... commands 4.Check working status (such as Control panel's ID, arm/disarm, pre-stored phone numbers, power ... optional)2. Configuration, Adopts all-in-one color LCD clock display and keypad operation to do settings and ... can check its working status (such as Control panel's ID, arm/disarm, pre-stored phone numbers, power ... line is not easy to reach.14. User's PIN code (6-digital password)is required to ...