Troubleshooting - Lectrosonics UT Instruction Manual

UCR100

Troubleshooting

Before going through the following chart, be sure that you have a good battery in the receiver.
The POWER LED should glow brightly.
SYMPTOM
NO POWER LED
NO RF LED
RF LED ON BUT NO SOUND AND NO MODULATION LEDs
MODULATION LED's ON BUT NO SOUND
DISTORTED SOUND
SHORT RANGE
HISS AND NOISE -- AUDIBLE DROPOUTS
HISS AND NOISE – PUMPING
8
POSSIBLE CAUSE
1) Receiver switch in "OFF" position
2) Dead or weak battery
3) Battery missing
4) Battery installed backwards
1) Transmitter not turned on
2) Transmitter battery dead
3) No microphone on the transmitter
4) Receiver antenna positioned incorrectly
5) Transmitter and Receiver on different frequencies
(FREQUENCY switches do not match transmitter switches)
1) Transmitter audio level set to low
2) Transmitter microphone not connected
3) Microphone switch in "OFF" position
4) Check transmitter modulation LEDs for possible transmitter problem
1) Receiver LEVEL control turned down
2) Audio cable disconnected
3) Recorder or sound system off or not properly adjusted
1) Transmitter Audio Level set too high
(check mod lamps on Transmitter)
2) Weak battery
1) Transmitter or receiver antenna not clear of obstructions
1) Transmitter gain (audio level) far too low.
2) Receiver antenna obstructed or damaged.
3) Transmitter antenna obstructed or damaged.
4) Operating range too great.
1) Camera or recorder has automatic level control. Use line level input
on camera or recorder. If there is only a mic input, reduce the receiver
output to near minimum.
LECTROSONICS, INC.