Panasonic WV-CL934 User Manual

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The method of controlling the quantity of light is selected from the following in accordance with
the lens to be used. 
ALC (default): Adjusts the iris of the lens in accordance with the brightness of a subject. This

selection is suitable for use of an auto iris lens (ALC lens). 

ALC+: Controls the quantity of light with a combination of the electronic shutter and auto iris.

This selection is suitable at shooting a bright subject such as an outdoor subject with auto
iris lens. Be aware that flicker may occur when a subject is under fluorescent lighting. 

ELC: Fixes the iris of the lens to a set value. This selection is suitable for use of a lens with fixed

iris or manual iris. 

• If a subject has a bright light such as a spotlight in its background, the subject appears

shadowy because the camera adjusts the iris in accordance with the bright area. 

• To eliminate this phenomenon, masking bright areas allows users to perform backlight

compensation to hide bright areas.  

• Backlight compensation has two modes: One is the PRESET ON mode for automatic com-

pensation after sensing the light conditions on the camera side, the other is PRESET OFF
mode for specifying the sensing area manually. 

Nighttime

Nighttime

Daytime

Daytime

[No backlight compensation performed]

[Backlight compensation performed]