Beyerdynamic S 910 Mode D'emploi page 43

9. What to do to avoid feedback
Feedback is caused by your microphone getting too close to a loudspeaker.
We recommend:
• Move away from the loudspeaker.
• Turn the microphone away from the loudspeaker.
10. Trouble shooting
Problem
No function
No RF-indication
at the receiver
Noise/chirping
11. Service
In the unlikely event of equipment failure, the product should be returned to
your beyerdynamic dealer. Unauthorised attempts at repair may invalidate the
warranty.
Possible Cause
• Transmitter and
receiver have different
frequencies
• Insufficient battery
voltage
• Poor battery contact,
battery inserted
incorrectly eingelegt
• Transmission distance
between transmitter
and receiver is too big
• Interference from
other transmitters
• Two transmitters are
on the same frequency
• Battery of the
transmitter is too weak
Solution
• 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
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