Trouble Shooting - Beyerdynamic Opus 300 Notice D'utilisation

4.4 What to Do to avoid Feedback
Feedback is caused by your microphone getting too close to a loudspeaker.
We recommend:
• Reduce the volume of the sound system.
• Move away from the loudspeaker.
• Turn the microphone away from the loudspeaker.
5.

Trouble Shooting

5.1 NE 300 Diversity Receiver
Problem
No function
No reception
Distorted sound
No sound, RF-indication
is okay, AF- indication is
missing during modu-
lation
46
Possible Cause
• Power supply is interrupted, power
supply unit is not connected to the mains
and / or to receiver
• Transmitter is not switched on
• Transmitter works on a different
channel
• Defect in the antenna cables with
remote antennae
• Input amplifier of the connected mixer
is overloaded
• Wrong indication caused by strong
interference signals
• No microphone connected to TS 300
beltpack transmitter
Solution
• 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
• Choose another receiving channel
• Connect a suitable microphone