25 Safety instructions
Never open electronic devices! Servicing and programming must only be done by authorised personnel and is all the more important for current- carrying units. If devices are opened by customers in breach of this instruction, the warranty becomes null and void.
Keep the receiver away from central heating radiators and electric heaters.
Use a damp cloth for cleaning the receiver. Do not use any cleansing agents or solvents.
26 Error messages
The display of the receiver is also used by the integrated microprocessor to display error messages for service purposes. If you see error messages such as „EE_DEF“ or „rS_232“, there is a fault in the receiver unit which can only be corrected by your local Sennheiser service department.
27 Error checklist |
|
Error | Possible cause |
Receiver does not work; | Check the camcorder’s power supply; |
display panel dark | if necessary, switch power supply on |
| separately |
Receiver does not work; | Frequency of transmitter does not agree |
display panel lit up | with receiving frequency |
| Squelch threshold adjusted too high |
Sound distorted | Transmission microphone over- |
| modulated; reduce AF level or |
| transmitter sensitivity |
Sound overlaid with | Transmitter not sensitive enough; |
background noise | where appropriate, increase transmitter |
| sensitivity |
48
