2
QUICK REFERENCE
Press and hold the key to turn the radio ON or OFF.
Rotate the
VOL
knob to adjust the speaker audio volume.
Rotate the
SQL
knob clockwise to squelch or counterclockwise to
un-squelch the radio.
Rotate the
DIAL
knob (or press the microphone
▲
/
▼
keys) to select the
operating channel.
Press the
H/L
key to toggle the transmit power between High (25W) and
Low (1W).
Press the
16/S
key on the radio or the microphone to select channel 16.
Press and hold the
16/S
key on the radio or the microphone to select sub
channel. Press the
16/S
key again to revert to the previously selected
channel.
To transmit: place the microphone about 2 cm away from your mouth and
speak in a normal voice level while pressing the
PTT
switch.
Summary of Contents for GX2400GPS
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