Cleaning the Set 840 S system

To switch the acoustic signals on and off:

￿ Press the channel search

6

button 6 on the receiver for

 

approx. 5 seconds.

 

You hear a short acoustic signal.

Warning signals cannot be switched off.

Cleaning the Set 840 S system

Cleaning the transmitter and the receiver

CAUTION! Danger of electric shock and damage to the device electronics!

Liquids entering the housing of the devices can cause a short-circuit and damage the electronics.

￿Keep all liquids far away from the devices.

￿Do not use any cleansing agents or solvents.

￿Before cleaning, disconnect the transmitter from the mains.

￿Use only a slightly damp cloth to clean the devices.

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