Lectrosonics UH200d User Manual download pdf (Page 8)

SYMPTOM POSSIBLE CAUSE

RECEIVER RF LAMP OFF 1. Transmitter not turned on.

2. Transmitter battery is dead.

3. Receiver antenna missing or improperly positioned.

4. Transmitter and receiver not on same frequency.

display on transmitter and receiver.

Check switches/

5. Operating range is too great.

NO SOUND (OR LOW SOUND LEVEL),

RECEIVER MOD LEVEL LEDs ARE ON 1. Receiver output level set too low.

2. Receiver output is disconnected; cable is defective or mis-wired.

3. Sound system input is turned down.

NO SOUND (OR LOW SOUND LEVEL),

RECEIVER MOD LEDs ARE OFF 1. Transmitter gain (audio level) set too low.

2. Faulty microphone

3. Phantom power not enabled for mic that requires it.

DISTORTED SOUND 1. Transmitter gain (audio level) is far too high. Check mod level

lamps on transmitter and receiver as it is being used. (Refer to

the Operating Instructions section for details on gain adjustment)

2. Receiver output may be mismatched with the sound system or

recorder input. Adjust output level on receiver to the correct level

for the recorder, mixer or sound system.

3. Excessive wind noise or breath “pops.”

and/or use a larger windscreen.

Reposition microphone

4. Transmitter is not set to same frequency as receiver. Check that

frequency select switches on receiver and transmitter match.

HISS AND NOISE – AUDIBLE DROPOUTS 1. Transmitter gain (audio level) far too low.

2. Receiver antenna missing or obstructed.

3. Operating range too great.

EXCESSIVE FEEDBACK 1. Transmitter gain (audio level) too high causing the limiter to reduce

the dynamic range which in turn causes feedback. Check gain

adjustment and/or reduce receiver output level. (Refer to the

Operating Instructions section for details on gain adjustment)

2. Transmitter too close to speaker system.

3. Mic is too far from user’s mouth.

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Lectrosonics UH200d User Manual Page 8