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b. Please connect the G & DI pin to the external trigger device.
If you select "N.O" in "Input sensor setting", when external devise or circuit makes DI and GND
pin connected, the camera input alarm is triggered, and then camera will execute the action
user has set, for example, send snapshot to E-mail address.
If you select "N.C" in "Input sensor setting", when external devise or circuit makes DI and GND
pin disconnected, the camera input alarm is triggered, and then camera will execute the action
user has set, for example, send snapshot to E-mail address.