Speco Technologies 8TH - Manual (Page 113)

User’s Manual
DVR-4TH/8TH/16TH Series
SPECO TECHNOLOGIES 07/10
112
Use the Direction keys to move the cursor and press ENTER to enable or
disable a grid. Press MODE to select all of the grids for detection; press
MODE again to de-select all of the grids.
Sensitivity
This item is used to set the sensitivity of detection grids for the camera. A
greater value indicates more sensitive motion detection. A motion alarm will
be triggered, once the amount of motion detected exceeds the Threshold
value
Move the cursor to and press ENTER, and then use UP /
DOWN keys to adjust the value. The value is indicated in 4% increment.
Area Threshold
means the motion alarm triggered level; if the percentage
of triggered grids to total detection area is greater than the set value, the
motion alarm will be triggered.
For example, if 10 grids are selected and the < Area Threshold > value is 70%,
the motion alarm will be triggered when 7 grids are motion detected.
Move the cursor to < Area Threshold > and press ENTER, then use UP /
DOWN keys to adjust the value. The value is indicated in 1% increments.
5.6.8.5 Alarm In
This item allows the user to enable / disable alarm input detection. According
to your application, select (Normal Open) or (Normal Close) to
enable the alarm input detection or select to disable detection. The
default setting is .
NOTE: If you set this item to but did not install any device to the unit,
the alarm will be triggered and the Event Icon will be displayed continually
until this item is changed to , or, install a device to the unit.
5.6.8.6 Alarm Out
This item allows the user to assign an alarm on a certain channel to activate
the relays. These signals can be used to drive a light or siren to caution an
alarm event.