A quad is an accessory to
your surveillance system that splits a video monitor into 4 screens.
Without a quad you would only be able view one camera at a time. A
quad is only needed when you are using more than one camera and
using a VCR or VISEC to record or when you are only monitoring and
not recording at all. Below are two examples of how a quad works:
This is a surveillance system
that is monitored only:
This is a
surveillance system recording and monitoring:
The quads
that we carry are high resolution real time quads that support up to
4 cameras. You also have the ability to playback and zoom in on
recorded video.
There are
other products out there that can split a screen more than four
ways. However, video quality worsens the more ways you split a
screen.
 4
Channel Color or Black & White Quad
• QD-104 Black/White 4 Channel
Quad
• QD-904R Color Channel Quad
Features:
- Full duplex allows transfer of recording and
playback video at the same time.
- 2x2 zoom
- 60 frames per second
- Real time clock
- Title generator
- On-screen display
- No boarder for full quad display
- 2H adaptive comb filters for Y/C separation
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