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CB Radio / ICOM System
Push-to-Talk (PTT)
Press and hold the top
or bottom of the PTT
button to transmit over
CB radio. The passen-
ger must push and
hold the PTT button
on the headset con-
trols.
Tip: PTT will activate the intercom when the
intercom is turned on and the CB is turned
off.
“TX” will display on the console screen
when one of the PTT buttons is pressed.
“RX” will display when the CB is receiving
a transmission.
Squelch
Squelch blocks unde-
sired signals and
noise by allowing the
reception of signals
only over a specified
level.
Press and release the SQ (+) or SQ (-) but-
tons to adjust the squelch to any level
between OPEN and CLOSED.
When squelch is set to OPEN, no filtering
occurs. Setting squelch to CLOSED blocks
all signals, including strong signals.
To set the squelch level, first lower the
squelch level until noise or static is audible.
Gradually increase the squelch level until
the noise or static is gone.
Driver CB Radio Volume
To change settings, enter the mode menu.
Press TUNE (+) or TUNE (-) to adjust
settings.
Tip: The CB volume can also be set using the
hand control when the CB is receiving.
Passenger CB Radio Volume
The passenger can control
rear headset volume when
Entertainment, CB radio or
ICOM is active.
Press (+) or (-) on the headset
control to raise or lower vol-
ume.
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