General Instructions For A Safe Operation; Trouble Shooting; Maintenance - Beyerdynamic IMS 900 Bedienungsanleitung

4.

General Instructions for a safe Operation

1. Make sure that transmitter and receiver are on the same frequency.
2. Check the receiver batteries and replace or recharge them if necessary. Use fresh alkaline
batteries only.
5.

Trouble Shooting

TE 900 Receiver
Problem
No function
No reception
No RF-indication
SE 900 Transmitter
Problem
No function
Noise/chirping
6.

Maintenance

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
• Insufficient battery
voltage
• Insufficient battery
contact, battery inserted
incorrectly
• Transmitter is not
switched on
• Receiver works on a
different frequency as
the transmitter
• Distance between
transmitter and receiver
is too far
Possible Cause
• Power supply is interrup-
ted, unit is not connected
to the mains and/or to
the transmitter
• Two transmitters using
the same frequency
Solution
• Replace or recharge the
batteries
• Check the batteries and
insert them again
• Switch on the transmitter
• Make sure the transmitter
and receiver are on the
same frequency
• Reduce the distance
between transmitter and
receiver
Solution
• Connect the power
supply unit to the mains
and/or to the transmitter
• Change the frequency of
one transmitter
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