User Manual for IP-PTZ643/645
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manually.
Min. Focus Distance
This function is used to limit the minimum focus distance. The value can be set to
1.5m, 3m, 6m, 10cm and 50cm.
The minimum focus value varies depending on the models of camera.
5.5.4 Day/Night Switch
The
Day/Night Switch
mode can be set to
Auto
,
Day
and
Night
.
Auto
:
In
Auto
mode, the day mode and night mode can switch automatically
according to the light condition of environment. The switching sensitivity can
be set to
Low
,
Normal
,
High
.
Figure 5-30 Auto Mode Sensitivity
Day
:
In
Day
mode, the camera displays color image. It is used for normal lighting
conditions.
Night
:
In
Night
mode, the image is black and white.
Night
mode can increase the
sensitivity in low light conditions.
Schedule
In
Schedule
mode, you can set the time schedule for day mode as shown in
Figure 5-31. The rest time out of the schedule is for night mode.
This function varies depending on the models of zoom camera.
Figure 5-31 Day Night Schedule
5.5.5 Backlight Settings
BLC
If there’s a bright backlight, the subject in front of the backlight appears silhouetted or
dark. Enabling
BLC
(back light compensation) function can correct the exposure of
the subject. But the backlight environment is washed out to white.