Day/Night - Bosch NBN-498-11P Installation And Operation Manual

72 en | Advanced Mode
Note:
If Sensitivity up is active, some noise or spots may appear in the
picture. This is normal camera behavior. Sensitivity up may
cause some motion blur on moving objects.
Gain
AGC - the camera automatically sets the gain to the lowest
possible value needed to maintain a good picture.
Fixed - sets Fixed gain value.
Maximum gain / Fixed gain
Selects the maximum value the gain can have during AGC
operation (0 to 30 dB).
Selects the gain setting for Fixed gain operation (0 is no gain).
Actual gain
Displays the actual AGC value from the camera to help compare
gain level with lighting levels and picture performance.
9.6.4

Day/night

The Day/Night camera is equipped with a motorized IR
(infrared) filter. The IR filter can be removed in low-light or IR-
illuminated applications. There are four different methods of
switching:
–
–
–
–
Day/night
Auto - the camera switches the IR cut-off filter on and off
depending on the scene illumination level.
Monochrome - the IR cut-off filter is removed, giving full IR
sensitivity.
Color - the camera always produces a color signal regardless of
light levels.
Switch level
Set the video Switch level at which the camera in Auto mode
switches to monochrome operation (-15 to 0 to +15).
AR18-10-B006 | v1.1 | 2010.06
via the alarm input,
as part of the programmable mode profile,
automatically, based on the observed light levels, or
via the settings page.
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