Lectrosonics UM100 Bedienungsanleitung PDF herunterladen (Seite 13)

Multi-frequency UHF Belt-Pack Transmitter

TROUBLESHOOTING

Before going through the following chart, be sure that you have a good battery in the transmitter. It is important that

you follow these steps in the sequence listed.

SYMPTOM POSSIBLE CAUSE

TRANSMITTER BATTERY LED OFF 1) Battery is inserted backwards.

2) Battery is dead.

NO TRANSMITTER MODULATION LEDs 1) Gain control turned all the way down.

2) Transmitter battery is dead. Check power LED.

3) Mic capsule is damaged or malfunctioning.

4) Mic cable damaged or mis-wired.

RECEIVER RF LAMP OFF 1) Transmitter not turned on.

2) Transmitter battery is dead.

3) Receiver antenna improperly positioned.

4) Transmitter and receiver not on same frequency. Check

switches/display on transmitter and receiver.

5) Operating range is too great.

6) Transmitter antenna not positioned properly.

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 or recorder input is turned down.

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 pages 8/9 for details on gain adjustment)

2) Receiver output may be mis-matched 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.” Re-position

microphone and/or use a larger windscreen.

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 obstructed or damaged.

3) Transmitter antenna obstructed or damaged.

4) Operating range too great.

HISS AND NOISE – PUMPING 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.

EXCESSIVE FEEDBACK 1) Transmitter gain (audio level) too high. Check gain

adjustment and/or reduce receiver output level.

2) Transmitter too close to speaker system.

3) Mic is too far from user’s mouth.

Rio Rancho, NM – USA

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