Lectrosonics R1a - Manual (Page 8)

R1a
LECTROSONICS, INC. 8
Troubleshooting
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 6.
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, AUDIBLE DROPOUTS • Transmitter gain (audio level) far too low.
• Receiver antenna missing or obstructed.
(Headphone cable is the antenna.)
• Transmitter antenna missing or obstructed.
• Operating range too great.
• Transmitter antenna obstructed
• Receiver antenna (headset cord) may need to be repositioned for a
line of sight to transmitter antenna
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.
KNOB DOES NOT CHANGE FREQUENCIES NOR START SCANNING
• Check to see if the knob function has been changed - see page 9.
Possible Cause Symptom