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Concerning Auto-Iris Lenses
VIDEO type auto-iris lens
A lens with amplifier circuit that operates on video
signal 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 35mA.
Notes :
• Set the ALC and LEVEL controls on the lens to adjust the
iris. Normally the ALC volume should be turned all the way
to Av (Average).
• Depending on the type of lens used, the lens may not
perform properly. In such a case, adjust the LEVEL vol-
ume on the lens casing to correct.
ALC LE
VEL
ALC volume
level control
LEVEL volume
level control
LVC-SX811HP_ENG_MFL-180 7/19/07 3:04 PM Page 14
