LT Security PTZIP772X20IR - Manual (Page 55)

User Manual of 5 Inch Network Speed Dome 54
Lens Initialization
The lens operates the movements for initialization when you check the check box of
Lens Initialization.
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.
White Balance
The White Balance mode can be set to Auto, MWB, Outdoor, Indoor, Fluorescent
Lamp, Sodium Lamp and Auto-Track.
 Auto:
In Auto mode, the camera retains color balance automatically according to the
current color temperature.
 Manual White Balance:
In MWB mode, you can adjust the color temperature manually to meet your own
demand as shown in Figure 6-35.
Figure 6-35 Manual White Balance
 Outdoor
You can select this mode when the speed dome is installed in outdoor environment.
 Indoor
You can select this mode when the speed dome is installed in indoor environment.
 Fluorescent Lamp
You can select this mode when there are fluorescent lamps installed near the speed
dome.
 Sodium Lamp
You can select this mode when there are sodium lamps installed near the speed
dome.
 Auto-Track
In Auto-Track mode, white balance is continuously being adjusted in real-time
according to the color temperature of the scene illumination.
Note: This function varies depending on the models of speed dome.