Troubleshooting - Lectrosonics duet DCHT Instruction Manual

Symptom:
Transmitter Battery LED off
when Power Switch "ON"
No Transmitter Modulation LEDs
when Signal Should be Present
Receiver Indicates RF But No Audio
Receiver RF Indicator Off
No Sound (Or Low Sound Level), Receiver
Indicates Proper Audio Modulation
Distorted Sound
Wind Noise or Breath "Pops'"
Hiss and Noise -- Audible Dropouts
Rio Rancho, NM
Possible Cause:
1. Batteries are inserted incorrectly.
2. Batteries are low or dead.
1. Gain control turned all the way down.
2. Batteries are inserted incorrectly. Check power LED.
3. Mic capsule is damaged or malfunctioning.
4. Input cable damaged or miswired.
1. Audio source or cable connected to transmitter is defective. Try
using an alternate source or cable.
2. Ensure musical instrument volume control is not set to minimum.
1. Ensure that the transmitter and receiver are set to the same
frequency.
2. Transmitter not turned on, or battery is dead.
3. Receiver antenna missing or improperly positioned.
4. Operating distance is too great.
5. Transmitter may be set to the Standby Mode.
1. Receiver output level set too low.
2. Receiver output is disconnected; cable is defective or miswired.
3. Camera/Recorder/Mixer input is turned down.
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 Camera
Recorder/Mixer input. Adjust output level on receiver to the correct
level for the device it is feeding.
3. RF interference. Reset both transmitter and receiver to a clear
channel. Use scanning function on receiver if available.
1. Reposition microphone, or use a larger windscreen, or both.
2. Omni-directional mics produce less wind noise and breath pops
than directional types.
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. Use scanning function on receiver if available.
Digital Transmitter
21