Sanyo VCB-3574IR - Manual (Page 12)

SETTINGS
Lens iris adjustment
If using a DC type auto-iris lens, you will need to set the LEVEL
(VR401) volume when shooting in the conditions described below.
L (counterclockwise): To decrease the contrast
H (clockwise): To increase the contrast
• If shooting simultaneously in a dark room
and through a bright window.
• If the subject background is extremely
bright or dark.
• If the brightness of the picture on the
monitor is not correct.
Backlight compensation setting
Use an auto-iris lens and set the EI/BLC switch to the BLC-ON
position, to engage the backlight compensation function.
Use an auto-iris lens. Set the EI/BLC switch to BLC-ON switch to the
ON position.
If using a VIDEO type auto-iris lens
• The ALC volume on the lens should be turned all the way to Av
(Average).
• If the backlight compensation function does not compensate
properly for the conditions, set using the LEVEL volume on the
lens.
CAUTION:
The electronic iris function and the backlight compensation function
cannot operate simultaneously.
L
E
V
E
L
L H
VR401
ON
OFF
ON
EI
BLC
L72H4/US GB 1999, 2, 4
English
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