Pub. 988-0158-091
LHR-20
LHR-22
LHR-20/22
Operation Instructions
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Contents
Introduction ............................................................................................................................................ 4
Your radio has the following features: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety and Operational Information ........................................................................................................ 5
1. Charging and Installing the Li-ion Polymer Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2. Installing the Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3. Installing the Belt Clip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Using Your Radio ...................................................................................................................................... 9
1. Turning the Power On/Off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2. Adjusting Squelch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3. Transmitting and Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4. Accessing the 16/9 Priority Channels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5. Selecting Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6. Selecting High/Low Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7. Locking the Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8. Adding/Deleting Channels to/from Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
9. Accessing Channels Saved to Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10. Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
11. Using the WATCH Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
13. Weather Alert Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
14. Selecting U.S./International/Canadian Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
15. Resetting the Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
USA Marine Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Lowrance LHR-20/22 Operation Instructions
3
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Introduction
Congratulations on your purchase of this Lowrance handheld marine band VHF radio. Designed
for international operation, allows you to transmit and receive on all international channels in the
VHF marine band, as assigned by the International Union (ITU). The LHR-20/22 is approved with
commercial-grade standards to give you clear, reliable communication.
NOTE: According to WEEE regulations, the user should not dispose the product when damaged,
but rather send it back to Lowrance for disposal. Refer to How to Obtain Service section for
instructions to contact Lowrance.
This manual addresses both the LHR-20 and LHR-22 models. Both models function identically, only
the LHR-22 has a CAMO pattern and additional AA Battery tray is supplied.
Your radio has the following features:
Channel 16/9 Priority Key
Provide quick access to emergency channel 16, the universal and most frequently-used marine
channel, which is used for distress or safety communications. Pressing and holding the 16/9
channel key for 3 seconds allows quick and easy access to Channel 9. Channel 9 is an alternate
frequency for distress or safety in some areas in the event Channel 16 is congested.
PLL (Phase Lock Loop) Controlled Circuitry
Provides accurate and stable channel selection.
Squelch Adjustment
Help eliminate noise between transmissions.
Key Lock
Let’s you lock the keypad in order to prevent the controls from accidental pressing.
High/Low Power Selection
Let’s you save power by selecting a suitable transmitting power for long or short distances.
Battery Level Indicator
Indicates the battery pack condition.
Signal Strength indicator
Displays the relative strength of the RX and TX signals.
Supplied Battery Charger
Allows you to conveniently recharge your radio battery pack.
Backlight LCD Display
Allows you to operate the radio in a darkened environment.
Memory Channels
Let’s you store channels as memory channels.
WX/UIC Key
Allows you to select Weather Band, U.S. Channel Band, International Channel Band or Canadian
Channel Band. This key is also used to select Weather Alert ON/OFF.
DW/TRI key
Allows you to Dual Watch your current working channel and CH16 or Tri Watch adding CH9 to the
scan.
Camouflage pattern (LHR-22)
“REALTREE” Advantage HD
4
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Safety and Operational Information
CAUTION
Your hand-held marine VHF radio contains a low power transmitter. When the Push-To-Talk
(PTT) button is pushed, the radio will transmit a Radio Frequency (RF) signal.
!
WARNING
Never leave your radio in a closed car or trunk; the extremely high temperatures generated in
hot weather can damage the electronics.
Display
Your radio comes with a multifunctional display.
USA channel indicator
International channel indicator
Memory Mode indicator
Canada channel indicator (USA version)
Weather station indicator (USA version)
Receiving indicator
Transmiting indicator
Weather station alarm (USA version)
Memory Channel indicator
Low power transmit indicator
High power transmit indicator
Dual watch mode indicator
Tri-watch mode indicator
Battery level indicator
Priority channel indicator
Scan mode indicator
Signal level indicator
This channel can only receive
not transmit indicator
ATIS indicator (EU version)
Key lock indicator
This channel can only receive
and transmit by same frequency
Channel number
Signal Strength indicator
Battery Level indicator
Displays the relative strength of the RX and TX signals.
(Note: Test only when transmitting in HI Power Mode)
When TX is set to HI (High)
Fully charged - Normal operation
Normal operation
When TX is set to LO (Low)
Normal operation
Low battery - needs charging
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Function and Location of the Controls
SQL (squelch) Knob
Antenna
PWR/VOL Knob
Transmitting LED
PTT (Push To Talk)
Key
Speaker
Microphone
LCD Display
UP Key
MEM (Memory) Key
SCAN Key
Channel 16/9 Key
DW/TRI Watch Key
H/L/LOCK Key
WX/UIC Key
DOWN Key
6
Operation Instructions
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Before Using your Radio
Before using your radio, you should make the following preparations:
Carefully inspect the package contents for: the radio, battery pack, antenna, AC/DC wall adapter,
cradle charger, wrist strap, belt clip, and this manual (including product warranty).
1. Fully charge the Li-ion polymer battery pack for a minimum 3.5 hours and install it onto the
radio.
2. Install the antenna onto the radio.
3. Install the belt clip onto the radio.
1. Charging and Installing the Li-ion Polymer Battery Pack
Install the Li-ion polymer battery pack onto the radio:
Use a coin or screwdriver rotate the screw lock clockwise to lock the battery pack onto the radio.
(Coin)
You can either charge the Li-ion
polymer battery pack when it is
attached to the radio or separated:
1. Insert the adapter plug into the
cradle charger unit;
2. Connect the AC wall adapter into a
standard wall jack;
3. Insert the battery pack or the radio
with the battery tray attached into
the cradle charger.
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The cradle charger indicator LED on the front of the charging lights when it is receiving voltage
from the AC adapter:
RED means the batteries are charging.
GREEN means the batteries are fully charged. You should charge the battery pack
for about 3.5 hours.
Attach the battery pack to the radio when it is finished charging.
CAUTION
Remember to remove the radio after about 3-4 hours of charging time on the charger to
maximize battery life. Overcharging batteries may result in damage to both the battery pack
and radio.
2. Installing the Antenna
You will need to make sure that the flexible antenna is attached to the radio. Ensure the radio is
turned OFF anytime that the antenna is not connected.
Installing the antenna:
Rotate the antenna clockwise to fasten securely to the threaded connector
on the top of the radio.
Note: Do not operate the radio or press PTT key without an antenna installed.
8
Operation Instructions
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3. Installing the Belt Clip
The belt clip supplied with your radio allows you to attach the radio to your belt. To install the belt
clip: slide the belt clip to the back of your radio, make sure that the fitting Groove is aligned.
Using Your Radio
You should familiarize yourself with the following operating procedures:
1.
Turning the unit on/off.
2.
Adjusting Squelch.
3.
Transmitting and receiving.
Accessing the 16/9 priority channels.
Selecting channels.
4.
5.
6.
Selecting high/low power.
Locking the keypad.
7.
8.
Adding channels to memory.
Scanning channels.
9.
10.
11.
12.
13.
14.
15.
Accessing channels saved to memory.
Using the WATCH modes.
Selecting a WX (weather) channel.
Weather Alert operation.
Selecting U.S./International/Canadian Band
Resetting the radio
1. Turning the Power On/Off
Use PWR/VOL knob to turn on the radio, once on, adjust the volume as well.
To turn on the radio:
1. Rotate the PWR/VOL knob to turn the radio on or off. The knob will make a “click” sound
when the radio is turned on. The last used channel will appear on the LCD display.
2. Once on, rotate the PWR/VOL knob further to adjust the volume.
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2. Adjusting Squelch
Squelch is used to eliminate static and background noise between transmissions, and allows silent
operation of the radio until a transmission is received. If Squelch is set too high, only the strongest
transmissions can be heard, and if it is set too low, intermittent static and noise may be heard.
Squelch is controlled by SQL knob located on the top of the radio.
To set Squelch:
1. Turn SQL knob fully counter-clockwise. You will hear a lot of static noise.
2. Then turn SQL knob clockwise slowely until the static noise stops, this is the correct position
for the SQL knob.
CAUTION
The user is advised to adjust the Squelch level depending on your movement and/or location.
Setting Squelch too high can cause weak signals (including weak distress calls) to be missed.
3. Transmitting and Receiving
Use PTT (Push-To-Talk) key to transmit (speak) on the selected channel.
To transmit and receive:
1. Press and hold PTT key, then speak about 3 to 4” away from the microphone. The “TX” icon
will appear on the LCD display while you are transmitting.
2. Release PTT key when finished speaking. The radio will change to listening mode.
3. For receiving, the PWR/VOL (volume) knob can be adjusted for the best listening audio
output from the speaker.
NOTE: Before transmitting, make sure the selected channel is not busy and is not designated
“receive only” (“B” icon showing) such as CH15. See the marine Channel charts for traffic type
information at the back of this manual.
4. Accessing the 16/9 Priority Channels
The Channel 16/9 Priority key allows you to access the emergency Coastguard channel 16 quickly;
pressing and holding this key also allows you to quickly access channel 9, which is an alternate
emergency channel in some areas.
To access the 16/9 channels:
1. Press Channel 16/9 Priority key to access channel 16.
2. To access the alternate channel 9 which is available in some areas, press and hold the Channel
16/9 priority key for 3 seconds, then release.
5. Selecting Channels
Use
or
(UP/DOWN) key to scroll through the available channels.
For a list of channels and their frequencies, see marine Channel charts at the back of this manual.
10
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To select a channel:
Use or (UP/DOWN) key to find a channel. Stop when you find the desired channel.
NOTE: Not all channel numbers are available in INT bands, see marine Channel charts at the back
of this manual.
6. Selecting High/Low Power
You must press and release H/L/LOCK key to toggle the transmit power between high and low.
Select high (High power transmit) for long-range communications, and select low (Low power
transmit) for short-range communications to save battery power.
To change the transmit power:
Press H/L/LOCK key to toggle between High and Low transmit power. When the radio is
operating at high power, the “HI” icon appears on the LCD display, and when operating at low
power, the “LO” icon appears on the LCD display. The H/L setting is applied to all the channels
in the channel bank. Anytime the priority CH 16 is selected, it will always be at HI power. For USA
operation, CH 13 and 67 are always low power initially and will go to high if the H/L key is held
down while transmitting.
7. Locking the Keypad
Use H/L/LOCK key to activate the Key Lock function in order to avoid accidental key press of the
radio keypad.
To lock and unlock the keypad:
1. To lock the keypad, press and hold the H/L/LOCK key until the “Key Lock” icon appears on
the LCD display.
2. To unlock the keypad, press and hold the H/L/LOCK key again until the “Key Lock” icon
disappears from the LCD display.
NOTE: Once Key Lock is turned on, pressing the keys will have no effect except for the PTT key,
which is not affected by Key Lock.
8. Adding/Deleting Channels to/from Memory
Your radio can store any channel (except WX channels). The stored channels are also the channels
scanned in the Memory Scan mode.
To add channels to memory:
1. During normal operating mode, use
for saving.
or
(UP/DOWN keys to select the desired channel
2. Press and hold MEM key for 3 seconds. The “M” (Memory Channel) icon will appear, indicating
that the current channel has been saved into memory. Any number of channels can be saved.
To delete channels from memory:
1. During normal operating mode, use
or
(UP/DOWN) keys to select the saved channel
you wish to delete. The “M” (Memory Channel) icon appears.
2. Press and hold MEM key for 3 seconds. The “M” (Memory Channel) icon disappears, and the
selected. The selected channel will be removed from the scan memory.
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9. Accessing Channels Saved to Memory
Once channels have been saved, you can easily access them by pressing the MEM key.
In Memory mode, only the channels saved in memory will be accessible using the Up or Down
Channel keys.
To access saved channels:
1. Press the MEM key. The “Memory Mode” icon (the “M” with the inverted triangle above
it) appears on the LCD along with “M” (Memory Channel) icon to indicate that you are in
MEMORY mode.
2. Use the
or
(UP/DOWN) keys to scan through the saved channels.
3. Press the MEM key again to regain access to all channels.
10. Scanning
Your radio comes with three scan options:
Normal Scan: If there are no channels in memory, the default is Normal Scan. In Normal Scan
mode, all channels in the channel bank set are scanned in sequence. After the last channel
number has been scanned, the cycle repeats.
Normal scan will automatically check for transmission on the channel being scanned. If a signal
is received, the scan stops on the channel and the “SCAN” icon (flashing) will appear on the LCD
display. If the signal is lost for five seconds or more, the radio resumes scanning.
Memory Scan: In Memory Scan mode, only the channels that have been saved in memory are
scanned in sequence. After the last saved channel number has been scanned, the cycle repeats.
Priority Scan: In Priority Scan mode, you can scan all channels while alternately scanning
Channel 16 to make sure that you don’t miss distress or emergency calls. The secondary priority
Channel 09 can be scanned only if entered as a MEM channel or in TRI-WATCH mode.
To activate scan modes:
1. Press SCAN key once when no channels are stored in memory to activate the Normal scan
function. The Scan icon will appear on the LCD display.
or...
2. Press SCAN key once when there is at least one channel in memory to activate the Memory
Scan function. The “M” (Memory Channel) and “SCAN” icons will appear on the LCD display.
or...
3. Press and hold SCAN key for 3 seconds to enter Priority Scan mode. The Priority Scan “P”
icon will appear on the LCD display just before the “SCAN” icon.
4. During any of the Scan modes, press the
or
(UP/DOWN) keys to change the scan
direction. Up key to scan the channel upward, Down key to scan the channel downward.
5. Press and release SCAN key to terminate Scan mode.
NOTE: During Scan mode, the WX/UIC, MEM, and DW/TRI Watch keys will not function and will
sound an error beep if pressed.
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11. Using the WATCH Modes
This radio is equipped with two types of monitor modes: Dual Watch and Tri Watch.
Dual Watch monitors the current working channel and Channel 16 alternately.
To activate and terminate Dual Watch mode:
1. Press and release DW/TRI Watch key to activate the Dual Watch mode. The “DU” icon will
appear on the LCD display.
2. Press and release DW/TRI Watch key again to terminate Dual Watch mode and return to the
previous working channel.
or...
3. Press and hold DW/TRI Watch key for 3 seconds to terminate Dual Watch mode and enter into
Tri Watch mode. The “TRI” icon will appear on the LCD display.
NOTE: During Dual Watch mode, SCAN, MEM, WX/UIC, and
or
(UP/DOWN) keys are
inactive and will sound an error beep if pressed.
Tri Watch watches Channel 16, Channel 9 and the current working channels.
To activate and terminate Tri Watch mode:
1. Press and hold DW/TRI Watch key for 3 seconds to activate the Tri Watch mode. The “TRI”
icon will appear on the LCD display.
2. Press and hold DW/TRI Watch key again for 3 seconds to terminate Tri Watch Mode and to
return to the previous working channel.
or...
3. Press and release DW/TRI Watch key to terminate Tri Watch mode and enter into Dual Watch
mode. The “DU” icon will appear on the LCD display.
NOTE: During Tri Watch mode, SCAN, MEM, WX/UIC and
or
(UP/DOWN) keys are inactive
and will sound an error beep when pressed.
12. Selecting a WX (weather) channel
1. Press and release the WX/UIC key to enter Weather mode. The “WX” icon will appear on the
LCD.
2. Press the UP or DOWN keys to select a WX channel - see marine Channel charts at the back of
this manual.
3. Press and release the WX/UIC key again to return to normal operation.
NOTE: During Weather mode, the PTT, H/L/LOCK, MEM and SCAN keys are inactive and an will
sound error beep when pressed.
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13. Weather Alert Operation
Your radio has the ability to watch the designated NOAA weather channel for storm alerts. To
activate, select the Wx channel to monitor by short press the WX/UIC key and then UP or DOWN.
Press and hold the WX/UIC key for 3 seconds. The “WX ALERT” icon appears. The radio now
automatically watches for the NOAA weather warning broadcast.
14. Selecting U.S./International/Canadian Band
When operating in U.S. waters, your radio should be set for the U.S. band; when operating in
Canadian waters, the radio should be set for the Canadian band; when operating in International
waters, the radio should be set for the International band.
To select a band:
To select a band, press and hold the WX/UIC key for 3 seconds, then release. The LCD will display
the “U”, “I” or “C” icon (for U.S., International, or Canadian). Continue to press and hold the WX/
UIC key for 3 seconds, then release until the LCD shows the desired band.
15. Resetting the Radio
You can reset any radio settings back to the factory default settings. Resetting the radio will:
Erase any channel(s) stored in memory.
Return to USA channels, if another channel bank is currently selected at the time of reset.
Return to USA channels, if another mode is currently selected at the time of reset.
Return power settings to their original state.
To reset the radio:
1. Turn the radio off by rotating PWR/VOL knob to the OFF position.
2. Simultaneously press and hold both SCAN and WX/UIC keys.
then...
3. Turn the radio on, continue to hold the SCAN and WX/UIC keys down for 3 seconds, then
release both keys.
Maintenance
To keep your radio functioning properly, follow these simple maintenance rules:
If your unit comes into contact with salt spray, simply wipe the affected surfaces with a soft
cloth dampened in fresh water.
When cleaning the LCD display protective lens, use a chamois and non-abrasive, mild cleaner.
Do not use a chemical glass cleaner on the lens as chemicals in the solution may cause
cracking in the lens.
Take care when cleaning dirt or grease on the lens to avoid scratching the lens.
Ensure the radio and battery are clean and dry after each use.
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Technical Specifications
Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .All U.S., Canadian and International Channels
10 NOAA Weather Channels
Channels Frequency Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phase Lock Loop
Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TX 156.025~157.425 MHz
RX 156.025~163.275 MHz
Antenna Impedance… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Ohm
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.4 VDC
°
°
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 C to +50 C
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (With 7.4V Battery Pack) 136 x 58 x 30.5mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (with 7.4V Battery Pack) 280g
Battery Pack. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1600mAh Li-ion
Battery Life: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >10 Hours (5-watt Power 5%: 5%: 90% ratio)
>13 Hours (1-watt Power 5%: 5%: 90% ratio)
CAMO pattern (LHR-22 only) . . . . . . . . . . . . . . . . . . . . . . . REAL TREE ADVANTAGE MAX-4 HD
Cradle Charger model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BC-1
TRANSMITTER
Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 or 5 Watts (Selectable)
Modulation Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FM
Hum and Noise Attenuation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40dB
Audio Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5%
Spurious Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.25μW
RECEIVER
Sensitivity at 12dB SINAD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3μV
Squelch Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Threshold –12dBμV(EMF)
Adjacent Channel Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65dB
Spurious Response Rejection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65dB
Intermodulation Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65dB
Audio Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250mW at 5% THD
NOTE: The above specifications are typical, and may vary between models. Specifications are
subject to change without notice.
Lowrance LHR-20/22 Operation Instructions
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Frequency Charts
International Marine Channels
CH
TX
(MHz)
RX
(MHz)
MODE TRAFFIC TYPE
SHIP SHIP
TO TO
SHIP SHORE
REMARK
01 156.050 160.650
02 156.100 160.700
03 156.150 160.750
04 156.200 160.800
05 156.250 160.850
06 156.300 156.300
07 156.350 160.950
08 156.400 156.400
09 156.450 156.450
10 156.500 156.500
11 156.550 156.550
12 156.600 156.600
13 156.650 156.650
14 156.700 156.700
15 156.750 156.750
16 156.800 156.800
17 156.850 156.850
18 156.900 161.500
19 156.950 161.550
20 157.000 161.600
21 157.050 161.650
22 157.100 161.700
23 157.150 161.750
24 157.200 161.800
25 157.250 161.850
26 157.300 161.900
27 157.350 161.950
28 157.400 162.000
60 156.025 160.625
61 156.075 160.675
62 156.125 160.725
63 156.175 160.775
64 156.225 160.825
65 156.275 160.875
D
D
D
D
D
S
Public Correspondence
No
No
No
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Public Correspondence
Public Correspondence
Port Operations
Port Operations, Selected VTS Areas
Inter-ship Safety
D
S
Port Operations
Yes
No
Commercial (inter-ship only)
Recreational Calling Channel
Commercial
S
Yes
Yes
Yes
Yes
No
S
S
Commercial, VTS in Selected Areas
Port Operations, Selected VTS Areas
S
S
Inter-ship Navigation Safety (bridge-to bridge) Yes
S
Port Operations, Selected VTS Areas
Port Operations
International Distress, Safety, and Calling
State Controlled
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
1
S
S
1W only
1
S
1W only
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
Port Operations
Commercial
Port Operations
Port Operations
Port Operations
Public Correspondence
Public Correspondence
Public Correspondence
Public Correspondence
Public Correspondence
Public Correspondence
Public Correspondence
Port Operations
Port Operations
Port Operations
Public Correspondence
Port Operations
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66 156.325 160.925
67 156.375 156.375
68 156.425 156.425
69 156.475 156.475
71 156.575 156.575
72 156.625 156.625
73 156.675 156.675
74 156.725 156.725
75 156.775 156.775
76 156.825 156.825
77 156.875 156.875
78 156.925 161.525
79 156.975 161.575
80 157.025 161.625
81 157.075 161.675
82 157.125 161.725
83 157.175 161.775
84 157.225 161.825
85 157.275 161.875
86 157.325 161.925
87 157.375 161.975
88 157.425 162.025
D
S
Port Operations
Commercial, bridge-to-bridge
Boat Operations, Recreational
Port Operations
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
S
No
S
Yes
Yes
No
S
Port Operations
S
Inter-ship
S
Port Operations
Yes
Yes
S
Port Operations
1
1
S
Port Operations
1W
1W
S
Port Operations
S
Inter-ship
Yes
No
No
No
No
No
No
No
No
No
No
No
No
D
D
D
D
D
D
D
D
D
D
D
Non-Commercial
Commercial
Commercial
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Port Operations
Port Operations
Public Correspondence
Public Correspondence
Public Correspondence
Public Correspondence
Public Correspondence
Public Correspondence
Special Notes on International Channel Usage
1
.
LOW POWER (1W) only.
2
.
LOW POWER (1W) initially. Override to HIGH POWER by holding down PTT, then holding down
the H/L key. HI is indicated in the display. Used normally in bridge-to-bridge communications.
Note: The INTERNATIONAL mode is not legal for use in U.S. or Canada waters.
KEY: S = Simplex operating channel; D = Duplex operating channel.
Lowrance LHR-20/22 Operation Instructions
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USA Marine Channels
CH
TX
(MHz)
RX
(MHz)
MODE TRAFFIC TYPE
SHIP
TO
SHIP
TO
REMARK
SHIP
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
SHORE
Yes
Yes
Yes
No
01A 156.050 156.050
03A 156.150 156.150
05A 156.250 156.250
06 156.300 156.300
07A 156.350 156.350
08 156.400 156.400
09 156.450 156.450
10 156.500 156.500
11 156.550 156.550
12 156.600 156.600
13 156.650 156.650
S
S
S
S
S
S
S
S
S
S
S
Port Operations, Selected VTS Areas
4
US Government, Coastguard
Port Operations, Selected VTS Areas
Inter-ship Safety
Commercial
Yes
No
Commercial (inter-ship only)
Recreational Calling Channel
Commercial
Yes
Yes
Yes
Yes
No
Commercial, VTS in Selected Areas
Port Operations, Selected VTS Areas
3
Inter-ship Navigation Safety (bridge-to bridge), Yes
1W with Power-up
1W
14 156.700 156.700
S
S
S
S
S
S
D
S
S
S
S
D
D
D
D
D
S
S
S
S
S
S
Port Operations, Selected VTS Areas
Environmental
Yes
Yes
2
15
---
156.750
------ ------
RX only
16 156.800 156.800
17 156.850 156.850
18A 156.900 156.900
19A 156.950 156.950
20 157.000 161.600
20A 157.000 157.000
21A 157.050 157.050
International Distress, Safety, and Calling
State Controlled
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
1
1W only
Commercial
Commercial
Port Operations, Canadian Coastguard
Port Operations
4
4
U.S. Government, Canadian Coastguard
Coastguard Liaison
22A 157.100
23A 157.150
157.100
157.150
U.S. Government, Coastguard
24 157.200 161.800
25 157.250 161.850
26 157.300 161.900
27 157.350 161.950
28 157.400 162.000
61A 156.075 156.075
63A 156.175 156.175
64A 156.225 156.225
65A 156.275 156.275
66A 156.325 156.325
67 156.375 156.375
Public Correspondence, Marine operator No
Public Correspondence, Marine operator No
Public Correspondence, Marine operator No
Public Correspondence, Marine operator No
Public Correspondence, Marine operator No
4
4
U.S. Government, Canadian Coastguard
Port Operations, VTS in Selected Areas
Yes
Yes
U.S. Government, Canadian Commercial Fishing Yes
Port Operations
Port Operations
Yes
Yes
3
Commercial, bridge-to-bridge, 1W with Power-up Yes
1W
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68 156.425 156.425
69 156.475 156.475
71 156.575 156.575
72 156.625 156.625
73 156.675 156.675
74 156.725 156.725
77 156.875 156.875
78A 156.925 156.925
79A 156.975 156.975
80A 157.025 157.025
81A 157.075 157.075
S
S
S
S
S
S
S
S
S
S
S
Boat Operations, Recreational
Boat Operations, Recreational
Boat Operations, Recreational
Boat Operations, Recreational
Port Operations
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Port Operations
1
Port Operations
1W only
Boat Operations, Recreational
Commercial
Yes
Yes
Yes
Commercial
4
U.S. Government, Environmental Protection
Agency Operations
4
4
82A 157.125
83A 157.175
157.125
157.175
S
U.S. Government, Canadian Coastguard
U.S. Government, Canadian Coastguard
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
S
84 157.225 161.825
85 157.275 161.875
86 157.325 161.925
87 157.375 161.975
88 157.425 162.025
88A 157.425 157.425
D
D
D
D
D
S
Public Correspondence, Marine Operator No
Public Correspondence, Marine Operator No
Public Correspondence, Marine Operator No
Public Correspondence, Marine Operator No
Public Correspondence, Marine Operator No
Commercial, Inter-ship Only
Yes
Special Notes on USA Channel Usage
1
2
3
.
.
.
LOW POWER (1 W) only.
Receive Only.
LOW POWER (1 W) initially. Override to HIGH POWER by holding down PTT, then holding down
the H/L key. HI is indicated in the display. Used normally in bridge-to-bridge communications.
4
5
.
.
Lightly shaded simplex channels 03A, 21A, 23A, 61A, 64A, 81A, 82A, and 83A cannot be lawfully
used in U.S. waters unless special authorization is obtained from the U.S. Coastguard. Not for
use by the general public.
The letter “A” illuminated by the channel number indicates the USA channel is simplex.
This same channel is always duplex when selecting International. There is no “A” reference for
International channels. The letter “B” is only used for some Canadian “Receive only” channels.
KEY: S = Simplex operating channel; D = Duplex operating channel.
Lowrance LHR-20/22 Operation Instructions
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Canadian Marine Channels
CH
TX
(MHz)
RX
(MHz)
MODE TRAFFIC TYPE
SHIP
TO
SHIP
TO
REMARK
SHIP
No
No
SHORE
Yes
Yes
Yes
Yes
Yes
No
01 156.050 160.650
02 156.100 160.700
03 156.150 160.750
04A 156.200 156.200
05A 156.250 156.250
06 156.300 156.300
07A 156.350 156.350
08 156.400 156.400
09 156.450 156.450
10 156.500 156.500
11 156.550 156.550
12 156.600 156.600
13 156.650 156.650
D
D
D
S
S
S
S
S
S
S
S
S
S
Public Correspondence
Public Correspondence
Public Correspondence
Canadian Coastguard, SAR
Port Operations, VTS in Selected Areas
Inter-ship Safety
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Commercial
Yes
No
Commercial (inter-ship only)
Recreational Calling Channel
Commercial
Yes
Yes
Yes
Yes
No
Commercial, VTS in Selected Areas
Port Operations, VTS in Selected Areas
3
Inter-ship Navigation Safety (bridge-to bridge) Yes
1W with power-up
1W
14 156.700 156.700
15 156.750 156.750
16 156.800 156.800
17 156.850 156.850
18A 156.900 156.900
19A 156.950 156.950
20 157.000 161.600
21 157.050 161.650
21A 157.050 157.050
S
Port Operations, VTS in Selected Areas
Commercial
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
1
S
1W only
S
International Distress, Safety, and Calling
State Controlled
1
S
1W only
S
Commercial
S
Canadian Coastguard
1
D
D
S
Canadian Coastguard
Port Operations
U.S. Government, Canadian Coastguard
Port Operations
1W only
21B
---
161.650
157.100
S
------ ------ RX only
22A 157.100
S
Canadian Coastguard Liaison
Public Correspondence
Public Correspondence
Public Correspondence
Public Correspondence
Yes
No
No
No
Yes
Yes
Yes
Yes
23 157.150 161.750
24 157.200 161.800
25 157.250 161.850
D
D
D
S
25B
---
161.850
------ ------ RX only
26 157.300 161.900
27 157.350 161.950
28 157.400 162.000
D
D
D
S
Public Correspondence
Public Correspondence
Public Correspondence
Public Correspondence
No
No
No
Yes
Yes
Yes
28B
---
162.000
------ ------ RX only
60 156.025 160.625
61A 156.075 156.075
62A 156.125 156.125
64 156.225 160.825
D
S
S
Public Correspondence
U.S. Government, Canadian Coastguard
Canadian Coastguard
No
Yes
Yes
No
Yes
Yes
Yes
Yes
4
D
Public Correspondence, Duplex
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4
1
64A 156.225 156.225
65A 156.275 156.275
66A 156.325 156.325
67 156.375 156.375
68 156.425 156.425
69 156.475 156.475
71 156.575 156.575
72 156.625 156.625
73 156.675 156.675
74 156.725 156.725
77 156.875 156.875
78A 156.925 156.925
79A 156.975 156.975
80A 157.025 157.025
81A 157.075 157.075
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
D
S
S
D
D
D
D
D
U.S. Government, Canadian Commercial Fishing Yes
Yes
Yes
Yes
No
Port Operations
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Port Operations
1W only
Commercial, SAR
Boat Operations, Recreational
Commercial Fishing Only
Boat Operations, Recreational
Inter-ship
No
Yes
Yes
No
Commercial Fishing Only
Commercial Fishing Only
Port Operations
Yes
Yes
Yes
No
1
1W only
Boat Operations, Recreational
Commercial
Yes
Yes
Yes
Yes
Yes
Yes
Commercial
4
4
U.S. Government Operations
U.S. Government, Canadian Coastguard
Canadian Coastguard
U.S. Government, Canadian Coastguard
Canadian Coastguard, RX Only
82A 157.125
157.125
83 157.175 161.775
4
83A 157.175
83B ---
157.175
161.775
------ ------
84 157.225 161.825
85 157.275 161.875
86 157.325 161.925
87 157.375 161.975
88 157.425 162.025
Public Correspondence, Marine Operator No
Public Correspondence, Marine Operator No
Public Correspondence, Marine Operator No
Public Correspondence, Marine Operator No
Public Correspondence, Marine Operator No
Yes
Yes
Yes
Yes
Yes
Special Notes on Canada Channel Usage
1
2
3
.
.
.
LOW POWER (1 W) only.
Receive Only.
LOW POWER (1 W) initially. Override to HIGH POWER by holding down PTT, then holding down
the H/L key. HI is indicated in the display. Used normally in bridge-to-bridge communications.
4
5
.
.
Lightly shaded simplex channels 21A, 23A, 61A, 64A, 81A, 82A, and 83A cannot be lawfully used
in Canada waters unless special authorization is obtained from the Canadian Coastguard. Not
for use by the general public.
The letter “A” illuminated by the channel number indicates the Canada channel is simplex. This
same channel is always duplex when selecting International. There is no “A” reference for
International channels. The letter “B” is only used for some Canadian “Receive only” channels.
Note: The CANADA mode is not legal to use in U.S. waters.
KEY: S = Simplex operating channel; D = Duplex operating channel.
Lowrance LHR-20/22 Operation Instructions
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WEATHER Channels
CH
RX
TRAFFIC TYPE
NAME
REMARK
(MHz)
WX01 162.550
WX02 162.400
WX03 162.475
WX04 162.425
WX05 162.450
WX06 162.500
WX07 162.525
WX08 161.650
WX09 161.775
WX10 163.275
NOAA Weather Channel
NOAA Weather Channel
NOAA Weather Channel
NOAA Weather Channel
NOAA Weather Channel
NOAA Weather Channel
NOAA Weather Channel
CANADIAN Weather Channel
CANADIAN Weather Channel
NOAA Weather Channel
NOAA WX
NOAA WX
NOAA WX
NOAA WX
NOAA WX
NOAA WX
NOAA WX
CANADA WX
CANADA WX
NOAA WX
RX only
RX only
RX only
RX only
RX only
RX only
RX only
RX only
RX only
RX only
22
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FCC Compliance
Note:
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there
is no guarantee that interference will not occur in a particular installation. If this equipment
does cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
•
Consult the factory customer service department for help.
Marine VHF Radio use on Land:
You should consider acquiring a special license, called a marine utility station license, to
operate a hand-held marine radio from land -- a ship station license IS NOT sufficient. You may
apply for this license by filing FCC Form 601 with the FCC. Refer to the FCC web site (http://
We recommend you record your radio’s serial number here. This number is on
the radio rear panel, underneath the battery pack:
Serial Number:
Date Purchased:
Lowrance LHR-20/22 Operation Instructions
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NAVICO
FULL TWO-YEAR LOWRANCE VHF WARRANTY
“We,” “our,” or “us” refers to NAVICO, the manufacturer of this LOWRANCE VHF product. “You” or
“your” refers to the first person who purchases this product as a consumer item for personal, family
or household use.
We warrant this product against defects or malfunctions in materials and workmanship, and
against failure to conform to this product’s written specifications, all for two (2) years from the
date of original purchase by you. Battery Packs and accessory items have a one (1) year warranty.
WE MAKE NO OTHER EXPRESS WARRANTY OR REPRESENTATION OF ANY KIND WHATSOEVER
CONCERNING THIS PRODUCT. Your remedies under this warranty will be available so long as you
can show in a reasonable manner that any defect or malfunction in materials or workmanship, or
any non-conformity with the product’s written specifications, occurred within two years from the
date of your original purchase, which must be substantiated by a dated sales receipt or sales slip.
Any such defect, malfunction, or non-conformity which occurs within two years from your original
purchase date will either be repaired without charge or be replaced with a new product identical
or reasonably equivalent to this product, at our option, within a reasonable time after our receipt of
the product. If such defect, malfunction, or non-conformity remains after a reasonable number of
attempts to repair by us, you may elect to obtain without charge a replacement of the product or
a refund for the product. THIS REPAIR, OR REPLACEMENT OR REFUND (AS JUST DESCRIBED) IS THE
EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR ANY DEFECT, MALFUNCTION, OR NON-
CONFORMITY CONCERNING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY
OTHER CAUSE WHATSOEVER. WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE
FOR ANY SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR OTHER INDIRECT DAMAGE OF ANY KIND.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the
above limitations or exclusions may not apply to you.
This warranty does NOT apply in the following circumstances: (1) when the product has been
serviced or repaired by anyone other than us; (2) when the product has been connected, installed,
combined, altered, adjusted, or handled in a manner other than according to the instructions
furnished with the product; (3) when any serial number has been effaced, altered, or removed; or (4)
when any defect, problem, loss, or damage has resulted from any accident, misuse, negligence, or
carelessness, or from any failure to provide reasonable and necessary maintenance in accordance
with the instructions of the owner’s manual for the product.
We reserve the right to make changes or improvements in our products from time to time without
incurring the obligation to install such improvements or changes on equipment or items previously
manufactured.
This warranty gives you specific legal rights and you may also have other rights which may vary
from state to state.
REMINDER: You must retain the sales slip or sales receipt proving the date of your original purchase
in case warranty service is ever required.
NAVICO
12000 E. SKELLY DRIVE, TULSA, OK 74128
(800) 324-1356
24
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How to Obtain Service . . .
… in the USA:
We back your investment in quality products with quick, expert service and
genuine Lowrance replacement parts. If you’re in the United States and you have
technical, return or repair questions, please contact the Factory Customer Service
Department. Before any product can be returned, you must call customer service
to determine if a return is necessary. Many times, customer service can resolve your
problem over the phone without sending your product to the factory. To call us,
use the following toll-free number:
800-324-1356
8 a.m. to 5 p.m. Central Standard Time, M-F
Lowrance Electronics may find it necessary to change or end our shipping policies,
regulations, and special offers at any time. We reserve the right to do so without notice.
…in Canada:
If you’re in Canada and you have technical, return or repair questions, please
contact the Factory Customer Service Department. Before any product can be
returned, you must call customer service to determine if a return is necessary.
Many times, customer service can resolve your problem over the phone without
sending your product to the factory. To call us, use the following toll-free number:
800-661-3983
905-629-1614 (not toll-free)
8 a.m. to 5 p.m. Eastern Standard Time, M-F
…outside Canada and the USA:
If you have technical, return or repair questions, contact the dealer in the country
where you purchased your unit. To locate an Lowrance dealer near you, visit our
web site or consult your telephone directory for listings.
Lowrance LHR-20/22 Operation Instructions
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Accessory Ordering Information for all countries
To order Lowrance accessories, please contact:
1) Your local marine dealer or consumer electronics store. Most quality dealers that handle
marine electronic equipment or other consumer electronics should be able to assist you
with these items.
To locate an Lowrance dealer near you visit our web site or consult your telephone
directory for listings.
2) U.S. customers: LEI Extras Inc., PO Box 129, Catoosa, OK 74015-0129
3) Canadian customers can write:
Lowrance/Eagle Canada, 919 Matheson Blvd. E. Mississauga, Ontario L4W2R7 or
fax 905-629-3118.
Shipping Information
If it becomes necessary to send a product for repair or replacement, you must first receive
a return authorization number from Customer Service. Products shipped without a return
authorization will not be accepted. When shipping, were commend you do the following:
1. Please do not ship the knobs or mounting bracket with your unit.
2. If you are sending a check for repair, please place your check in an envelopeand tape it to
the unit.
3. For proper testing, include a brief note with the product describing the problem. Be sure
to include your name, return shipping address and a day time telephone number. An
e-mail address is optional but useful.
4. Pack the unit in a suitable size box with packing material to prevent any damage during
shipping.
5. Write the Return Authorization (RA) number on the outside of the box underneath your
return address.
6. For your security, you may want to insure the package through your shipping courier.
Lowrance does not assume responsibility for goods lost or damaged in transit.
26
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Notes:
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Lowrance Pub. 988-0158-091
Printed in China - 100107
Copyright © 2007
All Rights Reserved
Navico
MN000798A-G
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