Sennheiser EK 300 IEM Instruction Manual download pdf (Page 22)

7 Troubleshooting

Error checklist

Problem Possible cause

No operation indication  Batteries are flat

 No mains connection

No RF signal  Transmission frequency is not the

same as the receiving frequency

 Transmitter is out of range

RF signal available  Receiver’s squelch threshold

but no audio signal adjusted too high

Audio signal has a high  Transmitter sensitivity adjusted too

level of background noise low

Audio signal distorted  Transmitter sensitivity adjusted too

high

 Receiver’s AF output level adjusted

too high

씰 If problems occur that are not listed in the above table, please contact

your local Sennheiser agent for assistence.

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Sennheiser EK 300 IEM Instruction Manual Page 22