CCTV Camera Pros iDVR-E Series Video Surveillance Recorders Product Manual - Manual (Page 18)

17 DIGITAL VIDEO RECORDER
1.3 AUDIO
The system has one channel audio input and output. If you wish to record and playback
audio signal, connect the proper audio device (microphone) to the AUDIO IN (1 Vp-p @600
ohms) and speaker to the AUDIO OUTPUT (See illustration below).
1.4 MONITOR
There are three video outputs (2-BNC, 1-VGA) on the rear panel of the system.
Connect monitors depending on your application.
1- BNC for Main composite video output.
1- BNC for Spot composite video output.
1- VGA output.