76 TruVision DVR 40 User ManualWhen setting up the alarm relay output, you need to set the alarm output time delay. This delay is thetime that the alarm output continues after the alarm itself has been deactivated. Consequently theactual alarm output time consists of the alarm input time and alarm output time delay.External alarm inputTo setup an external alarm input1. In the Alarms menu go to the Alarm Input list box and select one of the alarm inputs listed.2. Go to the Input Type list box and press F1 or left-click the mouse. Depending on the sensor type,select either NO or NC. Default is NO.3. Select the Alarm check box and press Enter or left-click the mouse to enable () the selectedalarm input. If the alarm input is enabled, the Rules and PTZ Link setup buttons become activated.4. To set the alarm schedulea. In the Alarms menu go to the Rules setup button and press Enter or left-click the mouse. TheAlarm Input Rules submenu appears.b. Select the cameras from which you want to record an alarm input. Press Enter or left-click themouse to enable () or to disable the camera channel.Caution: For a channel to be able to record an alarm, the recording option and the recordtype must first be enabled in the Record Schedule menu, such as Alarm or one of the otheroptions available. See“To setup a camera’s recording schedule” on page 63 for furtherinformation.