Lectrosonics SR170AC User Manual download pdf (Page 7)

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) External LED is turned off. Check internal slide

switch.

2) Battery is inserted backwards.

3) Battery is dead.

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

2) Battery is in backwards. Check power LED.

3) Mic capsule is damaged or malfunctioning.

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.

Check labels on transmitter and receiver.

5) Operating range is too great.

NO SOUND AND RECEIVER MOD

LEVEL LEDs ARE OFF 1) Transmitter audio muted. Check to see that the audio

is not muted on your transmitter, if this feature is

available on your model transmitter.

NO SOUND BUT RECEIVER MOD

LEVEL LEDs ARE ON 1) Receiver audio is muted. Refer to receiver manual.

2) Receiver audio output is disconnected or cable is

defective or mis-wired.

3) Sound system or recorder input is turned down.

DISTORTED SOUND 1) Transmitter gain (audio level) is too high. Speak or

sing into the transmitter and check mod level lamps

on transmitter and receiver.

2) Receiver output may be mis-matched with the sound

system or recorder input.

3) Excessive wind noise or breath "pops."

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

2) Receiver antenna missing or obstructed.

3) Operating range too great.

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

adjustment and/or reduce receiver output.

2) Transmitter too close to speaker system.

3) Transmitter too far from the user’s mouth.

REPLACEMENT PARTS and ACCESSORIES

Part No. Description

CH-12 110 Volt AC adapter for SR170AC receiver

A-185BNC Telescoping, swivel-mount antenna

1 2 3 4 5 6 7 8 9 10

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Lectrosonics SR170AC User Manual Page 7

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