®
Model GXT-400
Page 8
www.midlandradio.com
OPERATIONS
POWER ON/OFF AND VOLUME :
Rotate the
POWER/VOLUME
[11] knob clockwise to turn the radio on
and increase the volume level. Rotate it counter-clockwise to reduce
the volume level and turn the radio off (after you hear the click sound).
During Power On, the radio will beep 3 times with different tones, the
LCD will display a “
self-test
” message for 1 second, the LCD Display
will indicate the last channel selected.
TRANSMISSION AND RECEPTION :
To communicate, all radios in your group must be set to the same
channel and CTCSS Code.
· For maximum clarity, hold the radio 2 to 3 inches from your mouth.
· Press and hold the
PTT
[12] button and speak in a normal voice
into the microphone. The
TX
[2] icon will appear continuously on
the LCD Display when transmitting.
· To receive a signal, release the
PTT
[12] button. The
RX
[5] icon
will appear on the display when your radio is receiving a
transmission.
Note : The maximum communication range will vary depending
on the terrain and environment.
MONITOR FUNCTION :
Pressing and holding the
MONITOR
[19] button for 1 second will let
you hear noise so you can adjust the volume level of the radio when
not receiving a signal. This should be used to check activity on current
channel before transmitting. Repeat the same procedure to exit.
SCAN FUNCTION :
Your GXT-400 can scan all of the 22 channel to observe for any
activity. To enter, quickly press the
SCAN
[19] button. Repeat the
same procedure to exit.
Your radio will rapidly scan each of the 22 channels and stop on any
active channel for 5 seconds before resuming scan.
When you press the
PTT
[12] button to transmit on an active channel,
the scanning function will stop and remain on the active channel. To
resume scanning, quickly press the
SCAN
button [19].
