Instruction manual

9
6. TROUBLESHOOTING
If the Audio Control Panel seems to be malfunctioning, please check to be sure power is turned
on to the Operating Position, the Audio Control Panel, and the transceiver / receiver you wish to
use. If the Panel still does not work, try the following before reporting a malfunction.
PROBLEM PROBABLE CAUSE SOLUTION
REF.
At least 1 LED is not lit Dim control turned
down
Rotate Dim control clockwise
No speaker or phones
audio
“Speaker” / “phones”
switch is in the center
off position
Panel volume control
set too low or is not
selected
Transceiver volume
control is set too low
Select “speaker” or “phones”
Select desired transceiver and set volume
control to 9 o’clock position
Set receiver/transceiver volume per
Section 5.
Activity LEDs do not
flicker with audio input
when transceiver /
receiver is NOT
selected
Transceiver volume
control is set too low
Set receiver/transceiver volume per
Section 5.
Audio is distorted Transceiver volume set
too high
Set Receiver/transceiver volume per
Section 5.
No Microphone audio
indicated on Mic Level
LED
Speaking too softly into
microphone
Microphone selector
switch is in the center
off position
System is in the ICS
mode
Speak up
Select either “boom” or “headset” as
desired
This is normal in the ICS mode. Push in
the ICS knob if mode is not desired
ICS LED is blinking
and there is a pulsating
tone in the headphones
You are being called by
another operator
Pull ICS knob out to select ICS mode
Pressing the PTT switch
does not key the
transmitter
A PTT switch is not
connected to the Jack
Panel
The desired transceiver
is not selected
Plug in a PTT switch to one of the three
jacks available on the Jack Panel
Select the desired transceiver with the
TRANSMIT selector switch
The ICS system does
not work
DC Power to operating
position 1 is not turned
on.
Turn on the DC power to operating
position 1. This powers the ICS J-Box.