

To connect thetwo wires of the panic button to the two wires (SENSOR IN1 and 12V) from the 24pin I/O cablesof MDVR. Defaulted high voltage trigger is 12V /5V.
SENSOR IN1 and 12V-OUT is for panic button alarm input out of the MDVR 24pin I/O cables.
Enter the menu → Alarm → Sensor → enable the “IO-1” option
It uses the high voltage trigger to linkage the camera channel to enable real-time video pop-out when alarm triggered.