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User’s Manual
21
3.3.2 BACKLIGHT
The backlight compensation function prevents the central object from being too dark
in surroundings where excessive light is shining from behind it.
18×/26× Model:
Turn this option <ON>; the central object will be brightened in contrast to the edge of
the picture (where a backlight would most likely be located).
22×23× Model:
The backlight compensation level ranges from 000 to 100.
NOTE: If this function is enabled, the WDR function (for
23× model only) will
be disabled automatically. For details, refer to section 3.3.19 WDR Setting
.
3.3.3 FOCUS
Automatically adjusts the focus position to maximize the high frequency content of the
picture in a central measurement area, taking into consideration the high luminance
and strong contrast components. The focus on the PTZ camera can be operated in
two modes: Manual focus mode and auto focus mode. Different settings for the
various models are described below.
18×/26× Model:
• AUTO
The optimum focus is achieved using the internal digital circuit. There are 3
modes for users to select for different conditions.
Normal AF (auto focus) mode: The PTZ camera will automatically adjust the
focus of the picture.
Zoom trigger mode: When the zoom ratio is changed using the TELE or
WIDE buttons on the control keyboard or another control unit, the PTZ camera
will automatically adjust the focus again after a period of time (the preset value
is initially set to five seconds).
Interval AF mode: This mode is used for AF movements carried out at
particular intervals. If users pan/tilt the PTZ camera, the PTZ camera will
focus automatically after a period of time. The preset value is five seconds.
BLC LEVEL
LEVEL 20
EXIT YES