25
Cleaning the Set 840 S system
To switch the acoustic signals on and off:
Cleaning the Set 840 S system
Cleaning the transmitter and the receiver
왘
Before cleaning, disconnect the transmitter from the
mains.
왘
Use only a slightly damp cloth to clean the devices.
왘
Press the channel search
button
6
on the receiver for
approx. 5 seconds.
You hear a short acoustic
signal.
Warning signals cannot be switched off.
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.
왘
Keep all liquids far away from the devices.
왘
Do not use any cleansing agents or
solvents.
6
