Auto Iris Control - Hitachi DZ-MV580A Service Manual

Adjustment > Adjustment Procedure

6-4-6 Auto Iris Control

Preparation:
Set zoom to wide-angle end, and point at light box without
chart, filling the screen.
Procedure:
1) Choose AUTO IRIS CONTROL on the ADJUST MENU
screen.
2) Click the EXECUTE button on ADJUST MENU screen
to start adjustment.
The progress status can be confirmed using the
PROGRESS STATUS dialog.
3) When adjustment is complete, the ADJUSTMENT
FINISHED dialog will appear: Click the OK button in
dialog to restore the ADJUST MENU screen.
If the IRIS ADJUSTMENT ERROR dialog appears, click
the OK button in dialog, perform the appropriate
corrective action, and then perform readjustment. If the
IRIS ADJUSTMENT ERROR dialog still appears after
the corrective action, the lens unit may be faulty:
a) Turn the light box off, and then make sure that no
surrounding light reflects on glass surface of light
box. If any surrounding light does reflect on it,
perform adjustment in a place where no
surrounding light will affect the adjustment.
b) Widen or shorten the distance between the light box
and DVD video camera/recorder.
ADJUST MENU screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
MODEL NAME:
ADJUST MENU
CONNECTION
PROGRESS STATUS dialog
AUTO IRIS CONTROL
PLEASE WAIT A MOMENT
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
IRIS ADJUSTMENT ERROR dialog
ERROR
Iris Adjustment Error
6 - 27
××××
DATA INITIALIZE
VIDEO LEVEL
BURST LEVEL
SAMPLING PULSE
AUTO FUCUS
1
AUTO IRIS CONTROL
MATRIX
CHROMA GAIN
SPOT NOISE
LCD
EVF
2
EXECUTE
RETURN
3
OK
OK