or UT-122 is installed.
• Auto Rx ID display
†Appears when accessing set mode from VFO mode only.
‡Appears when accessing set mode from memory mode only.
• TGID setting
• NAC code setting
• P25 unit power setting
Set mode items
for DV mode
are described
on ((page 51)).
These items appear
when the UT-122 is
installed, and Optional
items setting is ON.
49
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SET MODE 10
• TSQL frequency
• Offset frequency
• Duplex direction
• DTCS code
• DTCS polarity
• VSC function
• Scan resume timer
1
2
3
FM/AM/SSB/CW mode only
• Bank link function‡
4
Memory mode only
• Memory name‡
5
Bank link-On
6
7
8
FM mode only
• AFC function*2
VFO mode only
• Program skip†
• Scan skip area†
9
10
11
12
13
14
15
16
USA/CANADA versions only
• Weather alert*1
SSB/CW mode only
• IF shift*3
• IF filter
When the UT-106 is installed
• NR function*4 • ANF function*4
• Optional items setting*5
• Squelch delay
• Sub band setting
50
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10 SET MODE
D
Set mode items for DV mode
• DV unit power setting
• Call sign setting
• Digital code
• Data speed
• Standby beep
These items appear when the UT-118 is installed, and Optional items setting is ON.
SET
SKIP
: Push
• Rx Call sign display
• Digital monitor
ATT
PRIO
: Push
Return to set mode ((p. 49))
• Rx message display
• Rx Call sign
• Rx RPT1 call sign
• GPS message
• Rx Position
• Rx Call sign with message • Rx message
• Rx RPT2 call sign
51
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SET MODE 10
D
D
Key-touch beep
Auto power OFF
The key-touch beep can be turned OFF for silent operation.
(default: ON)
The receiver can be set to automatically turn OFF with a beep
after a specified period during which no key operations are
performed.
30 min., 1 hour, 2 hours and OFF can be specified. The spec-
ified period is retained even when the receiver is turned OFF
by the auto power OFF function. To cancel the function, select
“OF” for this item in set mode.
(default: OFF)
Even when this item is set to OFF, the power-on beep and
pocket beep function still sound. The power-on beep can
not be set to OFF.
D
Beep output level
10
Adust the beep level from 1 to 9 for key-touch beep, power-on
beep and pocket beep function. (default: 5)
When the previous set mode item “bEP” is set to OFF, this
setting level does not affect key-touch.
D
Display dimmer
Adjust the display lighting level.
The levels 1 (dark) to 4 (bright: default) are available.
52
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10 SET MODE
D
D
Display color
The display color can be set to amber (default) or green.
Duplex direction
Sets the duplex direction. The displayed frequency shifts by
the programmed offset frequency (see next item) when mon-
itor function is in use (pushing [MONI•T/T-SCAN]).
• OFF : Simplex operation. (default)
• DUP– : The displayed frequency shifts down during mon-
itor.
• DUP+ : The displayed frequency shifts up during monitor.
Amber setting
Green setting
D
Display contrast
The LCD contrast can be adjusted through 9 levels.
(default: 5)
D
Offset frequency
Sets the duplex offset frequency for each frequency band in-
dependently within a 0 to 1000 MHz range. During duplex op-
eration (DUP– or DUP+), the monitoring frequency (pushing
[MONI•T/T-SCAN]) shifts by the offset frequency.
The default value may differ according to the selected fre-
quency band (before accessing set mode) and receiver version.
The selected tuning step in VFO mode is used for setting
the offset frequency.
53
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SET MODE 10
D
D
Tone frequency
DTCS code
1
Sets subaudible tone frequency for tone squelch operation.
Total of 51 tone frequencies (67.0–254.1 Hz) are available.
(default: 88.5 Hz)
Sets DTCS code for DTCS squelch operation. Total of 104
2
codes (023–754) are available.
(default: 023)
3
4
5
6
• Available DTCS code list
7
• Available tone frequency list
023
025
026
031
032
036
043
047
051
053
054
065
071
072
073
074
114
115
116
122
125
131
132
134
143
145
152
155
156
162
165
172
174
205
212
223
225
226
243
244
245
246
251
252
255
261
263
265
266
271
274
306
311
315
325
331
332
343
346
351
356
364
365
371
411
412
413
423
431
432
445
446
452
454
455
462
464
465
466
503
506
516
523
526
532
546
565
606
612
624
627
631
632
654
662
664
703
712
723
731
732
734
743
754
8
67.0 79.7 097.4 118.8 146.2 167.9 186.2 206.5 241.8
69.3 82.5 100.0 123.0 151.4 171.3 189.9 210.7 250.3
71.0 85.4 103.5 127.3 156.7 173.8 192.8 218.1 254.1
71.9 88.5 107.2 131.8 159.8 177.3 196.6 225.7
74.4 91.5 110.9 136.5 162.2 179.9 199.5 229.1
77.0 94.8 114.8 141.3 165.5 183.5 203.5 233.6
9
10
11
12
13
14
15
16
D
DTCS polarity
Selects DTCS polarities from n (normal) and r (reverse).
(default: n)
normal (default)
reverse
54
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10 SET MODE
D
D
VSC setting
Program scan skip setting
Turns VSC (Voice Squelch Control) ON and OFF.
(default: OFF)
Sets the program scan skip setting ON and OFF for VFO
scan operation, such as programmed scan. (default: ON)
This item appears when set mode is accessed from VFO
mode only.
D
Scan resume timer
Selects scan resume timer from SCT-15 (default), SCT-10,
SCT-5 and SCP-2. Scan resumes after the specified period
when the received signal disappears.
D
Scan skip area setting
Sets the pre-programmed scan skip area setting ON and OFF
for VFO scan operation, such as programmed scan.
This item appears only when the scan skip area setting is pro-
grammed by cloning (p. 66) and set mode is accessed from
VFO mode.
• SCT-15/10/5 : Scan pauses for 15/10/5 sec. when the
received signal disappears.
• SCP-2
: Scan pauses on a signal until signal dis-
appears, then resumes 2 sec. after the
signal disappears.
55
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SET MODE 10
D
Memory name setting
1
• Bank link setting
q Rotate main band’s [DIAL] to select the memory bank link
function ON.
w Push and hold [SET•SKIP] or [ATT•PRIO] for 1 sec. to
enter bank link setting mode.
Sets memory name appearance ON (appear) and OFF (does
not appear; default).
This item appears when set mode is accessed from memory
mode only.
2
3
4
e Push [SET•SKIP] or [ATT•PRIO] to select the desired
bank to be linked.
5
6
• A : Bank A
• E : Bank E
• J : Bank J
• n : Bank N
• R : Bank R
• y : Bank Y
• b : Bank B
• F : Bank F
• k : Bank K
• o : Bank O
• t : Bank T
• C : Bank C
• G : Bank G
• L : Bank L
• P : Bank P
• U : Bank U
• d : Bank D
• H : Bank H
• m: Bank M
• q : Bank Q
• W: Bank W
7
8
D
Memory bank link function
9
Sets the memory bank link function ON and OFF (default).
The link function provides continuous banks scan, that scans
all contents in the selected banks during bank scan.
This item appears when set mode is accessed from memory
mode only.
10
11
12
13
14
15
16
Bank A: ON
Bank A: OFF
r Rotate the main band’s [DIAL] to select “On (default)” to
linking the bank.
t Repeat steps e and r to set the link condition.
y Push any key for the main band to return to set mode.
56
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10 SET MODE
D
D
AFC setting
IF shift frequency setting
Select the IF shift frequency up to ±25 steps (in 1 step: 50
Turns AFC (Automatic Frequency Control) function ON and
OFF. (default: OFF)
Hz).
This item appears when the receive mode is selected SSB or
CW mode only.
D
Filter setting
Center position (default)
Highest
Select the IF filter passband width from 3, 6, 15, 50 and 230
kHz (depending on the selected mode.)
D
Sub band setting
Turns the sub band setting ON and OFF.
• On : Dualwatch operation. (default)
• OF : Single band operation or diversity operation.
D
Weather alert function
U.S.A./CANADA versions only
Turns weather alert function ON and OFF.
57
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SET MODE 10
D
D
Squelch delay
NR setting
1
Selects squelch delay to short or long to prevent repeated
opening and closing of the squelch during reception of the
same signal.
Selects NR (Noise Reduction) level from 1 to 15 and OFF
(default).
The NR function enhances desired signals in the presence of
noise by using the DSP circuit. The amount of enhancement
is adjustable.
2
3
• S
• L
: Short squelch delay.
: Long squelch delay.
4
The NR level can result in audio signal masking. Set the
noise reduction level for maximum readability.
☞This item appears when optional UT-106 is installed.
5
6
7
Short setting
Long setting
8
9
D
ANF setting
10
11
12
13
14
15
16
Turns ANF (Automatic Notch Filter) function ON and OFF.
The ANF function automatically attenuates up to 3 beat tones,
tuning signals, etc. even if their frequency varies. The ANF
function can be used in SSB, AM, FM and WFM modes.
☞This item appears when optional UT-106 is installed.
D
Optional (digital) items indication
Turns expanded set mode for digital operation ON and OFF.
☞This item appears when optional UT-118 or UT-122 is
installed.
• OF : Digital items are not displayed in set mode.
(default)
• On
: Digital items are displayed in set mode.
58
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10 SET MODE
D
D
DV unit power setting
Digital code setting
Selects the DV unit (UT-118) power setting from Auto and
ON.
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
Sets the desired digital code for digital code squelch opera-
tion. Total of 100 codes (00–99) are available. (default: 00)
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
• At
: DV unit is turned ON automatically when digital
mode is selected. (default)
• On
: DV unit is turned ON when the receiver is pow-
ered ON.
D
Data speed setting
Sets the low-speed data communication speed between the
receiver Main unit and PC to 4800 bps or 9600 bps.
(default: 9600 bps)
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
D
Call sign setting
Sets your own call sign for digital call sign squelch operation.
Up to 8 characters are programmable.
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
• Rotate main band’s [DIAL] to select the desired character or code.
59
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SET MODE 10
D
D
Standby beep setting
Auto RX call sign display
1
Sets beep emission to ON or OFF when the receiving station
finishes transmission or the receiving signal disappears.
(default: ON)
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
When this setting is ON, transmitter’s call sign is displayed
automatically. (default: ON)
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
2
3
4
5
6
7
8
D
Auto RX message display
9
D
Digital monitor
When this setting is ON and the received signal includes a
message, the message is displayed automatically.
(default: ON)
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
This function is used to listen to an analog signal (FM mode
signal) without changing the receiving mode during DV mode
10
11
12
13
14
15
16
operation.
(default: Digital)
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
60
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10 SET MODE
D
D
RX call sign indication
RX RPT2 call sign indication
This item stores and indicates the newest received call sign.
The received call sign is cleared once the receiver is turned
OFF.
This item stores and indicates the newest received RPT2 call
sign. The received call sign is cleared once the receiver is
turned OFF.
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
Appears
Appears
(AAAAAA: Call sign example)
(CCCCCC: Call sign example)
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
D
D
RX RPT1 call sign indication
RX message indication
This item stores and indicates the newest received RPT1 call
sign. The received call sign is cleared once the receiver is
turned OFF.
This item stores and indicates the newest received message.
The received message is cleared once the receiver is turned
OFF.
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
Appears
Appears
(BBBBBB: Call sign example)
(HELLO: Message example)
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
61
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SET MODE 10
D
RX call sign with message indication
1
This item stores and indicates the newest received call sign
with message. The received call sign is cleared once the re-
ceiver is turned OFF.
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
2
3
MONI
4
T/T-SCAN
Push
Push
Minutes Seconds
North or South Degrees
MODE
SCAN
5
Appears
6
7
Minutes Seconds
East or West Degrees
(DDDDDD: Call sign example)
8
N
34° 37 ’ 177 ”
: Position information example
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
E 135° 32 ’ 290 ”
9
10
11
12
13
14
15
16
D
RX GPS message indication
D
RX position indication
When the transmitter sends position information with mes-
sage, this item stores and indicates the newest received GPS
message. The received GPS message is cleared once the re-
ceiver is turned OFF.
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
When the transmitter sends position information, this item
stores and indicates the newest received position information.
The received position information is cleared once the receiver
is turned OFF.
☞This item appears when optional UT-118 is installed
and Optional items setting (p. 58) is ON.
Appears
Appears
(N 34: Position information example)
(HELLO: Message example)
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to change the display
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
format.
62
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10 SET MODE
D
D
P25 unit power setting
TGID code setting
Selects the P25 unit (UT-122) power setting from Auto and
ON.
☞This item appears when optional UT-122 is installed
and Optional items setting (p. 58) is ON.
Sets the desired TGID code for P25 digital (Selective)
squelch operation. TGID code is selectable from 0–65535.
(default: 0)
☞This item appears when optional UT-122 is installed
and Optional items setting (p. 58) is ON.
• At
: P25 unit is turned ON automatically when digital
mode is selected. (default)
• On
: P25 unit is turned ON when the receiver is pow-
ered ON.
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
• Rotate main band’s [DIAL] to select the desired code.
D
Unit ID code setting
D
NAC code setting
Sets the desired Unit ID code for P25 digital (Selective)
squelch operation. Unit ID code is selectable from
Sets the desired NAC code for P25 digital (NAC) squelch op-
eration. NAC code is selectable from 0–FFF. (default: 000)
☞This item appears when optional UT-122 is installed
and Optional items setting (p. 58) is ON.
1–9999999.
(default: 1)
☞This item appears when optional UT-122 is installed
and Optional items setting (p. 58) is ON.
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
• Rotate main band’s [DIAL] to select the desired code.
• Push [MODE•SCAN] (or [MONI•T/T-SCAN]) to move the cursor.
• Rotate main band’s [DIAL] to select the desired code.
63
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SET MODE 10
D
D
Auto RX ID display
RX TGID indication
1
When this setting is ON, transmitter’s ID is displayed auto-
matically. (default: ON)
☞This item appears when optional UT-122 is installed
and Optional items setting (p. 58) is ON.
This item stores and indicates the newest received TGID. The
received ID is cleared once the receiver is turned OFF.
☞This item appears when optional UT-122 is installed
and Optional items setting (p. 58) is ON.
2
3
4
5
Appears
6
7
(10000: TGID example)
8
D
RX Unit ID indication
9
This item stores and indicates the newest received Unit ID.
The received ID is cleared once the receiver is turned OFF.
☞This item appears when optional UT-122 is installed
and Optional items setting (p. 58) is ON.
10
11
12
13
14
15
16
Appears
(1000001: Unit ID example)
64
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OTHER FUNCTIONS
UT-106 installation is described in the IC-PCR2500’s Instruction manual. See the installation details.
11
■ DSP operation (Optional UT-106 is required)
D
D
ANF function
[
NR function
[
The ANF (Automatic Notch Filter) function automatically at-
tenuates beat tones, tuning signals, etc., even if they’re fre-
quency changes. This function can be activated in SSB, AM,
FM modes.
The NR (Noise Reduction) function reduces noise compo-
nents and picks out desired signals which are buried in noise.
The received AF signals are converted to digital signals and
then the desired signals are separated from the noise. This
function is available for all operating modes.
q Select any of SSB, AM or FM mode in the desired band
(left or right).
w Push [SET•SKIP] to enter set mode.
e Push [SET•SKIP] or [ATT•PRIO] several times until “AnF”
appears.
q Select the desired band (left or right) as main band.
w Push [SET•SKIP] to enter set mode.
e Push [SET•SKIP] or [ATT•PRIO] several times until “nr”
appears.
[SET•SKIP]
[ATT•PRIO]
[SET•SKIP]
[ATT•PRIO]
[DIAL]
[DIAL]
r Rotate same band’s [DIAL] to toggle the ANF function ON
r Rotate same band’s [DIAL] to select the NR level from 1 to
and OFF.
15 or OFF.
t Push any key for main band to exit set mode.
t Push any key for main band to exit set mode.
65
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OTHER FUNCTIONS 11
1
■ DATA cloning (IC-PCR2500 control software must be installed)
2
Cloning allows you to quickly and easily transfer the pro-
grammed contents from a personal computer to a receiver
using the IC-PCR2500 control software.
D Available functions
➥ Reading or writing Clone data
3
➥ Programming memory channels/memory banks/scan
edges
➥ Programming set mode settings
4
D Cloning using a personal computer
5
Data can be cloned to and from a personal computer (Mi-
crosoft® Windows® XP/2000/Me/98SE) and other settings can
also be programmed from a PC. Consult the IC-PCR1500/IC-
PCR2500’s Instruction manual for cloning details.
➥ Transferring the data of PC (PCR2500) to receiver (R2500)
or receiver (R2500) to PC (PCR2500)
➥ Automatic mode settings
6
7
• The automatic mode setting automatically sets the receive
mode, IF filter passband width, tuning step, etc. after inputting
frequency ranges.
8
Main unit
9
➥ Skip area settings
10
11
12
13
14
15
16
• The skip area setting is available for skipping unwanted fre-
quency ranges that inconveniently stop scanning.
PC
USB cable
to ground
to AC adapter
to USB port
Microsoft and Windows are registered trademarks of Microsoft Corporation in
the U.S.A. and other countries.
66
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11 OTHER FUNCTIONS
AT POWER ON
AT POWER ON
■ Partial reset
■ All reset
If you want to initialize the operating conditions (VFO fre-
quency, VFO settings, set mode contents) without clearing
the memory contents, a partial reset function is available.
The function display may occasionally display erroneous in-
formation (e.g. when first applying power). This may be
caused externally by static electricity or by other factors.
➥ While pushing either band’s [VFO/MR•S.MW], turn the
If this problem occurs, turn power OFF. After waiting a few
seconds, turn power ON again. If the problem persists, per-
form the following procedure.
power ON to partially reset the both bands at same time.
• Partial resetting is also available. See left for details.
IMPORTANT!:
Resetting the receiver CLEARS all memory information
and initializes all values in the receiver to their default set-
tings.
[VFO/MR•S.MW]
[VFO/MR•S.MW]
➥ While pushing both band’s [MHz•TS], turn the power ON
to reset the CPU.
[MHz•TS]
[MHz•TS]
While pushing both [MHz•TS], turn power ON.
67
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OTHER FUNCTIONS 11
1
■ Internal audio switch
The internal switch must be set properly to use an external
speaker, headphones or earphone.
2
3
SPEAKER
switch
PHONES
CAUTION: DISCONNECT the AC adaptor or DC power
cable from the receiver Main unit before performing any
work on the receiver.
4
5
6
qTurn the receiver Main unit power OFF, then disconnect the
AC adaptor or DC power cable.
wUnscrew the 8 screws and disconnect the connected ca-
bles, then remove the top cover.
• Be careful not to lose the screws.
7
8
9
Top cover
10
11
12
13
14
15
16
Power switch
eSet the switch as shown at right.
• Set the switch to [SPEAKER] when an external speaker is con-
nected to the receiver. (default)
• Set the switch to [PHONES] when a headphones or earphone
are/is connected to the receiver.
rReplace the top cover, cables and screws to the original
position.
68
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TROUBLESHOOTING
12
If your receiver seems to be malfunctioning, please check the following points before sending it to a service center.
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
Does not turn on.
• The AC adapter is not fully seated in the power • Check the connection.
jack on the rear panel.
p. 1
No sound comes from the • Volume level is too low.
speaker. • Squelch level is set too high.
• Rotate [VOL] to obtain a suitable level.
• Rotate [SQL] to set the squelch level.
p. 14
p. 14
p. 41
• Selected tone or DTCS squelch does not match • Turn the appropriate function OFF.
received signal.
Sensitivity is low and only • Antenna feedline or the antenna connector has a • Check, and if necessary, replace the feedline or p. 1
strong signals are audible. poor contact or is short circuited.
• Attenuator function is activated.
reattach the antenna connector..
• Push [ATT•PRIO] to turn the Attenuator function p. 15
OFF.
Frequency cannot be • The lock function is activated.
changed.
• Push and hold [PWR•
ON to turn the function OFF.
] for 2 sec. after power p. 15
Program scan does not • The squelch is open.
• Set the squelch to the threshold point.
• Program different start and end frequencies.
p. 14
p. 35
operate.
• The start and end frequencies are the same.
Memory scan does not op- • The squelch is open.
• Set the squelch to the threshold point.
p. 14
erate.
• Only 1 memory channel is programmed or other • Program other memory channels or cancel the pgs. 24,
channels are set as skip channel.
memory skip function in the desired channels.
36
Receive audio is distorted. • The operating mode is not selected correctly.
• Push and hold [MODE•SCAN] for 1 sec., then ro- p. 13
tate [DIAL] to select suitable operating mode.
69
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DOC
13
1
2
DECLARATION
3
4
OF CONFORMITY
5
We Icom Inc. Japan
1-1-32, Kamiminami, Hirano-ku
Osaka 547-0003, Japan
6
7
Düsseldorf 24th Mar.2006
Place and date of issue
Declare on our sole responsibility that this equipment complies with the
essential requirements of the Radio and Telecommunications Terminal
Equipment Directive, 1999/5/EC, and that any applicable Essential Test
Suite measurements have been performed.
8
9
Icom (Europe) GmbH
Himmelgeister straße 100
D-40225 Düsseldorf
10
11
12
13
14
15
16
Kind of equipment:
COMMUNICATIONS RECEIVER
Authorized representative name
Type-designation: iPCR2500/R2500
H. Ikegami
General Manager
Version (where applicable):
This compliance is based on conformity with the following harmonised
standards, specifications or documents:
i) Article 3.1a
ii) Article 3.1b
iii) Article 3.2
iv)
EN 60950-1 (2001):A11:2004
EN 301489-1 and EN 301489-15
EN 301 783-2
Signature
v)
70
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MEMO
71
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MEMO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
72
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#02 Europe
<Intended Country of Use>
■ GER ■ FRA ■ ESP ■ SWE
■ AUT ■ NED ■ POR ■ DEN
■ GBR ■ BEL ■ ITA
■ FIN
■ IRL
■ LUX ■ GRE ■ SUI
■ NOR
#03 U.K.
<Intended Country of Use>
■ GER ■ FRA ■ ESP ■ SWE
■ AUT ■ NED ■ POR ■ DEN
■ GBR ■ BEL ■ ITA
■ FIN
■ IRL
■ LUX ■ GRE ■ SUI
■ NOR
#06 France
<Intended Country of Use>
■ GER ■ FRA ■ ESP ■ SWE
■ AUT ■ NED ■ POR ■ DEN
■ GBR ■ BEL ■ ITA
■ FIN
■ IRL
■ LUX ■ GRE ■ SUI
■ NOR
A-6510H-1EX-q
Printed in Japan
© 2006 Icom Inc.
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan
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