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9. Operation
a) Switching the radio gong on and off
• The radio gong is to be switched on by moving the slide
switch of the left side of the device upwards.
• It can be switched off by moving the slide switch downwards.
b) Setting the volume
• Remove the upper part of the housing after having pushed
in the two lateral locking noses.
• Set the volume by using a small slot-head screwdriver.
screwing to the right:
higher volume
screwing to the left:
lower volume
Test the setting by pressing the appropriate bell key button
at the code lock.
• Put the upper part of the housing again onto the unit and
ensure that it engages into the locking noses of the lower
part of the housing.