GB 17
Transmitter:
Remove the holder
13
from the
back of the transmitter.
Open the battery compartment
12
by turning the battery compartment
cover anticlockwise.
Insert a battery (3 V (direct
current), type CR 2032). The side
marked “+” must face upwards.
Place the battery compartment cover
on the battery compartment
12
and
tighten it by turning it clockwise.
Fasten the holder
13
of the transmitter
back on to the back of the transmitter.
Operation
Synchronising
transmitter / receiver
The product works on 434 MHz which
is a quite common frequency.
To ensure that the function gets no influ-
enced by doorbells in the neighborhood,
the transmitter and the receiver hence
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