128-xxxx
21 of
21
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.
Weak or no
Weak battery pack
Charge or replace battery
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
depressed
Excessive radio interference
Change to a different
on a particular channel
channel
Obstruction of radio signal
Avoid operating in or near
large buildings or
obstructions
Unit beeps, but
Battery pack extremely
Charge or replace battery
will not function
discharged
pack
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
farther away from them.
as computers or TVs
Problem
Possible cause
Correction
No transmission
Weak battery pack
Charge or replace battery
while pressing
pack
the PTT Button