8
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
LED NOT LIT
•
Battery not installed or depleted
•
Power switch not on.
NO SOUND IN HEADPHONE
•
AUDIO LEVEL turned all the way down.
•
Headphone plug not inserted fully.
•
Defective headphone
•
Transmitter not operating. (See separate transmitter manual.)
•
Receiver not on the same frequency as the transmitter. Refer to
“
Programming - Add a New Frequency
”
on page 7.
DISTORTED SOUND
•
Transmitter gain (audio level) is far too high. Check mod level lamps
on transmitter as it is being used. (Refer to Operating
Instructions section in the transmitter manual for details on gain
adjustment.)
•
Receiver output may be mismatched with the headset or
earphone. Adjust Audio Level on receiver to the correct level
for the headset or earphone.
•
Excessive wind noise or breath
“
pops.
”
Reposition microphone
and/or use a larger windscreen.
•
Receiver may be tuned to an intermod. Reprogram the receiver.
HISS AND NOISE,
•
Transmitter gain (audio level) far too low.
AUDIBLE DROPOUTS
•
Receiver antenna missing or obstructed. (Headphone cable is
the antenna.)
•
Transmitter antenna missing or obstructed.
•
Operating range too great.
SHORT RANGE
•
Receiver earphone cable is also the antenna. Make sure the cable
is not coiled or wound up or wrapped around the receiver case.
•
Improper transmitter antenna.
