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20 C309M-J (9/04)
BACKLIGHT COMPENSATION
There are two backlight compensation modes:
On – The system uses the center 10 percent of the picture to adjust the iris. If there is a bright light source outside of this area, it
will wash out to white. The camera will adjust the iris so that the object in the sensitive area is properly exposed.
NOTE: ES30CBW18/ES31CBW18 Only – If backlight compensation is ON and the IR cut filter switches OUT (black and
white mode) in normal lighting conditions, adjust the Auto IR Level to a darker setting. Refer to the
Auto IR Level
section.
Off – Backlight compensation is not activated.
To change the backlight compensation mode:
1. Program preset 95 (28). The main menu appears.
2. Position the cursor (>) beside Camera.
3. Press the Iris Open button to enter the Camera menu.
4. Position the cursor (>) beside Backlight Comp.
5. Press the Iris Open button. The cursor moves to the right, beside the word On or Off.
6. Move the joystick up or down to toggle between On and Off.
7. SELECT – Press the Iris Open button on your keyboard to select your choice.
CANCEL – Press the Iris Close button if you do not want to change the setting.
<Camera>
<Line Sync>
<Power Up>
<Wiper>
<Limit Stop>
<Other>
Exit
MAIN MENU
Backlight comp Off
Zoom limit x- -
Reset camera
<Gain/AGC>
<Auto iris>
Next
Exit
Camera Menu
NON-SENSITIVE AREA
SENSITIVE
AREA