Auto Iris Control - Hitachi DZ-MV350A 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) Check AUTO IRIS CONTROL on the ADJUST MENU
screen.
2) Click the EXECUTE button on ADJUST MENU screen
to start adjustment.
All adjustment in progress can be confirmed with the
bar displayed in the 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
PLEASE SELECT ADJUST
AUTO IRIS CONTROL
PLEASE WAIT A MOMENT
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
IRIS ADJUSTMENT ERROR dialog
ERROR
Iris Adjustment Error
6 - 26
××××
DATA INITIALIZE
VIDEO LEVEL
BURST LEVEL
SAMPLING PULSE
AUTO FUCUS
1
AUTO IRIS CONTROL
MATRIX
CHROMA GAIN
STABILIZER
SPOT NOISE
LCD
EVF
2
EXECUTE
RETURN
3
OK
OK