Flange-Back Adjustment - LG LS521N-B1 User Manual

Connections
VIDEO type auto-iris lens
A lens with amplifier circuit that operates on video sig-
nal and DC power source. In general, this type of lens
is referred to as EE amplifier type lens. ALC and LEVEL
volume level controls are available on the lens for iris
adjustments. (Set the ALC Lens Setting Switch to the
VIDEO position.)
CAUTION:
Be cautions not to use Auto Iris Lens with over 5mA.

Flange-back Adjustment

The adjustment is required only when a lens without focus-
adjusting mechanism is mounted, or when a lens with
adjusting mechanism is mounted and focus that is more
accurate is needed.
1. Loosen the flange-back fixing screws.
. Use the flange-back adjusting ring to obtain a focused
point while watching the monitor screen.
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