86 Troubleshooting
When your radio won’t turn on
If the red, green and amber LEDs on the control head do
not light up when the radio is turned on, it is probable
that power is not reaching the radio. Check the
following:
■ Is the power connector firmly plugged into the rear
of the radio?
■ Are the in-line fuses in good condition?
■ Is the power cable securely connected to the vehicle
battery or power supply?
If all appears to be in order, but your radio still fails to
operate properly, contact your radio provider for further
assistance.
Identifying the radio’s audible tones
The radio’s audible tones can help you identify a
potential problem:
Audible tone Meaning
One short, high-
pitched beep
The radio has been made inoperable
(‘stunned’ or ‘inhibited’) by your service
provider.
Two short beeps The radio has been made operable
(‘revived’ or ‘uninhibited’) by your service
provider.
Two low-pitched
beeps
The radio’s temperature is high. (The radio
will continue to operate.)
Two high-pitched
beeps
The radio’s temperature is in the very high
range and all calls will now be at low
power. If the radio’s temperature rises
above this range, calls will be inhibited.
Turn off the radio and allow it to cool
down.
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