Fisher VCB-3424 Settings, Lens iris adjustment, Backlight compensation setting, Average

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.

Backlight compensation setting

Use an auto-iris lens and set the BLC switch to the ON position, to engage the backlight compensation function.

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.

VR401 L E V E

LH L

ON

OFF

BLC

If using a VIDEO type auto-iris lens

• The ALC volume on the lens should be turned all the way to Av

(Average).

Mirror image setting

If the MIR switch is set to the ON position, the image displayed on the monitor will be reversed horizontally.

For example, this setting can be used if the camera is installed at the back of a truck or bus and looking towards the back, the image will be as seen in the mirrors.

ON

OFF

MIR

• If the backlight compensation function does not compensate

properly for the conditions, set using the LEVEL volume on the

lens.

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