Lectrosonics R175 User Manual download pdf (Page 6)

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.

RECEIVER CODE 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) Transmitter and receiver do not have the same internal

code. Check labels on transmitter and receiver.

5) Operating range is too great.

NO SOUND BUT RECEIVER MOD

LEVEL LEDs ARE ON 1) Receiver audio output is disconnected or cable is

defective or mis-wired.

2) Sound system or recorder input is turned down.

DISTORTED SOUND 1) Transmitter gain (MIC LEVEL) is too high. Speak or

sing into the transmitter and check mod level lamps

on the receiver.

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

system or recorder input.

3) Excessive wind noise or breath “pops.” Use windscreen

or re-position the microphone.

HISS AND NOISE - AUDIBLE DROPOUTS 1) Transmitter gain (MIC 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) Microphone too close to speaker system.

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

REPLACEMENT PARTS and ACCESSORIES

Part No. Description

CH-12 110 Volt AC adapter for receiver

A-185BNC Telescoping, swivel-mount antenna with BNC plug

A-185COAX Remote folded dipole coaxial antenna for VHF receivers

A-170AC Straight whip antenna with BNC plug

A-200 Dipole antenna with dual whips & aluminum base

M119-MICRO Lavalier microphone, omni-directional pattern

M140-MICRO Lavalier microphone, cardioid pattern

M150-MICRO Lavalier microphone, omni-directional pattern with added high

frequency response

1 2 3 4 5 6 7 8 9 10

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Lectrosonics R175 User Manual Page 6

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