Uniden 2238-2CK 전단

GMR2238-2CK

•  15 GMRS / 7 FRS Channels
•  99 Sub Codes
  (CTCSS Tone and DCS Code)
•  Up to 22 Mile Range*
•  Internal VOX Circuitry
•  5 Selectable Call Tone Alerts
•  Backlit LCD Display
•  Optional Headset Accessories
• Headset Jack

  

1 Antenna

  

2  PTT (Push-To-Talk) Button

  

3 Monitor Button

  

4 Scan Key

  

5 Menu Key

  

6  Channel Tone Key

  

7 Speaker

  

8 Up/Down Button

  

9 Headset Jack

10 On/Off Key

11 Call Key

12 Microphone

13 DC IN 9V

14  Battery Level Meter

15 Receive Indicator

16 Call Indicator

17 Scan Indicator

18 Channel Indicator

19 Hi Power Indicator

20 Low Power Indicator

21 Transmit Indicator

22  Volume Setting Indicator

23  Keypad Lock Indicator

24 VOX Indicator

25 Sub Code Indicator

26 Charging Contacts

Congratulations on your purchase of the Uniden 

GMR2238-2CK (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.

PACKAGE CONTENTS

Your package contains two radios, two rechargeable 

NiMH battery packs (#BP40), one AC adapter (#PS-

0007), one charging cradle (#RC1285), 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 web site at www.

uniden.com or call 1-800-554-3988 during regular 

business hours. Use only Uniden accessories.
•  NiMH Battery Pack - #BP40
•  Charging Cradle - #RC1285
•  Headset - #HS910/HS915/ZA-133
•  AC Adapter - #PS-0007
•  DC Adapter - #DC-1002

GMRS LICENSE

INSTALL THE BATTERY

Your radio uses a supplied NiMH battery pack or
4 AAA alkaline batteries (not included).

To install the NiMH battery pack:
1) Make sure your radio is OFF.
2) Remove the battery compartment door by 

pressing the tab at the bottom of the 
compartment door, and remove the cover.

3) Install the NiMH battery pack into the battery 

compartment. Be certain to follow the 
instructions written on the label on the battery 
pack. Installing the battery pack incorrectly will 

USING THE RADIO

• Roger Beep
• Battery Charger
•  Battery Level Meter
• Channel Monitor
• Channel Scan
• Keypad Lock
•  DC IN 9V Jack

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 
battery in the unit is low, the battery level meter 
icon 

 flashes. 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.
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.

CHARGING THE RADIO

If you use the rechargeable NiMH battery pack, two 

radios can be charged directly or by using the 

supplied charging cradle.

Charge by Using the Radio
1) Connect the optional DC adapter (#DC-1002) to 

DC IN 9V jack of the radio and to a cigarette 

lighter port.

2) Charge the battery pack for 16 hours until the 

battery indicator stops flashing.

Using the Charging Cradle
1) Connect the AC adapter (#PS-0007) 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 charging.

Note: 
•  For charging batteries directly without the cradle, 

prevent the unit from operating.

4) Replace the battery compartment door.

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   key to turn the radio ON, 

and increase the speaker volume by pressing the 

▲ key. To decrease the volume, press the ▼ 

key.

2) Press and hold the   key again to turn the radio 

OFF.

Adjusting the Sound (Key Beeps)
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.

Choosing a Channel
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 choose a channel:
With the radio in "Normal" operating mode press the 

CHAN TONE key and press the 

▲ or ▼ key to 

increase or decrease the channel number displayed.

Note: Channels 1-7 have an typical range of up to 

or FRS channel is active by the icon. hi icon is 

lo icon is displayed while scanning FRS channels.

Choosing a Sub Code
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) Press CHAN TONE in channel select mode. 

The subcode indicator will flash.

2) Press the 

▲ or ▼ key to increase or decrease 

the code number displayed. You can also select 

oF (OFF) at this stage.

3) Exit the Menu.

Channel Scan Feature
Your 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 turn ON channel scan:
Press the SCAN key until the scan... icon is 

displayed. The channel number on the display 

changes as the radio rapidly cycles through the 

channels. 
To turn OFF channel scan:
Press the CALL, PTT, MENU or SCAN key.

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 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 

 icon appears on 

the display.

Monitor Mode Feature
Your radio allows you to listen for weak signals on 

the current channel at the press of a key.
To turn ON the Monitor Mode:
•  For brief listening, press MON button. The 

 

icon blinks.

•  Press and hold MON button for 2 seconds until 

two beeps sound for continuous listening. The 

receiver circuit stays open, letting both the noise 

and weak signals to be heard.

To turn OFF Monitor Mode:
   Press MON button to return to "Normal" mode, 

and the 

 icon stops blinking and disappears.

Navigating through the Menu
Use the MENU button to access your radio's 

advanced functions.

1) To enter the Menu, press the MENU key.

Normal

Normal

VOX Level

Call Tone

Key Lock

1-5

OFF, 1-5

ON-OFF

2) Additional presses of the MENU key advances 

you through the Menu until exiting to "Normal" 

operating mode.

3) Other methods of exiting the Menu function are: 

 a. Press and hold the   key again.

 b. Press the PTT, MON, CALL, SCAN or CHAN 

TONE key

 c. Wait 10 seconds until the unit automatically 

returns to “Normal” mode.

Voice Operated Transmission
Your 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.
To select the VOX level:
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 sensitivity 

of the VOX circuit.

2) Press either the 

▲ or ▼ 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.

Transmitting a Call Tone
Your radio is equipped with 5 selectable call tones 

that are 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 (1-5) is indicated.

2) Press the 

▲ or ▼ key to increase or decrease 

the number to the desired call tone. Each tone 

will be heard through the speaker.

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.

To lock the keypad:
1) Enter the Menu. Advance through the Menu until 

the   icon appears on the display. The current 

Key Lock status oF (OFF) blinks on the display.

2) To switch the Key Lock mode from oF (OFF) to 

on, press the 

▲ key.

3) To confirm the setting, press the MENU key. 

The radio returns to the "Normal" mode.

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).

To unlock the keypad:
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.

Automatic Power Save Feature
Your 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 automatically turns ON when any 

key (except the PTT button) is pressed. The LCD 

display illuminates for 10 seconds before turning 

OFF.

Roger Beep
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.

To turn ON Roger Beep: 
Press and hold the 

▲ key while turning ON the radio.

To turn OFF Roger Beep: 
Press and hold the 

▲ key while turning ON the radio.