ABUS HSRM20000 wireless smoke alarm device - Manual (Page 29)

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For installation and attachment, see diagram 
Warning
When marking out the drill holes, make sure there are no electrical wires or
cables, pipes or other important components behind them.
If in doubt, consult an expert before drilling.
If you are fitting the wireless smoke detector in a vehicle (such as a camper or
caravan), you must contact the manufacturer or your local dealer first for
information on the most suitable location.
1. Loosen the wireless smoke detector from the base of the housing by turning it
anticlockwise. Mark the drill holes through the base.
2. Drill the holes, put in the plugs and screw in the base.
3. Insert the battery (see diagram

) and fasten the wireless smoke detector by twisting it
clockwise onto the base. The detector has a safety device that prevents installation
without a battery.
4. If you cannot fasten the wireless smoke detector to the base:
Check whether the battery is correctly inserted and connected.
Operation and function test
The wireless smoke detector is ready for use as soon as you put in the battery.
The smoke detector can be used alone or with other HSRM20000 / RM40 Li
detectors connected wirelessly, offering a greater level of safety.
Under the housing cover there is an indicator lamp which flashes every 30 seconds
to show that the battery is correctly inserted and is delivering enough power to
generate an alarm.
Check the function of the smoke detector at regular intervals. Press the test button
(the lower section of the housing cover) for approx. 1 second. If you hear a signal,