12 C2496M-A (1/06)
SWITCH SETTINGS FOR FIXED FOCAL LENGTH LENS WITH AUTO IRIS
Refer to the switch drawing. The switch is located next to the lens. Automatic backlight
compensation (factory setting) is used under varying lighting conditions (such as outdoors) or fixed
lighting conditions where there are no bright spots that darken other picture details. Manual backlight
compensation is used in fixed lighting conditions to optimize the picture detail when there are
bright spots.
ALC/ELC switch: Always ALC
Y/DC switch: Always DC
Auto backlight compensation: BLC switch OFF
ABL switch ON
Manual backlight compensation:
BLC switch ON
ABL switch OFF
SWITCH SETTINGS FOR FIXED FOCAL LENGTH LENS WITHOUT
AUTO IRIS
Refer to the switch drawing. The switch is located next to the lens. Automatic backlight
compensation (factory setting) is used under varying lighting conditions (such as outdoors) or fixed
lighting conditions where there are no bright spots that darken other picture details. Manual backlight
compensation is used in fixed lighting conditions to optimize the picture detail when there are
bright spots.
ALC/ELC switch: Always ELC
Y/DC switch: Not used
Auto backlight compensation: BLC switch OFF
ABL switch ON
Manual backlight compensation: BLC switch ON
ABL switch OFF
= SWITCH POSITION
FACTORY SETTINGS
ON
OFF
ALC
Y
BLC
ABL
ELC
DC
OFF
OFF
NOT USED
= SWITCH POSITION
FACTORY SETTINGS
ALC
Y
BLC
ABL
ELC
DC
OFF
OFF