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5 Installation
5.1 Replacing the battery
Background Information
The battery has been installed when leaving the factory, and the door detector can be used directly.
If the battery is dead, you need to replace the battery.
Procedure
Step 1 Open the back cover of the door detector.
Figure 5-1 Open the back cover
Step 2 Replace the battery.
When replacing the battery, make sure that the side marked with "＋" faces the back
cover of the devices.
Figure 5-2 Replace the battery
Step 3 Close the back cover of the door detector.
Figure 5-3 Close the back cover
User’s Manual
8
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