HBZMXSIB/10/16SD-OP-1
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2.1 The
Basics
Your multiplexer, depending on the model, has a maximum of 10 or 16 camera
inputs. It has 10 or 16 alarm inputs (which are normally associated with each
camera), two alarm outputs, two monitor outputs (Monitor-A and monitor-B) and VCR
output and input connections.
A typical installation is shown in Figure 1.
The multiplexer provides you with sophisticated facilities for surveillance monitoring,
and it can record images from all of the connected cameras onto a single video
recorder.
In Figure 1, Monitor-A is used for multi-screen, digital images, which can be frozen
and zoomed. That is, you can choose to view more than one camera at once on the
same screen, you can freeze the images, and you can select a camera and
electronically zoom (x 2) into it. Monitor-B is a full-screen, live, analogue output,
which cannot be frozen or zoomed. Monitor-B is sometimes referred to as a ‘Spot’
monitor in the security industry.
The alarm inputs are normally associated with each of the cameras. When an alarm
has been activated, this can be indicated on the monitor screen. At the same time, an
LED on the unit’s front panel can be made to flash, and a buzzer sounded.
Depending on the way your system has been programmed, you may need to press
the alarm button to acknowledge it, or it might cancel itself either after a fixed period
or when the alarm device is deactivated. When an alarm does occur, Monitor-B
always switches to full screen display of the associated camera, and if there are
multiple alarms, Monitor-B will sequence between the associated cameras. Monitor-
A, on the other hand, will behave differently, depending which mode the multiplexer
is operating in and which model is being used. For more information on the handling
of alarms, refer to the Programming Instructions manual.
Figure 1 Typical Installation
Summary of Contents for ZMX/BD/10
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