User`s manual

41
B-3-3 FOCUS
Automatically adjusts the focus position to maximize the high frequency content
of the picture in a center measurement area, taking into consideration the high
luminance and strong contrast components. The focus of the dome camera can be
operated in two modes: Manual Focus mode and Auto Focus mode. Different
settings for various models are described as follows.
¾ 18x MODEL
♦ AUTO
The optimum focus is achieved by the internal digital circuit. There are 3
modes for users to select for different conditions.
Normal AF (Auto Focus) Mode: The dome will automatically adjust the
focus of the picture.
Zoom Trigger Mode: When the zoom ratio is changed, the dome will
automatically adjust focus again after a period of time (the preset value is
initially set for five seconds).
Interval AF Mode: The mode is used for AF movements carried out at
particular intervals. If users pan/tilt the dome, the dome will focus
automatically after a period of time. The initial value is five seconds.
♦ MANUAL
In this focus mode, users can adjust the lens focus manually.
B-3-4 APERTURE
Sharpness is the subjective evaluation of detail in the picture. With this
“APEATURE” function, users can adjust the enhancement of the edges of objects
in the picture. When shooting text, this function may help by making them sharper
and achieve a better image. There are 32 levels of adjustment, the options are
<00> ~ <31>, <00> represents “no enhancement”.
FOCUS LENGTH
TURNING VALUE 10CM
EXIT YES