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How to set the MC-203E electric door lock to open the door with the wireless remote control?

Details of the problem:

Hello, I am a landlord and I bought a MC-203E electric door lock from your company, how to set up and use the wireless remote control? I see the wireless remote has A/B/C/D buttons, are they all door opening functions?

Expert answer:

Hello! Thanks for using our company's products! The functions of these four keys are: (A key to open the door, B key to arm, C key to disarm/unlock, D key to lock).

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