UT896ZH (GMRS750)-0625 6/25/03 11:14 AM Page 1
Congratulations on your purchase of the Uniden
GMRS750 (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.
Choosing a Channel
instead of pushing the PTT button. A beep tone will
be heard to indicate the transmission has stopped.
Note: When the VOX feature is enabled ,the
GMRS750 will emit a confirmation tone to indicate
the end of transmission. While the Headset jack
cover is open, it does not meet JIS4 waterproof.
Keypad Lock
BATTERY LEVEL AND
LOW BATTERY ALERT
GMRS750
Your radio has 22 channels and 38 CTCSS 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 CTCSS code.
To Lock the keypad:
• Power Boost key for Maximum
Range
• Transmit Confirmation
Tone
1) Enter the Menu. Advance through the Menu until
This unit has a battery level meter on the display to
indicate the status of the batteries. When the
batteries in the unit are low, the battery level meter
the Keypad Lock icon the
icon appears on
• 38 CTCSS Codes • Headset Jack
• Up to 7 Mile Range* • Battery Level Meter
• 7 FRS/GMRS, 7 FRS, 8 GMRS • Channel Monitor
the display. The current key Lock status (OFF)
blinks on the display.
To choose a channel:
icon
will flash. Replace the alkaline
To select the VOX level:
2) To switch the key Lock mode from OFF to ON,
press the chan/scan + key.
With the radio in "Normal" operating mode press
the chan/scan + or – key to increase or decrease
the channel number displayed.
batteries immediately.
• Internal VOX Circuitry
• 5 Selectable Call Tone Alerts
• Backlit LCD Display
• Channel Scan
• Keypad Lock
• 7 Emergency / Weather
Channels
1) Enter the Menu. Advance through the Menu until
the vox icon appears on the display. The current
level (off, 1-4) will be indicated. Level
3) To confirm the setting, press the select/ key.
The radio returns to the "Normal" mode.
• Headset Accessory
• 4 DuraCell Ultra “AA” Alkaline
Batteries included
Note: FRS Channels 8-14 have an expectancy
range of up to 2 miles. GMRS channels 1-7, 15-22
have an expectancy range of up to 5 miles and up
to 7 miles by pressing the Power boost key.
disables VOX, while levels
-
FCC GMRS LICENSE
USING THE RADIO
• Emergency / Weather
Alert
set the sensitivity of the VOX circuit.
2) Press either the chan/scan + or – key to the
desired VOX sensitivity level. Use level 4 for
increased sensitivity to voice in normally quiet
environments, and use a lower level to reduce
undesired activation in very noisy environments.
3) Exit the Menu.
Note: If you exit the setting mode before confirming
your selection by pressing the select/ key, the key
Lock setting will be set to OFF.
The GMRS750 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:
In order to get the most out of your new radio, read
this reference guide completely before attempting to
operate the unit.
Choosing a CTCSS Code
To Unlock the keypad:
Turning the Radio On and Adjusting the Volume
Each of the channels 1-22 may have any one of
the codes, OFF or 1-38 selected. Code
indicates no CTCSS code selected and your radio
can receive a signal regardless of the code settings
of the transmitting radio.
1) Press and hold the select/ key to turn the unit
OFF.
1) Press and hold the select/ key to turn the unit
ON, and increase the speaker volume by
pressing the vol + key. To decrease the volume,
press the vol – key.
1-800-418-3676. If you have any questions you
can contact the FCC direct at 1-888-225-5322.
2) Press and hold the select/ key again to turn
the unit ON. The keypad is unlocked.
The Uniden GMRS750 Radio meets the stringent JIS4 waterproof specification.
You are encouraged to thoroughly read the rest of this Operating Guide to
acquaint yourself with the characteristics and operation of your transceiver so
that you can contribute to the longevity of your investment.
Features, specifications, and availability of optional accessories are all subject
to change without notice.
Transmitting a Call Tone
Your GMRS750 radio is equipped with 5 selectable
call tones that will be transmitted when the call key
is pressed.
2) Press and hold the select/ key again to turn
the unit OFF.
Note: Key Lock is automatically canceled when WX
alert is decoded.
1) Enter the Menu. The CTCSS code on the LCD
display will flash.
2) Press the chan/scan + or – key to increase or
decrease the code number displayed. You can
also select (off) at this stage.
3) Exit the Menu to return to “Normal” mode.
Note: GMRS750 meets JIS4 requirements.
INSTALL THE BATTERIES
To select a call tone:
* Range may vary depending on environmental and/or topographical conditions.
Adjusting the Sound (Key Beeps)
1) Enter the Menu. Advance through the Menu until
the call icon is shown on the display. The
Your GMRS750 radio uses 4 AA alkaline batteries.
If alkaline batteries are used, we recommend using
high quality alkaline batteries.
GMRS750 RADIO
Your radio emits a beep each time one of the
buttons or keys (except for the PTT button, Power
boost key and call key) are pressed. To turn this
sound OFF, press and hold call while turning ON
the radio. Repeat this step to turn the sound ON.
Automatic Power Save Feature
current call tone number (
indicated.
-
) will be
Your GMRS750 radio has a unique circuit designed
to dramatically extend the life of the
batteries.
Talking on Your Radio
2) Press the chan/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 install the 4 AA alkaline 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.
To talk to others using the radio:
1) Make sure your radio is OFF.
2) Open the battery compartment door by sliding
the catch on the bottom of the radio. Then,
remove the battery holder.
Navigating through the Menu
To access the advanced features of the
GMRS750, your radio has a Menu function.
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.
To transmit the selected call tone, press the call
key. The selected tone will automatically be
transmitted for a fixed length of time.
3) Pull up the tab on the battery holder to open the
battery compartment cover.
LCD Backlight
Normal
CTCSS
VOX Level
Call Tone
Key Lock
Normal
The LCD backlight will automatically turn ON when
any key (except the PTT button or the Power boost
key) is pressed. The LCD display will illuminate for
10 seconds before turning OFF.
Pull up
Channel Scan Feature
2) When you are finished speaking, release the PTT
button.You can now receive incoming calls. While
1-5
off, 1-38
off, 1-4
ON-OFF
Your GMRS750 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 button or the Power
boost key while the Scan is paused on a channel
will allow you to transmit on that channel.
receiving, the
icon will appear on the display.
1) To enter the Menu, press the select/ key.
2) Additional presses of the select/ key will
Monitor Mode Feature
Note: When you press the Power boost key, boost
and tx 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.
Your GMRS750 radio allows you to listen for weak
signals on the current channel at the press of a key.
advance you through the Menu until exiting to
"Normal" operating mode.
4) Install the 4 AA alkaline batteries (included) into
the battery compartment. Be certain to follow the
+ and – symbols in the compartment. Installing
the batteries incorrectly will prevent the unit from
operating.
1
2
3
4
5
6
7
8
9
Antenna
15 Scan Indicator
16 Channel Indicator
17 VOX Indicator
18 Volume Setting Indicator
19 Weather Indicator
20 Weather Alert Indicator
21 GMRS/FRS Indicator
22 Battery Level Meter
23 Keypad Lock Indicator
24 rx (receive) Indicator
3) Other methods of exiting the Menu function are:
a. Press and hold the select/ key again.
b. Press PTT, boost, mon, vol +/–, or call.
c. Wait 10 seconds until the unit automatically
returns to “Normal” mode.
To turn ON the monitor mode:
PTT (Push-To-Talk) Button
Power Boost Key
Select/ (power) Key
Vol (volume) Up Key
Vol (volume) Down Key
WX/Alert Key
• Press the mon key for brief listening, the
icon will blink.
To turn ON channel scanning:
Press and hold either the chan/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.
• Press and hold the mon key for 2 seconds for
continuous listening. The receiver circuit will stay
open, and letting in both the noise & weak
signals.
Voice Operated Transmission/Confirmation Tone
5) Replace the battery compartment cover.
6) Insert the battery holder into the radio until it
clicks.
Call Key
Headset Jack
Your GMRS750 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 (included). Transmission is
initiated by speaking into the remote microphone
Note: Only the Key Lock menu is available when it
is in the Weather Radio Broadcast mode.
To turn OFF channel scanning:
10 Speaker
7) To make sure that the battery pack is secure
after installation, press up on the catch until it
"clicks".
To turn OFF monitor mode:
11 Chan(Channel)/scan + (up) Key 25 tx (transmit) Indicator
12 Chan(Channel)/scan –(down) Key 26 Boost Indicator
Press the select/ , call, the Power boost key,
wx/alert key, or the PTT button.
• Press the mon key to return to "Normal" mode,
and the
13 Mon (monitor) Key
14 Mic
27 Call Indicator
28 CTCSS Indicator
icon stops blinking.
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