Dahua DHI-ARA3000H-FW2 User Manual page 18

6. Fix the alarm hub and mounting plate with M3 × 8 mm countersunk head screws.
Configuring the Hub
Configure the hub on the COS Pro and DMSS app. For details, see "4.6.2 Device Basic Configurations".
Arming the Alarm System
You can use the keypad, keyfob and app to arm your system. After an arming command is sent to
the COS Pro and DMSS app, the system will check the status of the system. If the system has a fault,
you will need to choose whether to force arm it. For details on arming and disarming the system, see
"6 General Operations". For details on accessories, see the user's manual of the corresponding
device.
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User's Manual