Videotec SM164B Bedienungsanleitung PDF herunterladen (Seite 59)

Page 19 MNVCSM84A_0408

4.4 Excluding video inputs

Normally, switching a video signal on a monitor does not influence what is shown on the others. In special

cases, however, it may be necessary to remove a video signal when it is controlled from a remote position. This

occurs, for example, inside shopping centres or outside banks where some of the monitors are shown to the

public as deterrents.

These public monitors are permanently in a switching sequence of video inputs. When a remote position (called

master) requires a particular video input this should be removed from the switching sequence of the public

monitors:

In the example the master monitor shows a switching

sequence on inputs 1, 2, 3 and 4. The public monitor

shows inputs 1 and 2. Camera 1 frames the area

including the public monitor.

During active control of input 1 it is advisable to

remove this input from the switching sequence on the

public monitor. In this case it has been replaced by

input 5, called replacement camera.

4.4.1 How to exc lude the video inputs

There are two different modes for excluding the video input:

x manual mode

x telemetry mode

In both cases the camera is excluded only if the public monitors are in automatic switching sequence. The

master monitor is always number 1.

Exclusion does not concern any dedicated output to the VCR.

During exclusion the master monitor shows an advisory message. This message is removed by any alarm

message.

4.4.1.1 Configuration

The exclusion mode is selected in 2.System configuration by selecting 8.Video.

After selecting the appropriate exclusion mode, indicate which replacement camera is to be used.

See chapter 5 “On Screen Menu (OSM) Programming”.

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Videotec SM164B Bedienungsanleitung Seite 59