GMR855-2/GMR855-2CK
• | Power Boost Button for | • | Battery Level Meter |
| Maximum Range | • | Channel Monitor |
• 15 GMRS / 7 FRS Channels | • Channel Scan |
• | Up to 8 Mile Range* | • | Keypad Lock |
• | 5 Selectable Call Tone Alerts | • | Belt Clip |
• | Backlit LCD Display | • | NiMH Battery Pack and |
• | Battery Recharge Circuit | | Charger |
• | Roger Beep | | (GMR855-2CK only) |
• | Key Beep on/off | | |
* Range may vary depending on environmental and/or topographical conditions.
GMR855-2/GMR855-2CK RADIO
1 | Antenna | 13 | Battery Level Meter |
2 | PTT (Push-To-Talk) Button | 14 | Receive Indicator |
3 | Power boost Button | 15 | Scan Indicator |
4 | Monitor Key | 16 | Channel Indicator |
5 | Channel/Scan Up Key | 17 | Power Boost Indicator |
6 | Channel/Scan Down Key | 18 | Volume Setting Indicator |
7 | Speaker | 19 | GMRS/FRS Indicator |
8 | Call Key | 20 | Transmit Indicator |
9 | Volume Up Key | 21 | Call Indicator |
10 | On/off/select Key | 22 | Keypad Lock Indicator |
11 | Volume Down Key | 23 | Charging LED’s |
12 | Microphone | | |
Congratulations on your purchase of the Uniden GMR855-2/GMR855-2CK (General Mobile Radio Service) radios. These products are lightweight, palm-sized radios. Use them at sporting events to stay in contact with family and friends, hiking, skiing, outdoors, or in a neighborhood watch for vital communication. These compact, state-of-the- art devices are equipped with many features.
PACKAGE CONTENTS
Your package contains 2 radios, 2 reference guides including the product registration card, and 2 Belt Clips. The GMRS855-2CK also contents NiMH Battery Packs, Dual Drop-in Recharging Cradle and AC adapter. The following optional accessories may be purchased from your participating Uniden dealer or call1-800-554-3988 or visit us on the web at www.uniden.com. Use only Uniden accessories.
•NiMH Battery Pack - #BP38
•Recharging Cradle - #RC6348
•AC Adapter - #AC6248
FCC GMRS LICENSE
The GMR855-2/GMR855-2CK radio operates on the General Mobile Radio Service (GMRS) frequencies which require a Federal Communication Commission license to operate. For licensing information and application forms, visit the FCC online at: www.fcc.gov/wtb/uls or 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.
INSTALL THE BATTERIES
Your GMR855-2/GMR855-2CK radio uses 4 AAA alkaline batteries or NiMH battery pack (included in GMR855-2CK only). If alkaline batteries are used, we recommend using high quality alkaline batteries.
To install the 4 AAA alkaline batteries or Ni-MH battery:
1)Make sure your radio is OFF.
2)Remove the battery compartment door by pressing up the tab at the bottom of the compartment door allowing the door to be removed.
3)Install 4 AAA alkaline batteries (not included) into the battery compartment. Be certain to follow the + and – symbols in the compartment. If you use Ni-MH battery, install the battey making the label faced up. Installing the batteries incorrectly will prevent the unit from operating.
4)Replace the battery compartment door.
BATTERY LEVEL AND
LOW BATTERY ALERT
This unit has a battery level meter on the display to indicate the status of the batteries. When the batteries in the unit are very low, the battery level
meter icon 
will flash. Replace the alkaline batteries immediately or if you are using the NiMH battery pack, you must recharge the battery in order to continue using the radio.
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.
USING THE CHARGING CRADLE
If you use the rechargeable NiMH battery pack, two GRM855-2CK radios can be charged by using the charging cradle.
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)Connect the AC adapter (# AC6248) 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: The charge indicator LED's will remain on as long as the radios are left in the charger.
USING THE RADIO
In order to get the most out of your new radio, read this reference guide completely before attempting to operate the unit.
Turning the Radio On and Adjusting the Volume
1)Press and hold the sel/ 
key to turn the unit ON, and increase the speaker volume by pressing the volume ▲ key. To decrease the volume, press the volume ▼ key.
2)Press and hold the sel/ 
key again to turn the unit OFF.
Adjusting the Sound (Key Beeps)
Your radio emits a beep each time one of the buttons or keys (except for the PTT and Power boost button, and call key) are pressed. To turn this sound OFF, press and hold call key while turning ON the radio. Repeat this step to turn the sound ON.
Navigating through the Menu
To access the advanced features of the GMR855-2 /GMR855-2CK, your radio has a Menu function.
Normal 
Call Tone 
Key Lock 
Normal
1-5 ON-OFF
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 or Power boost button, or mon, volume ▲/▼, and call key.
c.Wait 10 seconds until the unit automatically returns to “Normal” mode.
Choosing a Channel
Your radio has 22 channels you can use to talk to others. In order to speak to someone, each of you must be set to the same channel.
To choose a channel:
With the radio in "Normal" operating mode press the ch/scan ▲ or ▼ key to increase or decrease the channel number displayed.
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 8 miles by pressing the Power boost button.
Talking on Your Radio
To talk to others using the radio:
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.
2)When you are finished speaking, release the PTT button. You can now receive incoming calls. While
receiving, the 
icon will appear on the display.
Note: When you press the Power boost button,
boost and 
icon appear on the display. The radio will transmit Maximum power when a GMRS channel is selected. After one minute past when the boost transmission is established, the transmission stops automatically, and you will hear a boost time out error tone.
Transmitting a Call Tone
Your GMR855-2/GMR855-2CK radio is equipped with 5 selectable call tones that will be transmitted when the call key is pressed.
To select a call tone:
1)Enter the Menu. Advance through the Menu until the call icon is shown on the display. The
current call tone number ( 
- 
) will be indicated.
2)Press the ch/scan ▲ or ▼ key to increase or decrease the number to the desired call tone. Each tone will be heard through the speaker.
3)Exit the Menu.
To transmit the selected call tone, press the call key. The selected tone will automatically be transmitted for a fixed length of time.
Keypad Lock
To Lock the keypad:
1)Enter the Menu. Advance through the Menu until
the 
icon appears on the display. The current key Lock status (OFF) blinks on the display.
2)To switch the key Lock mode from OFF to ON, press the ch/scan ▲ key.
3)To confirm the setting, press the sel/ 
key. The radio returns to the "Normal" mode.
Note: If you exit the setting mode before confirming your selection by pressing the sel/ 
key, the key Lock setting will be set to OFF.
To Unlock the keypad:
1)Press and hold the sel/ 
key to turn the unit OFF.
2)Press and hold the sel/ 
key again to turn the unit ON. The keypad is unlocked.
Channel Scan Feature
Your GMR855-2/GMR855-2CK radio has a channel Scan feature that allows you to easily Scan all 22 channels. When an active channel is detected, the unit will pause on that channel until the channel is clear. Then after a 2 second delay, the unit will continue scanning. Pressing the PTT or Power boost button while the Scan is paused on a channel will allow you to transmit on that channel.
To turn ON channel scanning:
Press and hold either the ch/scan ▲ or ▼ key until the scan icon is displayed. The channel number on the display will change as the radio rapidly cycles through the channels.
To turn OFF channel scanning:
Press the sel/ 
key, call key, Power boost button or PTT button.
Automatic Power Save Feature
Your GMR855-2/GMR855-2CK 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.
LCD Backlight
The LCD backlight will automatically turn ON when any key (except for the PTT and Power boost button) is pressed. The LCD display will illuminate for 10 seconds before turning OFF.
Monitor Mode Feature
Your GMR855-2/GMR855-2CK radio allows you to listen for weak signals on the current channel at the press of a key.
To turn ON the monitor mode:
•Press mon for brief listening, the 
icon will blink.
•Press and hold mon for 2 seconds for continuous listening. The receiver circuit will stay open, and letting in both the noise & weak signals.
To turn OFF monitor mode:
•Press mon to return to "Normal" mode, and the
icon stops blinking.
Roger Beep
Roger Beep is a BEEP that is sent to notify the end of transmission (PTT transmission.) Roger Beep can be heard through the speaker when Key Beep is on. If key beep is turned off, Roger Beep will not be heard from the speaker.
To turn ON Roger Beep:
Press and hold the ch/scan ▲ key while turning ON the radio.
To turn OFF Roger Beep:
Press and hold the ch/scan ▲ key while turning ON the radio.
