Trouble Shooting - Beyerdynamic Opus 800 Notice D'utilisation

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5.

Trouble Shooting

5.1 NE 800 Diversity Receiver
Problem
No function • Power supply is interrupted, power
supply unit is not connected to the mains
and / or to receiver
No reception • Transmitter is not switched on
• Transmitter works on a different
channel
• Defect in the antenna cables with
remote antennae
Distorted sound • Input amplifier of the connected mixer is
overloaded
"CLIP" indication on • Transmitter is overloaded
receiver
No sound, RF-indication • Wrong indication caused by strong
is okay, AF- indication is interference signals
missing during modula- • No microphone connected to TS 800
tion beltpack transmitter
5.2 Handheld and Beltpack Transmitter
Problem
No function • Transmitter and receiver have different
frequencies
• Insufficient battery voltage
• Poor battery contact, battery inserted
incorrectly
No RF-indication at • Transmission distance between transmitter
the receiver and receiver is too great
Noise/chirping • Interference from other transmitters
• Two transmitters are on the same
frequency
• Battery of the transmitter is too weak
46
Possible Cause
• Connect the receiver to AC power
• Switch on the transmitter
• Adjust the correct frequency with the
ACT function
• Check the antenna cables
• Use the gain control of the mixer or
adjust the volume
• Reduce the sensitivity of the
transmitter or increase the distance
between microphone and sound
source.
• Choose another receiving channel
• Connect a suitable microphone
Possible Cause
• Check if transmitter and receiver
have the same frequency
• Replace the batteries or recharge
them, if you use rechargeable
batteries
• Check the battery and insert it again
• Reduce the distance between
transmitter and receiver
• Switch off the other transmitters
• Change the frequency of one
transmitter
• Replace the batteries
Solution
Solution