Chapter 3. Installation
| • The Video output and the VGA output cannot be used at the same time |
| and the system can send only one video out at the same time. Please refer |
Caution | to Chapter 4.1 Checklist before operation for the setting of monitor selec- |
| tion. |
| • During playback with the VGA monitor, a few frames can sometimes be |
3.2.4 External connector
Sensor input (SENSOR IN)
SVR-450 (4-SENDOR IN)
SVR-940 (9-SENDOR IN)
As external sensor connecting terminal, signals from an external sensor or device will be input to the system.
Relay Output (RELAY OUT)
This Alarm Output terminal uses the contact relay for the alarm output to external devices. You can select NO (Normal Open) or NC (Normal Close) for connection according to the contact point status.
Digital Video Recorder 21 User’s Manual
