Congratulations on your purchase of the Uniden
GMR1088-2CK (General Mobile Radio Service)
radio. This product is a lightweight, palm-sized
radio. Use it at sporting events to stay in contact
with family and friends, hiking, skiing, outdoors, or
in a neighborhood watch for vital communication.
This compact, state-of-the-art device is equipped
with many features.
4) Align the battery cover tabs with the GMR1088
tab holes then replace the cover clip.
Note: When you press the Power boost button,
boost and icon appear on the display. The
play will change as the radio rapidly cycles through
the channels.
to the Power Save mode. The radio is still able to
receive transmissions in this mode.
Normal
SUB CODE
OFF, 1-99
VOX Level
OFF, 1-3
Call Tone
1-5
Silent Mode
ON-OFF
Key Lock
ON-OFF
Normal
GMR1088-2CK
radio will transmit Maximum power when a GMRS
channel is selected. After one minute past when
the boost transmission is established, the transmis-
sion stops automatically, and you will hear a boost
time out error tone.
To turn OFF channel scan:
• 15 GMRS / 7 FRS Channels
• 99 Sub Codes
(CTCSS Tone and DCS Code) • Battery Charger
• Power Boost Button for
LCD Backlight
Press the sel/ call, Power boost button, PTT,
wx/alert key, or press and hold the ch/scan key for
,
Maximum Range
The LCD Backlight will automatically turn ON when
any key (except the PTT button and Power boost
button) is pressed. The LCD display will illuminate
for 10 seconds before turning OFF.
BATTERY LEVEL AND
LOW BATTERY ALERT
2 seconds.
1) To enter the Menu, press the sel/ key.
2) Additional presses of the sel/ key will
advance you through the Menu until exiting to
"Normal" operating mode.
3) Other methods of exiting the Menu function are:
a. Press and hold the sel/ key again.
b. Press the PTT, Power boost button, mon, call,
wx/alert, or ch/scan key
• Up to 10 Mile Range*
• Internal VOX Circuitry
• Silent Call
• Battery Level Meter
• Channel Monitor
• Channel Scan
This unit has a battery level meter on the display to
indicate the status of the batteries. When the battery in the
Silent Call Mode
Voice Operated Transmission
When you turn on the silent mode, all incoming
calls are muted: the radio blinks the display
backlight and call icon to alert you to an incoming
call. If you do not respond to the call within 5
seconds, the backlight turns off, and the call icon
will continuous blink until there is no signal. If the
incoming call end in 5 seconds, the call icon
disappears from the display. Silent mode is
disabled for 15 seconds when you transmit,
receive, or press any other button.
Your GMR1088-2CK radio is equipped with 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 initiated by
speaking into the remote microphone instead of
pushing the PTT button.
Monitor Mode Feature
• 5 Selectable Call Tone Alerts
• Backlit LCD Display
• Optional Headset Accessories
• Headset Jack
• Keypad Lock
unit is low, the battery level meter icon
will flash.
Your GMR1088-2CK radio allows you to listen for
weak signals on the current channel at the press of a
key.
Recharge the NiMH battery pack immediately or if you are
using the alkaline batteries, you must replace the alkaline
batteries in order to continue using the radio.
• NOAA Emergency /
Weather Channels
• Emergency Weather Alert
PACKAGE CONTENTS
Your package contains two GMR1088 radios, two
rechargeable NiMH battery packs (#BP38), two AC
adapters (#AD-0001), two Charging cradles
• Roger Beep
To turn ON the Monitor 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.
c. Wait 10 seconds until the unit automatically
returns to “Normal” mode.
•
Press mon for brief listening, the
blink.
icon will
(#RC6489), two belt clips and this reference guide.
You may operate the unit using the rechargeable
NiMH battery pack or 4 AAA alkaline batteries
(not included). To order headsets, replacement
batteries, or other accessories, visit our website @
8 a.m. to 5 p.m. CST. Use only Uniden accessories.
To select the VOX level:
Choosing a Channel
• Press and hold mon for 2 seconds for
continuous listening. The receiver circuit will stay
open, and letting in both the noise and weak
signals.
1) Enter the Menu. Advance through the Menu until
the vox icon appears on the display. The current
level (OFF, 1-3) will be indicated. Level oF (OFF)
disables VOX, while levels 1-3 set the sensitivity
of the VOX circuit.
2) Press either the L or M key to the desired VOX
sensitivity level. Use level 1 for increased
sensitivity to voice in normally quiet
Your radio has 22 channels and 99 Sub codes you
can use to talk to others. In order to speak to
someone, each of you must set to the same
channel and Sub code.
USING THE CHARGING CRADLE
To set the silent mode:
If you use the rechargeable NiMH battery pack, two
GMR1088-2CK radios can be charged by using the
charging cradles.
Make sure to turn the radio OFF before placing
the radio in the charging cradle. Otherwise the
battery level meter icon won’t indicate properly.
1) Enter the Menu. Advance through the Menu until
the silent indicator appears on the display. The
current Silent mode status (OFF, ON) blinks on
the display.
2) To switch the Silent mode from the oF (OFF) to
on (ON), press the L key.
3) Exit the Menu.
To turn OFF Monitor Mode:
To choose a channel:
Press mon to return to "Normal" mode, and the
icon stop blinking.
With the radio in "Normal" operating mode press
the ch/scan key and press the L or M key to
increase or decrease the channel number
displayed.
• NiMH Battery Pack - #BP38
• Charging Cradle - #RC6489
• Headset - #HS2467
*Range may vary depending on environmental and/or topographical conditions.
Roger Beep
environments, and use a higher level to reduce
undesired activation in very noisy environments.
3) Exit the Menu.
Roger Beep is a BEEP that is sent to notify the end
of transmission (PTT, Power boost, and VOX
transmission). Roger Beep can be heard through
the speaker when key beep is on. Roger Beep is
transmitted even if key beep is turned off. However,
Roger Beep will not be heard from the speaker.
GMR1088 RADIO
1) Connect the AC adapter (# AD-0001) to DC IN
9V jack and to a standard 120V AC wall outlet.
2) Set the charging cradle on the desk or tabletop,
and place the radio in the charging cradle with
the keypad facing forward.
3) Make sure that the LED illuminates. Charge the
battery pack for 16 hours and remove the radio
from the charging cradle after charge.
Note: FRS channels 8-14 have an expectancy
range of up to 3 miles. GMRS channels 1-7, 15-22
have an expectancy range of up to 10 miles by
pressing the Power boost button.You can know
which GMRS or FRS channel is active by the icon.
The icon indicates GMRS channel, and the
icon indicates FRS channel.
Note: To prevent unwanted silent alerts, be sure to
use a Sub code whenever you use the Silent mode
feature.
You can hear the received voice when you turn ON
channel scan and an active channel is detected
even during silent mode. However, the (silent indi-
cator) icon still appears.
Transmitting a Call Tone
GMRS LICENSE
Your GMR1088-2CK radio is equipped with 5
selectable call tones that will be transmitted when
the call key is pressed.
The GMR1088-2CK operates on General Mobile
Radio Service (GMRS) frequencies when using
Channels 1-7 and 15-22.You must have a GMRS
license issued by the Federal Communications
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.
To turn ON Roger Beep:
To select a call tone:
Press and hold the L key while turning ON the
radio.
1) Enter the Menu. Advance through the Menu until
the call icon is shown on the display. The current
call tone number (1-5) will be indicated.
2) Press the L or M key to increase or decrease
the number to the desired call tone. Each tone
will be heard through the speaker.
Note: The charge indicator LED will remain on as
long as the radios are left in the charger.
Choosing a Sub Code
Key Lock
To turn OFF Roger Beep:
Each of the channels 1-22 may have any one of
the codes, OFF or 1-99 selected. Code oF (OFF)
indicates no Sub code selected and your radio can
receive a signal regardless of the code settings of
the transmitting radio.
1) Enter the Menu. The Sub code on the LCD
display will appear.
2) Press the L or M key to increase or decrease
the code number displayed. You can also select
oF (OFF) at this stage.
To lock the keypad:
Press and hold the L key while turning ON the
radio.
1) Enter the Menu. Advance through the Menu until
icon appears on the display. The current
the
sel/
call
ch/
scan
USING THE RADIO
Key Lock status oF (OFF) blinks on the display.
2) To switch the Key Lock mode from oF (OFF) to
on, press the L key.
3) To confirm the setting, press the sel/ key.
The radio returns to the "Normal" mode.
wx/
alert
mon
3) Exit the Menu.
In order to get the most out of your new radio, read this
reference guide completely before attempting to operate
the unit.
To transmit the selected call tone, press the call
key. The selected tone will automatically be
transmitted for a fixed length of time. Call Tone will
be cancelled when the PTT button or Power boost
button is pressed.
Turning the Radio On and Adjusting the Volume
Note: If you exit the setting mode before confirming
your selection by pressing the sel/ key, the key
Lock setting will be set to oF (OFF).
1) Press and hold the sel/ key to turn the radio ON,
and increase the speaker volume by pressing the L
key. To decrease the volume, press the M key.
2) Press and hold the sel/ key again to turn the radio
OFF.
INSTALL THE BATTERY
3) Exit the Menu.
1
2
3
4
5
6
7
8
9
Antenna
16 Boost Indicator
17 Call Indicator
18 Scan Indicator
19 Channel Indicator
20 Alert Indicator
Your GMR1088-2CK radio uses the NiMH battery
pack or 4 AAA alkaline batteries (not included).
PTT (Push-To-Talk) Button
Power Boost Button
Call Key
Talking on Your Radio
Channel Scan Feature
To unlock the keypad:
Your GMR1088-2CK radio has a channel scan
feature that allows you to easily scan all 22
To talk to others using the radio:
1) Press and hold the sel/ key to turn the radio
OFF.
2) Press and hold the sel/ key again to turn the
radio ON. The keypad is unlocked.
1) Press and hold the PTT button and speak in a
clear, normal voice about 2-3 inches away from
the microphone. While you are transmitting, the
icon will appear on the display. To avoid
cutting off the first part of your transmission,
pause slightly after pressing the PTT button
before you start talking.
WX/Alert Key
To install the NiMH battery pack:
Adjusting the Sound (Key Beeps)
channels. When an active channel is detected, the
radio will pause on that channel until the channel is
clear. Then after a 2 second delay, the radio will
continue scanning. Pressing the PTT button or
Power boost button while the scan is paused on a
channel will allow you to transmit on that channel.
Channel/Scan Key
Speaker
Headset Jack
21 Weather Indicator
22 Transmit Indicator
23 Keypad Lock Indicator
24 Volume Setting Indicator
25 VOX Indicator
1) Make sure your radio is OFF.
Your radio emits a beep each time one of the keys
(except for the PTT, Power boost button, and call
key) is pressed.
To turn this sound OFF, press and hold the call key while
turning ON the radio. Repeat this step to turn the sound ON.
2) Release the battery cover clip, then remove the
battery cover.
Volume/ch Up Key
Automatic Power Save Feature
3) Install the NiMH battery pack into the battery
compartment. Be certain to follow the instruction
written on the label on the battery pack.
Installing the battery pack incorrectly will prevent
the unit from operating.
10 Volume/ch Down Key
11 On/Off/Select Key
12 Monitor Key
Your GMR1088-2CK radio has a unique circuit
designed to dramatically extend the life of the
batteries. If there is no transmission nor an
incoming call within 3 seconds, your radio switches
26 GMRS/FRS Indicator
27 Silent Indicator
2) When you are finished speaking, release the PTT
button.You can now receive incoming calls. While
Navigating through the Menu
To turn ON channel scan:
13 Microphone
14 Battery Level Meter
15 Receive Indicator
28 Sub Code Indicator
29 Charging contacts
30 Charging LED
To access the advanced features of the
GMR1088-2CK, your radio has a Menu function.
Press and hold the ch/scan key until the scan...
icon is displayed. The channel number on the dis-
receiving, the
icon will appear on the display.
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