Congratulations on your purchase of the Uniden
GMR1588-2CK/GMR1595-2CK (General Mobile
Radio Service) radio. This lightweight, palm-sized,
radio is a state-of-the-art device, equipped with
many valuable features. Use it at sporting events,
to stay in contact with family and friends, hiking,
skiing, outdoors, or in a neighborhood watch for
vital communication.
written on the battery pack’s label. Installing the
battery pack incorrectly will prevent the unit from
operating.
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Batteries must be installed for operation, even
from external power.
• Set a Unit Number
• Set a "Nickname"
1) Press and hold menu/grp for 2 seconds, then
tap menu/grp four times until the radio displays
a low-power channel if you need longer battery
life).
To turn on channel scan:
Navigating through the Normal Menu
GMR1588-2CK/GMR1595-2CK
To access the advanced features of the GMR1588-
2CK/GMR1595-2CK, your radio has a Menu
function.
Press and hold ch tone/scn until SCAN appears.
The channel number changes as the radio rapidly
cycles through the channels.
n
place in the nickname flashing.
(or your current nickname) with the first
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If battery power is low, you cannot operate the
radio even using external power. Let the
batteries charge before using. If you try to
transmit while power is low, the radio
automatically turns off.
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15 GMRS / 7 FRS Channels
142 Privacy Codes (CTCSS Tone
and DCS Code)
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Vibrate Reminder
(GMR1595 Only)
Power Boost Button for
Maximum Range
All Call
To start an auto channel change, on any radio in
the group tap ch tone/scn. The current channel
and CHCX appears. Use L or M to select the
target channel. You can check whether the selected
channel is clear. Then press d-call.
Your radio chirps for about 10 seconds while it
sends out the channel change signal. As each
radio receives the channel change signal, it chirps
once, then changes to the new channel.
Setting the Radio to Group Mode
4) Align the battery cover tabs with the tab holes
on the radio, then replace the cover clip.
2) Press L to select the letter, then ch tone/scn to
advance to the next letter until you have entered
your nickname.
3) Press menu/grp to confirm the setting and exit
the group settings menu.
To set the radio to Group Mode, which enables
Direct Call, Auto Channel Change and All Call,
press and hold menu/grp for 2 seconds. The radio
displays oF GRUP. Press L to display on GRUP,
then press menu/grp to advance to setting the
Group Code.
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Scramble
VOX Level
Call Tone
Silent Mode
Key Lock
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Up to 15 Mile Range*
Direct Call
Scramble
143 Group Codes
Silent Mode
Internal VOX Circuitry
10 Selectable Call/Ring Tone Alerts
Backlit LCD Display
Optional Headset Accessories
Headset Jack
To turn off channel scan:
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Press d-call, PTT, Power boost, wx/alert or
menu/grp, or press and hold ch tone/scn for 2
seconds.
Auto Channel Change Call
Battery Charger
Battery Level Meter
Channel Monitor
Channel Scan
Group Scan
Keypad Lock
NOAA Emergency /
Weather Channels
Emergency Weather Alert
DC IN 9V Jack
USING THE RADIO BATTERY
LEVEL AND LOW BATTERY ALERT
1-10
ON-OFF
OFF, 1-5
ON-OFF
ON-OFF
USING THE RADIO
Using Group Mode
PACKAGE CONTENTS
1) To enter the menu, press menu/grp.
This radio has a battery level meter that indicates
the status of the batteries. When the battery level is
low, BATT appears and the battery level meter icon
flashes. Recharge the NiMH battery pack
immediately or, if you are using the alkaline
batteries, replace the alkaline batteries in order to
continue using the radio.
Talking on Your Radio
Group mode lets you make direct calls to other
people in your group without alerting the entire
group and also lets you quickly change everyone in
your group to another channel from a single radio.
Before using group mode, follow the instructions in
"Setting Up Group Mode" on every radio in your
group. Then, to record the unit ID and everyone’s
nickname in every radio, send a call to "All" from
each radio one time (see "Sending a Direct Call").
2) Additional presses of menu/grp advances you
through the menu. After the last menu item, the
radio exits to the previous mode.
3) Other ways to exit the Menu function are:
a. Press PTT, Power boost, mon, d-call,
wx/alert, or ch tone/scn.
Note: In group mode, you cannot receive
transmissions from other radios unless they are
also set to the same channel and group code.
In order to get the most out of your new radio, read
this reference guide completely before attempting to
operate the unit.
Your package contains two GMR1588-2CK /
GMR1595-2CK radios, two rechargeable NiMH
battery packs (#BP38), two AC adapters (#AD-
1004), two charging cradles (#RC1581), two belt
clips and this reference guide. You can operate the
unit using the rechargeable NiMH battery pack or
4 AAA alkaline batteries (not included).
To order the following optional accessories, visit our
Mon-Fri, 8 a.m. to 5 p.m. CST.
To talk to others using the radio:
To ensure all radios make it to the new channel, we
recommend you:
1) Press and hold PTT or Power boost and speak
in a clear, normal voice about 2-3 inches away
from the microphone. While you transmit, TXHI
or TXLO appears on the display according to
the type of channel. To avoid cutting off the first
part of your transmission, pause slightly after
pressing PTT or Power boost before you start
talking.
Roger Beep
Turning the Radio On and Adjusting the Volume
Setting the Group Code
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• Make sure you are in an open environment,
where the radio will get the best range.
• Optimize range during the channel change
signal by raising the radio over your head to give
the best possible height.
1) Rotate vol/off clockwise until it clicks, and set
volume to a comfortable listening level.
2) To turn off the radio, rotate vol/off
counterclockwise until it clicks.
Set the group code for your radio group from 0-142.
Everyone in your group must select the same
group code in order to communicate with each
other.
b. Wait 10 seconds until the radio automatically
returns to previous mode.
Warning! To avoid the risk of personal injury or
property damage from fire or electrical shock, only
use the Uniden accessories specifically designated
for this product.
Setting Scramble
Adjusting the Sound (Key Beeps)
Sending a Direct Call
Scramble allows you to make a private
1) Press and hold menu/grp for 2 seconds. The
radio displays on GRUP.
2) Tap menu/grp. The radio displays Gnnn (n is a
number). Press L or M to select the group
number.
Use only Uniden accessories.
• Do a "roll call" on the new channel after the
move to be sure no one was left behind. If you
missed someone, return to the previous channel
and issue the signal again.
2) When you finish speaking, release PTT or
Power boost. You can now receive incoming
calls. While receiving, rx appears on the display.
Your radio sounds a beep each time you press a
key (except for PTT and Power boost).
To turn this sound off, press and hold d-call while
turning on the radio. Repeat this step to turn the
sound on.
Direct Call lets you call everyone in your group at
once, or call a single person in your group without
anyone else in the group knowing. It is like a
"speed dial" directly to the person(s) you want to
talk to.
conversation. No one listening to your conversation
can understand what you are talking about. Be sure
that the person you are calling also sets their radio
to the scramble feature.
• NiMH Battery Pack - #BP38
• Charging Cradle - #RC1581
• VOX Headset - #HS910/HS915
• AC Adapter - #AD-1004
*Range may vary depending on environmental and/or topographical conditions.
CHARGING THE RADIO
Note: When you press Power boost, BOOS
appear on the display. The radio transmits at
maximum power when a GMRS channel is
selected. If Power boost is continuously pressed,
1 minute after you start pressing Power boost the
transmission stops and you hear a boost timeout
error tone.
GMR1588-2CK/GMR1595-2CK RADIO
3) Press PTT or Power boost to return to normal
operation, or continue to the next section.
If you use the rechargeable NiMH battery pack, two
GMR1588-2CK/GMR1595-2CK radios can be
charged directly or by using the supplied charging
cradle.
To set Scramble:
• DC Adapter - #DC-1002
1) Enter the menu. SCRM appears and the current
setting flashes.
2) Press L to display on SCRM. scrm appears.
Choosing a Channel
To call everyone in your group, press d-call in
group mode. The radio flashes ALL. Then, press
d-call again. Everyone in your group receives a call
"chirp" for about 3 seconds. When the chirp ends,
begin your conversation.
Your radio has 22 channels and 142 Privacy codes
you can use to talk to others. In order to speak to
someone, both your radios must be set to the same
channel and Privacy code.
Setting the Ring Tone
USING THE RADIO IN STANDARD MODE
This setting selects the tone you hear when
someone places a direct call to you.
GMRS LICENSE
Use the radio in standard (not group) mode when
you need to be able to communicate with radios
that do not have the group feature.
Charge by Using the Radio
Note: You can only communicate using scramble
between two compatible Uniden radios.
The GMR1588-2CK/GMR1595-2CK radio operates
on the General Mobile Radio Service (GMRS)
frequencies when using Channels 1-7 and
channels 15-22.You must have a GMRS license
issued by the Federal Communications
1) Connect the AC adapter or optional DC adapter
to DC IN 9V jack of the radio and connect it to
the appropriate power source.
2) Charge the battery pack for 16 hours until the
battery indicator stop flashing.
1) Press and hold menu/grp for 2 seconds, then
tap menu/grp two times until the radio displays
n RING.
2) Press L or M to select the desired ring sound.
With each press, you hear a sample of the
selected tone.
To choose a channel:
Monitor Mode Feature
Note: When you make a direct call to "all," your
radio also sends out your nickname or ID so that it
will show up in the call list for everyone in your
group.
Voice Operated Transmission
Choosing a Privacy Code
Your GMR1588-2CK/GMR1595-2CK radio lets you
listen for weak signals on the current channel at the
press of a key.
Press ch tone/scn, then press L or M to increase
or decrease the channel number displayed.
Your GMR1588-2CK/GMR1595-2CK radio has a
user selectable Voice Operated Transmitter (VOX)
that can be used for automatic voice transmissions.
The VOX feature is designed to be used with a
headset with a microphone. Transmission is starts
when you speak into the microphone instead of
pushing the PTT and Power boost button.
You can select a Privacy Code from 1-142 for each
channel. oFF (OFF) indicates no Privacy code
selected and your radio can receive a signal
regardless of the code settings of the transmitting
radio.
Note: Channels 1-7 and 15-22 have a typical range
of up to 10 miles, or 15 miles when you press
Power Boost. Channels 8-14 have a typical range
of up to 5 miles.You can see an indication of the
range as you change channels. HI appears when
you select channels 1-7 or 15-22, and LO appears
for channels 8-14.
Commission to legally use these channels. For
licensing information and application forms, visit
the FCC hotline at 1-800-418-3676. If you have
any questions, you can contact the FCC direct at
1-888-225-5322. No license is required for
operation on channels 8-14 or operation on any
channel in Canada.
Using the Charging Cradle
To call one person in your group, without having
other people know, press d-call in group mode.
Then, use L or M to select the person you want to
call and press d-call again. Your radio sounds
tones for 3 seconds as it sends the call. When the
selected person answers, you can begin your
conversation. You can silence the call tones at any
time by pressing PTT or Power boost.
To turn on the Monitor Mode:
3) Press PTT or Power boost to return to normal
operation, or continue to the next section.
1) Connect the AC adapter or optional DC adapter
to DC IN 9V jack of the charging cradle and
connect it to the appropriate power source.
2) Set the charging cradle on the desk or tabletop,
and place the radio in the charging cradle with
the keypad facing forward.
3) Charge the battery pack for 16 hours until the
battery indicator stops flashing. Then remove the
radio from the charging cradle after completing
charging.
• For brief listening, press mon. MON appears
and rx icon flashes.
1) Press ch tone/scn twice. The Privacy code
indicator flashes.
2) Press L or M to increase or decrease the
code. You can also select oFF.
3) Press ch tone/scn again.
Setting the Unit Number
• Press and hold mon for 2 seconds until two
beeps sound for continuous listening. The
receiver circuit stays open, so you hear both the
noise and weak signals.
Each radio in your group needs to be set to a
unique unit number, from 1-16.
To select the VOX level:
Warning! The range of channels 1-7 and 15-22 can
be boosted only when you use NiMH batteries.
When you press Power boost while using alkaline
batteries, the range is not boosted.
1) Enter the menu. Advance through the menu until
VOX appears. The current level (OFF, 1-5)
flashes. Level oF (OFF) disables VOX, while
levels 1-5 set the sensitivity of the VOX circuit.
2) Press either L or M to set the desired VOX
sensitivity level. Use level 1 for increased
sensitivity to voice in normally quiet
1) Press and hold menu/grp for 2 seconds, then
tap menu/grp three times until the radio
Your conversation remains private between you and
the person you called until 15 seconds after your
last conversation. Then, your radio automatically
exits private mode.
Note: Only tones 1-38 are standard across radio
brands. Other settings might differ from brand to
brand. See the specifications for the specific tones
used for each setting.
displays n
(or your current nickname).
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To turn off Monitor Mode:
INSTALL THE BATTERY
2) Press L or M to select the desired unit number.
3) Press menu/grp to confirm the setting and exit
the group setting menu.
Press mon to return to the previous mode. The
mon and rx icons disappear.
1 Antenna
13 Microphone
14 DC IN 9V
15 Channel Indicator
16 Sub Code Indicator
17 Alert Indicator
Note:
Your GMR1588-2CK/GMR1595-2CK radio uses a
supplied NiMH battery pack or 4 AAA alkaline
batteries (not included).
2 PTT (Push-To-Talk) Button
3 Power Boost Button
4 Weather/Alert Key
5 D-call Key
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Use only the supplied battery and AC adapter or
approved DC adapter from Uniden.
environments, and use a higher level to reduce
undesired activation in very noisy environments.
SETTING UP GROUP MODE
Automatically Changing Channels
Channel Scan Feature
Setting Your Nickname
Charge time may vary depending on the battery
life remaining.
Auto Channel Change lets you easily coordinate a
channel change for everyone in your group. You
might want to do this when you find you are getting
a lot of interference on your current channel. Or,
you can use this feature to change from a low-
power channel (8-14) to one of the high-powered
channels (1-7, 15-22) if you need more range (or to
Your GMR1588-2CK/GMR1595-2CK radio has a
channel scan feature that lets you easily scan all
22 channels. When an active channel is detected,
the radio pauses on that channel until the channel
is clear. Then after a 2-second delay, the radio
resumes scanning. Pressing PTT or Power boost
while the scan is paused on a channel lets you
In order to use Group Mode you need to initialize a
couple of settings in your radio:
Your nickname appears on other units’ displays
when you make a All Call or direct call. This is also
the name that appears on other radio displays
when someone wants to make a direct call to you.
When no nickname is set, the unit number appears.
6 Menu/group Key
7 Speaker
18 Receive Indicator
19 Miss Indicator
To install the NiMH battery pack:
Transmitting a Call Tone
Do not recharge alkaline batteries. Doing so can
create a safety hazard or damage the radio.
1) Make sure the radio is off.
Your GMR1588-2CK/GMR1595-2CK radio is
equipped with 10 selectable call tones that are
transmitted when you press d-call in standard
mode.
8 Volume Setting Nob
9 Up/Down Button
10 Headset Jack
11 Channel Tone/Scan Key
12 Monitor Key
20 Battery Level Indicator
21 Scramble Indicator
22 VOX Indicator
2) Release the battery cover clip, then remove the
battery cover.
• Set the radio to Group Mode
• Set a Group Code
For fastest charging, turn off the radio before
charging.
23 Call Indicator
24 Charging Contacts
3) Put the NiMH battery pack in the battery
compartment. Be sure to follow the instructions
• Set a Ring Tone
transmit on that channel.
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