Toshiba IK-VR01A - Manual (Page 5)

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4. PART NAMES & FUNCTIONS
LL
ON
OFF
BLC
Mode Setting Switch
BLC (Backlight Compensation Switch)
With the switch on, it adjusts
the backlight automatically to
obtain the best possible image.
LL
Sets camera synchronization
to line lock with the switch on.
Available only with AC24V.
Lens Iris ADJ
Monitor Out Connector
Connect with the supplied monitor out
harness wire. Used to adjust the angle of
view when installing the camera.
Line Lock Phase ADJ
Counterclockwise: The picture becomes
darker.
Clockwise: The picture becomes
brighter.
"Optimum Value" is at default setting.
Adjusts the phase of the line lock.