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Battery indicator: When the batteries are at the end of their life, the red
battery indicator flashes once every 15 seconds. The volume of the
acoustic indicator is turned down and can only be turned up again after
the batteries have been replaced.
2-2. Doorbell-pushbutton / Telephone transmitter / Acoustic transmitter
Unlock the locking tab by using a small flat screwdriver. Rotate the moun-
ting bracket and transmitter 90 degrees against each other. Remove the
mounting bracket from the unit.
Rotate the battery cover using a coin. Remove the battery cover and
insert the included CR2032 battery into battery compartment provided.
Please ensure correct polarity of the battery. Insert the battery cover and
lock it, using the coin again. Reattach the transmitter to the mounting
bracket.
Battery indicator: If the transmitter battery reaches a low level, a warning
signal is sent to the receiver. The respective symbol (green or oran-
ge) then flashes on the receiver once every 15 seconds. Replace the
transmitter's button cell as soon as possible.
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