dallmeier DF4910HD-DN - Page 60

DF4910HD-DN | DDF4910HDV-DN-IM/-SM
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Response Time
This function provides further ne adjustments of the automatic Day/Night switching.
The response time denes the Day/Night switching delay time once the particular thresh-
old levels are reached.
Possible values: 1 sec. – 20 min. (Default: 5 sec.)
Example:
If during the day the camera is operated inside a room with windows that face a public
road, the entire room could become very dark for a short time when a big truck passes.
Depending on the set threshold levels for the automatic Day/Night switching, the cam-
era would normally switch to night mode immediately and, moments later, back in to day
mode.
In the reverse example there would be an unwanted permanent switching to day mode
and back as soon as the headlights of passing vehicles would light up the room.
Using the reaction time setting it is thus possible to delay the automatic Day/Night switch-
ing.
Weather-proof Housing
This setting is useful if the camera is installed in a weather-proof housing which may inu-
ence the integrated ambient light sensor due to the light absorption characteristics of the
weather-proof housing bubble or front glass.