Rugged Radios GMR25 User Manual

GMR25 MOBILE RADIO
USER GUIDE
TRANSMIT POWER
INDICATOR BUTTON
MON
CHANNEL

SETTINGS

ANTENNA

LOCK

Push and hold [ ] to lock/unlock the radio.

MONITOR

Hold [MONI] to temporarily change the squelch to zero allowing
you to hear very weak signals.
SETTINGS
Push and hold the [ ] to access the Function settings.

TONE CODE MODE

Short press [TC] enters tone code mode. Long press [TC] to select
RX/TX tone codes.

SCAN MODE

Short press [SC] to scan channels.
GMR25 MOBILE RADIO
LOCK
MONITOR
TONE CODE VOLUME
MODE KNOB
SC
A/B
SCAN A/B

MIC PORT

MODE CHANNEL
SELECT
EXTERNAL PROGRAMMING
SPEAKER PORT PORT

RADIO FUNCTIONS

A/B CHANNEL SELECT

Push [A/B] to change between top and bottom channel bank.

CHANNEL KNOB

Turn to change channels.

VOLUME KNOB

Turn clockwise to raise volume, counterclockwise to lower volume.

TRANSMIT INDICATOR

Indicator light will turn red when transmitting.
MIC PORT
If connecting to intercom, do not connect hand mic.
PUSH-TO-TALK
[PTT]
USER GUIDE | VERSION 1.1.0 | APRIL 2021
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