EverFocus EHD525EX - Manual (Page 13)

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BLC (Back Light Compensation) ON/OFF
When BLC is turned on, the AGC, ES and IRIS operating points are determined
by averaging over the center area instead of entire field-of-view, so that a
dimly-lit foreground object at center area can be clearly distinguished from
brightly-lit backgrounds.
BLC should not be used unless it is needed to compensate for back-lit.
The default setting is OFF.
FL (Flickerless Function) ON/OFF
When picture flicker fiercely, turn FL on, then the camera will stabilize the speed
of electronic shutter at 1/100(NTSC) or 1/120(PAL) automatically, and reduce
the flicker immediately.
The default setting is OFF
IRIS Level Adjustment
Brightness Level can be adjusted from the IRIS level VR.
„ Turn counterclockwise to L to get darker picture.
„ Turn clockwise to H to get brighter picture.
IRIS ALC Adjustment
To select light metering method
„ Turn the IRIS ALC Adjustment VR counterclockwise for Average
Metering.
„ Turn the IRIS ALC Adjustment VR clockwise for Peak Metering.