RELAY OUTPUT: Relay output can be connected to external sounding device orwarning device.Two Types (NO/ NC) of Relay Output Setup:ON: Relay output enabled.OFF: Relay output disabled.PERIOD: Duration time of the relay output.Relay output event includes the following:1. VIDEO LOSS: Triggered by video loss.2. MOTION DETECTION: Triggered by motion detection.3. ALARM: Triggered by external alarm.7.8.4 ALARM INPUTA L A R M I N P U T S E T U P -AL 1 1 1 1 1 1 1C H L 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6O O O O O O O O O O O O O O O O O[ D E F A U L T ]: E A C H: D I S A B L E O : N O C : N CSensor TypeNC Normal Close Alarm ( TTL level input )Setup NC (Normal Close), the alarm will be triggered during NC status.NO Normal Open Alarm ( TTL level input )Setup NO (Normal Open), the alarm will be triggered during NO status.ALL+ (EACH): Alarm input can be individually setup to NC or NO.- (DISABLE): Disable all alarm input function.C: All alarm input is setup to NC.O: All alarm input is setup to NO.27