Hello!
Platform DM8168 dvrrdk3.0; I connect ALARM to alarm 1 pin and ground on board ,external a 12v power supply. run the GUI program , the following figure:
I change all the x of motion, sensor and videoloss to o on the right of figure . in DIO ARARM EABLE set to enable, ARARM TYPE is set to NO or NC . but ALARM is not Triggered .why?
1.How to trigger the alarm?
2.what is the situation of Sensor, motion and videoloss respectively trigger the alarm?
3. what is NO and NC mean?
