Uniden Two Way Radio GMR1048 2CK User Manual

Congratulations on your purchase of the Uniden  
GMR1048-2CK (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.  
compartment. Be certain to follow the  
instructions written on the label on the battery  
pack. Installing the battery pack incorrectly will  
prevent the unit from operating.  
If battery Power is low, you cannot operate the  
radio even using external power. Allow the  
batteries to charge before using. If you try to  
transmit while power is low, the radio will  
automatically turn off.  
Channel Scan Feature  
1) To enter the Menu, press the menu key.  
2) Additional presses of the menu key advances  
you through the Menu until exiting to "Normal"  
operating mode.  
Key Lock  
GMR1048-2CK  
Your GMR1048-2CK radio has a channel scan  
feature that allows you to 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  
continues scanning. Pressing the PTT button while  
the scan is paused on a channel allows you to  
transmit on that channel.  
To lock the keypad:  
• 15 GMRS / 7 FRS Channels  
• 99 Sub Codes  
(CTCSS Tone and DCS Code) Channel Monitor  
Battery Charger  
1) Enter the Menu. Advance through the Menu until  
the  
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.  
icon appears on the display. The current  
Battery Level Meter  
3) Other methods of exiting the Menu function are:  
key again.  
4) Replace the battery compartment door.  
a. Press and hold the  
b. Press the PTT, mon, call, wx/alert, or chan  
tone/scan key  
• Up to 10 Mile Range*  
• Scramble  
Channel Scan  
Keypad Lock  
USING THE RADIO  
3) To confirm the setting, press the menu key.  
The radio returns to the "Normal" mode.  
BATTERY LEVEL AND  
LOW BATTERY ALERT  
c. Wait 10 seconds until the unit automatically  
returns to Normalmode.  
• Internal VOX Circuitry  
• 5 Selectable Call Tone Alerts  
• Backlit LCD Display  
NOAA Emergency /  
Weather Channels  
Emergency Weather Alert  
In order to get the most out of your new radio, read  
this reference guide completely before attempting to  
operate the unit.  
To turn ON channel scan:  
PACKAGE CONTENTS  
Note: If you exit the setting mode before confirming  
your selection by pressing the menu key, the Key  
Lock setting will be set to oF (OFF).  
This unit has a battery level meter on the display to  
indicate the status of the batteries. When the  
battery in the unit is low, the battery level meter  
Press and hold the chan tone/scan key until the  
scan... icon is displayed. The channel number on  
the display changes as the radio rapidly cycles  
through the channels.  
Setting Scramble  
• Optional Headset Accessories DC IN 9V Jack  
• Headset Jack  
• Roger Beep  
Your package contains two GMR1048-2CK radios,  
two rechargeable NiMH battery packs (#BP40), two  
AC adapters (#AD-1004), two charging cradles  
(#RC1041), 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). The following optional accessories  
can be purchased by calling the Customer Hotline at  
1-800-297-1023 (Mon-Fri 7 am to 7 pm,  
Scramble feature allows you to make a private  
conversation. No one listening to your conversation  
can understand what you are talking about. Be sure  
that your party also sets their radio to the scramble  
feature.  
Turning the Radio On and Adjusting the Volume  
1) Press and hold the  
key to turn the radio ON,  
icon  
flashes. Recharge the NiMH battery  
To unlock the keypad:  
and increase the speaker volume by pressing the  
L key. To decrease the volume, press the M  
key.  
pack immediately or if you are using the alkaline  
batteries, you must replace the alkaline batteries in  
order to continue using the radio.  
1) Press and hold the key to turn the radio OFF.  
2) Press and hold the key again to turn the radio  
ON. The keypad is unlocked.  
To turn OFF channel scan:  
Press the call, PTT, wx/alert or menu key, or  
press and hold the chan tone/scan key for 2  
seconds.  
2) Press and hold the  
radio OFF.  
key again to turn the  
To set Scramble:  
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.  
1) Enter the Menu.  
2) Select on using L or M.  
Automatic Power Save Feature  
Your GMR1048-2CK 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 to the  
Power Save mode. The radio is still able to receive  
transmissions in this mode.  
Adjusting the Sound (Key Beeps)  
Sat/Sun/holidays--except Thanksgiving and  
Christmas--9 am to 5 pm, CST). Use only Uniden  
accessories.  
Talking on Your Radio  
Your radio emits a beep each time one of the keys  
(except for the PTT 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.  
Voice Operated Transmission  
To talk to others using the radio:  
Your GMR1048-2CK 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.  
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 appears on the display. To avoid cutting  
off the first part of your transmission, pause  
slightly after pressing the PTT button before you  
start talking.  
2) When you have finished speaking, release the  
PTT button. You can now receive incoming calls.  
While receiving, the  
display.  
NiMH Battery Pack - #BP40  
Charging Cradle - #RC1041  
Headset - #HS910/HS915  
AC Adapter - #AD-1004  
*Range may vary depending on environmental and/or topographical conditions.  
CHARGING THE RADIO  
GMR1048-2CK RADIO  
If you use the rechargeable NiMH battery pack, two  
GMR1048-2CK radios can be charged directly or by  
using the supplied charging cradle.  
LCD Backlight  
Choosing a Channel  
The LCD Backlight automatically turns ON when any  
key (except the PTT button) is pressed. The LCD  
display illuminates for 10 seconds before turning OFF.  
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 be set to the same  
channel and Sub code.  
To select the VOX level:  
Charge by Using the Radio  
GMRS LICENSE  
1) Connect the AC adapter to DC IN 9V jack of the  
radio and to a standard 120V wall outlet.  
2) Charge the battery pack for 16 hours until the  
battery indicator stop flashing.  
1) Enter the Menu. Advance through the Menu until  
the vox icon appears on the display. The current  
level (OFF, 1-5) will be indicated. Level oF (OFF)  
disables VOX, while levels 1-5 set the  
Roger Beep  
The GMR1048-2CK radio operates on the  
General Mobile Radio Service (GMRS)  
icon appears on the  
To choose a channel:  
Roger Beep is a BEEP that is sent to notify the end of  
transmission (both PTT and VOX transmission).  
Roger Beep can be heard through the speaker when  
both Roger beep and Key Beep are set to ON. When  
Roger beep is set to ON and Key Beep OFF, Roger  
Beep will not be heard from the speaker but it will be  
transmitted to your party. When Roger Beep is set to  
OFF, Roger Beep neither be herad nor transmitted.  
With the radio in "Normal" operating mode press  
the chan tone/scan key and press the L or M key  
to increase or decrease the channel number  
displayed.  
frequencies when using Channels 1-7 and  
channels 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,  
call 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.  
Monitor Mode Feature  
sensitivity of the VOX circuit.  
Your GMR1048-2CK radio allows you to listen for  
weak signals on the current channel at the press of  
a key.  
Using the Charging Cradle  
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  
environments, and use a higher level to reduce  
undesired activation in very noisy environments.  
1) Connect the AC adapter 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) Charge the battery pack for 16 hours until the  
battery indicator stops flashing. Then remove the  
radio from the charging cradle after completing  
charging.  
Note: Channels 1-7 have an typical range of up to  
10 miles. Channels 8-14 have an typical range of  
up to 5 miles. Channels 15-22 have an typical  
range of up to 10 miles.You can know which GMRS  
or FRS channel is active by the icon. hi icon is  
displayed while scanning GMRS channels, and the  
lo icon is displayed while scanning FRS channels.  
To turn ON the Monitor Mode:  
For brief listening, press mon button. The  
icon blinks.  
Press and hold mon button for 2 seconds untill  
two beeps sound for continuous listening. The  
receiver circuit stays open, letting both the noise  
and weak signals to be heard.  
To turn ON Roger Beep:  
Transmitting a Call Tone  
Press and hold the L key while turning ON the radio.  
Your GMR1048-2CK radio is equipped with 5  
selectable call tones that are transmitted when the  
call key is pressed.  
To turn OFF Roger Beep:  
Press and hold the L key while turning ON the radio.  
Choosing a Sub Code  
To select a call tone:  
Note:  
To turn OFF Monitor Mode:  
1 Antenna  
16 Call Indicator  
17 Scan Indicator  
18 Channel Indicator  
19 Hi Power Indicator  
20 Low Power Indicator  
21 Alert Indicator  
22 Transmit Indicator  
23 Volume Setting Indicator  
24 Keypad Lock Indicator  
25 VOX Indicator  
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.  
DC IN 9V Jack of the radio is for charge only.  
Be sure to install the battery before charge.  
1) Enter the Menu. Advance through the Menu until  
the call icon is shown on the display. The current  
call tone number (1-5) is 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.  
Press mon button to return to "Normal" mode,  
and the  
2 PTT (Push-To-Talk) Button  
3 Monitor Button  
4 Weather/Alert Key  
5 Menu Key  
6 Channel Tone/Scan Key  
7 Speaker  
INSTALL THE BATTERY  
icon stops blinking and disappears.  
Use only the supplied battery and AC adapter or  
approved accessories from Uniden.  
Your GMR1048-2CK radio uses a supplied NiMH  
battery pack or 4 AAA alkaline batteries (not  
included).  
Navigating through the Menu  
Charge time may vary depending on the battery  
life remaining.  
To access the advanced features of the GMR1048-  
2CK, your radio has a Menu function.  
1) Press chan tone/scan in channel select mode.  
The subcode indicator will flash.  
2) Press the L or M key to increase or decrease  
the code number displayed. You can also select  
oF (OFF) at this stage.  
8 Up/Down Button  
9 Headset Jack  
10 On/Off Key  
11 Call Key  
12 Microphone  
To install the NiMH battery pack:  
Do not recharge alkaline batteries. Doing so can  
create a safety hazard or damage the radio.  
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 is pressed.  
Normal  
Scramble  
VOX Level  
Call Tone  
Key Lock  
Normal  
1) Make sure your radio is OFF.  
26 Weather Indicator  
27 Sub Code Indicator  
28 Scramble Indicator  
29 Charging Contacts  
2) Remove the battery compartment door by  
pressing the tab at the bottom of the  
For fastest charging, turn off the radio before  
charging.  
1-5  
ON-OFF  
OFF, 1-5  
ON-OFF  
3) Exit the Menu.  
13 DC IN 9V  
14 Battery Level Meter  
15 Receive Indicator  
compartment door, and remove the cover.  
3) Install the NiMH battery pack into the battery  
Battery must be installed for operation, even from  
external power.  
 

Tascam Recording Equipment VL X5 User Manual
Technicolor Thomson Stereo System CS600 User Manual
Thule Automobile Accessories 057 User Manual
Transcend Information Network Card TS0MHDENC User Manual
Uniden Cordless Telephone DECT1588 Series User Manual
Uniden Digital Camera UDC 5M User Manual
Verizon Cell Phone Accessories Hotspot 890L User Manual
Vivotek Network Card IP6112 User Manual
Vulcan Hart Range 160L77R User Manual
Wayne Dalton Garage Door Opener 5255 User Manual