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IK-6420A
1-5
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8. AUTOMATIC ELECTRONIC SHUTTER (AES)
Exposure time is controlled automatically within a range of 1/60 sec. to 1/100000 sec. to obtain an
adequate signal when the IRIS switch is moved to AES.
When the back panel switch is turned to VIDEO or DC, the exposure time is fixed 1/60 sec.
9. BACKLIGHT COMPENSATION (BLC)
To activate backlight compensation, set the BLC switch to ON.
BLC
ON
OFF
When the automatic electronic iris feature is used with an auto iris lens, the exposure adjustment
is automatically performed so that a best picture is obtained at a monitor zone of about 50% in
horizontal and about 50% in vertical direction.
This function is effective when a strong light enters the portion other than this zone and auto iris
lens closes and darkens the area to view.
(Monitor screen)
50%
50%
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7. LINE-LOCK PHASE
If two or more cameras within a system have
different AC line phases are switched by the video
switcher, the picture on the monitor TV will fluctuate
vertically.
Connect 24V AC input lines of all cameras so that
they all share the same phase.
If you still have vertical fluctuation, adjust the
V.PHASE controller.
V. PHASE CONTROLLER
Note:
• Refer to “5-2. Line-Lock Control”.