Troubleshooting

•Turn your transceiver off on board aircraft when requested to do so.

•Do not place your radio in front of a vehicle’s air-bag. If the air-bag deploys, it could propel the transceiver like a projectile causing bodily injury.

Problem	Possible cause	Correction
No transmission	Weak batteries	Charge or replace batteries
while pressing	Incorrect battery polarity	Install the batteries
the PTT Button		following the directions in
		paragraph Installing the
		Batteries.
Weak or no	Weak batteries	Charge or replace batteries
signal received	Channel and privacy	Adjust the transceiver’s
	code not set the same	settings to match those
	as target transceiver	settings of the target
		transceiver
	Volume level too low	Increase volume level
	PTT Button inadvertently	Release PTT Button
	pressed
	Excessive radio interference	Change to a different
	on a particular channel	channel
	Obstruction of radio signal	Avoid operating in or near
		large buildings or vehicles
Unit beeps, but	Batteries extremely	Charge or replace batteries
will not function	discharged
when turned on
Reception of	CTCSS privacy mode	Turn on the CTCSS privacy
unwanted signals	not on	mode and set code number to
		match the setting of the
		target transceiver.
	Interference from	Turn the devices off or move
	electronic devices such as	.farther away from them.
	computers or TVs
	22
		128-7973
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Troubleshooting

Problem

Possible cause

Correction

128-7973