Dedicated Micros DV-IP Express Nstallation And Operation Manual page 77

Pixel Count (%)
Pixel Change (%)
VMD
Clear Cells
Default Grid
Graticule On
Zone Display Only
High��edium��ow
Refresh
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Last trigger -
Static -
Zone disabled -
This value is set as a percentage and equates to the percentage
of pixels in the selected zone that must change for the VMD event
to be triggered. The default setting is 20%.
This setting is a percentage value of the overall change required
in the greyscale to be included in the pi�el count. The percentage
change is defined o�er the complete range of black to white, a
100% pi�el change would be from black to peak white. The default
setting is 20%.
�nsure this checkbo� remains selected.
Remo�es all defined zones from the image.
Displays the default 16 zone grid across the whole image.
Displays a grid to assist in identifying and creating zone areas.
This will display the areas of the image that are co�ered by a
zone only and will assist you in ensuring the necessary areas are
co�ered.
This is the resolution of the reference ��D image being
displayed.
This will update the reference image to the latest �iew during
set up.
The reference image is only updated
when the ��D is triggered and is best
used under controlled lighting, i.e.
so there are no false triggers due to
ambient light changes.
The reference image is collected on
startup and is ne�er updated. This
would be used in 'sterile' areas where
there are no changes e�pected.
This will disable the zone mode.