Black & White and Color Quads
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 quad that we carry is high resolution real time
and supports up to 4 cameras. You 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.
A quad is not needed when using a DVR to record because DVRs have a built-in quad.
4
Channel Color or Black & White Quad
QD-104 Black/White 4 Channel Quad
QD-904R Color 4 Channel Quad
Features include:
- 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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