Lectrosonics LMa User Manual download pdf (Page 16)

LMa

LECTROSONICS, INC.

Troubleshooting

It is important that you follow these steps in the sequence listed.

Symptom: Possible Cause:

Transmitter Battery LED off 1. Battery is inserted backwards.

when Power Switch “ON” 2. Battery is dead.

No Transmitter Modulation LEDs 1. Gain control turned all the way down.

when Signal Should be Present 2. Battery is in backwards. Check power LED.

3. Mic capsule is damaged or malfunctioning.

4. Mic cable damaged or miswired.

5. Instrument Cable damaged or not plugged in.

6. Musical instrument output level set too low.

Receiver Indicates RF But No Audio 1. Audio source or cable connected to transmitter is defective. Try

using an alternate source or cable.

2. Make sure the compatibility mode is the same on transmitter and

receiver.

3. Ensure musical instrument volume control is not set to minimum.

Receiver RF Indicator Off 1. Ensure that the transmitter and receiver Frequency Select

Switches are set to the same frequency.

2. Transmitter not turned on, or battery is dead.

3. Receiver antenna missing or improperly positioned.

4. Transmitter and receiver not on same frequency.

Check switches/display on transmitter and receiver.

5. Operating distance is too great.

No Sound (Or Low Sound Level), Receiver 1. Receiver output level set too low.

Indicates Proper Audio Modulation 2. Receiver output is disconnected; cable is defective or miswired.

3. Sound system or recorder input is turned down.

Distorted Sound 1. Transmitter gain (audio level) is too high. Check Modulation

LEDs on transmitter and receiver while distortion is being heard.

2. Receiver output level 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. Transmitter and receiver may not be set to the same compatibility

mode. Some mis-matched combinations will pass audio.

4. RF interference. Reset both transmitter and receiver to a clear

channel.

Wind Noise or Breath “Pops’” 1. Reposition microphone, or use a larger windscreen, or both.

2. Omni-directional mics produce less wind noise and breath pops

than directional types.

Hiss and Noise -- Audible Dropouts 1. Transmitter gain (audio level) far too low.

2. Receiver antenna missing or obstructed.

3. Operating distance too great.

4. RF interference. Reset both transmitter and receiver to a

clear channel.

5. Musical instrument volume set too low.

ExcessiveFeedback(WithMicrophone) 1. Transmitter gain (audio level) too high. Check gain adjustment

and/or reduce receiver output level.

2. Microphone too close to speaker system.

3. Microphone is too far from user’s mouth.

1 2 ... 11 12 13 14 15 16 17 18 19 20

Comments to this Manuals

No comments

Lectrosonics LMa User Manual Page 16

Comments to this Manuals

Related products and manuals for Accessories communication Lectrosonics LMa