Uniden GMRS750 User Manual

UT896ZH (GMRS750)-0625 6/25/03 11:14 AM Page 1
GMRS750 Congratulations on your purchase of the Uniden
GMRS750 (General Mobile Radio Service) radio.
This product is a lightweight, palm-sized radio.
• Power Boost key for Maximum • Transmit Confirmation
Use it at sporting events to stay in contact with
Range Tone
family and friends, hiking, skiing, outdoors, or in
• 38 CTCSS Codes • Headset Jack
a neighborhood watch for vital communication.
• Up to 7 Mile Range* • Battery Level Meter
This compact, state-of-the-art device is equipped
• 7 FRS/GMRS, 7 FRS, 8 GMRS • Channel Monitor
with many features.
• Internal VOX Circuitry • Channel Scan
• 5 Selectable Call Tone Alerts • Keypad Lock
• Backlit LCD Display • 7 Emergency / Weather
• Headset Accessory Channels
• 4 DuraCell Ultra "AA" Alkaline • Emergency / Weather
Batteries included Alert
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:
www.fcc.gov/wtb/uls or call the FCC hotline at
1-800-418-3676. If you have any questions you
The Uniden GMRS750 Radio meets the stringent JIS4 waterproof specification.
can contact the FCC direct at 1-888-225-5322.
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.
Note: GMRS750 meets JIS4 requirements.
* Range may vary depending on environmental and/or topographical conditions.
Your GMRS750 radio uses 4 AA alkaline batteries.
GMRS750 RADIO
If alkaline batteries are used, we recommend using
high quality alkaline batteries.
To install the 4 AA alkaline batteries:
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.
3) Pull up the tab on the battery holder to open the
battery compartment cover.
1 Antenna 15 Scan Indicator 4) Install the 4 AA alkaline batteries (included) into
2 PTT (Push-To-Talk) Button 16 Channel Indicator
the battery compartment. Be certain to follow the
3 Power Boost Key 17 VOX Indicator
+ and – symbols in the compartment. Installing
4 Select/ (power) Key 18 Volume Setting Indicator
the batteries incorrectly will prevent the unit from
5 Vol (volume) Up Key 19 Weather Indicator
operating.
6 Vol (volume) Down Key 20 Weather Alert Indicator
5) Replace the battery compartment cover.
7 WX/Alert Key 21 GMRS/FRS Indicator
6) Insert the battery holder into the radio until it
8 Call Key 22 Battery Level Meter
9 Headset Jack 23 Keypad Lock Indicator clicks.
24 rx (receive) Indicator
10 Speaker 7) To make sure that the battery pack is secure
11 Chan(Channel)/scan + (up) Key 25 tx (transmit) Indicator
after installation, press up on the catch until it
12 Chan(Channel ) /scan – (down) Key 26 Boost Indicator
"clicks".
13 Mon (monitor) Key 27 Call Indicator
14 Mic 28 CTCSS Indicator
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 low, the battery level meter
icon will flash. Replace the alkaline
batteries immediately.
FCC GMRS LICENSE 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 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.
2) Press and hold the select/ key again to turn
the unit OFF.
INSTALL THE BATTERIES
Adjusting the Sound (Key Beeps)
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.
Navigating through the Menu
To access the advanced features of the
GMRS750, your radio has a Menu function.
Normal CTCSS VOX Level Call Tone Key Lock Normal
Pull up
1-5
off, 1-38 off, 1-4 ON-OFF
1) To enter the Menu, press the select/ key.
2) Additional presses of the select/ 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 select/ key again.
b. Press PTT, boost, mon, vol +/–, or call.
c. Wait 10 seconds until the unit automatically
returns to "Normal" mode.
Note: Only the Key Lock menu is available when it
is in the Weather Radio Broadcast mode.
Choosing a Channel instead of pushing the PTT button. A beep tone will
be heard to indicate the transmission has stopped.
Your radio has 22 channels and 38 CTCSS codes
Note: When the VOX feature is enabled ,the
you can use to talk to others. In order to speak to
GMRS750 will emit a confirmation tone to indicate
someone, each of you must be set to the same
the end of transmission. While the Headset jack
channel and CTCSS code.
cover is open, it does not meet JIS4 waterproof.
To choose a channel:
To select the VOX level:
With the radio in "Normal" operating mode press
1) Enter the Menu. Advance through the Menu until
the chan/scan + or – key to increase or decrease
the vox icon appears on the display. The current
the channel number displayed.
level (off, 1-4) will be indicated. Level
Note: FRS Channels 8-14 have an expectancy
disables VOX, while levels -
range of up to 2 miles. GMRS channels 1-7, 15-22 set the sensitivity of the VOX circuit.
have an expectancy range of up to 5 miles and up 2) Press either the chan/scan + or – key to the
to 7 miles by pressing the Power boost key.
desired VOX sensitivity level. Use level 4 for
increased sensitivity to voice in normally quiet
Choosing a CTCSS Code
environments, and use a lower level to reduce
undesired activation in very noisy environments.
Each of the channels 1-22 may have any one of
3) Exit the Menu.
the codes, OFF or 1-38 selected. Code
indicates no CTCSS code selected and your radio
Transmitting a Call Tone
can receive a signal regardless of the code settings
of the transmitting radio.
Your GMRS750 radio is equipped with 5 selectable
call tones that will be transmitted when the call key
1) Enter the Menu. The CTCSS code on the LCD
is pressed.
display will flash.
To select a call tone:
2) Press the chan/scan + or – key to increase or
decrease the code number displayed. You can 1) Enter the Menu. Advance through the Menu until
also select (off) at this stage. the call icon is shown on the display. The
3) Exit the Menu to return to "Normal" mode. current call tone number ( - ) will be
indicated.
Talking on Your Radio 2) Press the chan/scan + or – key to increase or
decrease the number to the desired call tone.
To talk to others using the radio:
Each tone will be heard through the speaker.
1) Press and hold the PTT button and speak in a
3) Exit the Menu.
clear, normal voice about 2-3 inches away from
the microphone. While you are transmitting, the
To transmit the selected call tone, press the call
icon will appear on the display. To avoid key. The selected tone will automatically be
cutting off the first part of your transmission, transmitted for a fixed length of time.
pause slightly after pressing the PTT button
before you start talking. Channel Scan Feature
2) When you are finished speaking, release the PTT
Your GMRS750 radio has a channel Scan feature
button. You can now receive incoming calls. While
that allows you to easily Scan all 22 channels.
receiving, the icon will appear on the display.
When an active channel is detected, the unit will
pause on that channel until the channel is clear.
Note: When you press the Power boost key, boost
Then after a 2 second delay, the unit will continue
and tx icon appear on the display. The radio will
scanning. Pressing the PTT button or the Power
transmit Maximum Power when a GMRS channel is
boost key while the Scan is paused on a channel
selected. After one minute past when the boost
will allow you to transmit on that channel.
transmission is established, the transmission stops
automatically, and you will hear a boost time out To turn ON channel scanning:
error tone.
Press and hold either the chan/scan + or – key
until the scan icon is displayed. The channel
Voice Operated Transmission/Confirmation Tone
number on the display will change as the radio
Your GMRS750 radio is equipped with a user rapidly cycles through the channels.
selectable Voice Operated Transmitter (VOX) that
To turn OFF channel scanning:
can be used for automatic voice transmissions. The
VOX feature is designed to be used with a headset Press the select/ , call, the Power boost key,
with a microphone (included). Transmission is wx/alert key, or the PTT button.
initiated by speaking into the remote microphone
Keypad Lock
To Lock the keypad:
1) Enter the Menu. Advance through the Menu until
the Keypad Lock icon 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 chan/scan + key.
3) To confirm the setting, press the select/ key.
The radio returns to the "Normal" mode.
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.
To Unlock the keypad:
1) Press and hold the select/ key to turn the unit
OFF.
2) Press and hold the select/ key again to turn
the unit ON. The keypad is unlocked.
Note: Key Lock is automatically canceled when WX
alert is decoded.
Automatic Power Save Feature
Your GMRS750 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 the PTT button or the Power boost
key) is pressed. The LCD display will illuminate for
10 seconds before turning OFF.
Monitor Mode Feature
Your GMRS750 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 the mon key for brief listening, the
icon will blink.
• 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.
To turn OFF monitor mode:
• Press the mon key to return to "Normal" mode,
and the icon stops blinking.