Auto Iris Control Adjustment - Hitachi DZMV238EAU Service Manual

6.2 Auto Iris Control Adjustment

Phenomenon due to incomplete adjustment:
The output image is extremely bright and/or extremely dark.
Status during adjustment:
Set zoom to wide-angle end, and point at light box without chart to fill the
screen.
Procedure:
1) Input 2 to PC on the camera adjustment menu screen.
2) Follow the instructions on PC display thereafter.
3) After the adjustment complete screen appears, press any key on PC to
restore the camera adjustment menu screen on PC display.
4) Turn the DVD video camera/recorder off for at least 5 seconds, and then
turn it on again. (The camera adjustment menu screen will be restored,
and continuing other adjustments will be possible.) (*1)
*1: When the camera/recorder is turned on again, the MAP may not operate
normally, and subsequent adjustments may not be possible. If this
happens, press the Esc key to restore the MS-DOS screen, restart the
MAP, and then perform the other adjustments (this adjustment item is
complete).
Camera adjustment menu screen
***********************************************************
CAMERA ADJUSTMENT
***********************************************************
[1] SAMPLING PULSE
[2] AUTO IRIS CONTROL
[3] SHUTTER
[4] B MATRIX
[5] WHITE BALANCE
[6] CHROMA GAIN
[ESC] RETURN TO MAIN MENU
Please select [1] - [6] or [ESC]
Input 2 to PC
Follow the instructions on PC display
thereafter.
Adjustment complete screen
ADJUSTMENT FINISHED
PRESS ANY KEY
Press any key on PC to restore the
camera adjustment menu screen.
Turn the DVD video camera/recorder off
for at least 5 seconds, and then turn it on
again to complete adjustment. (The
camera adjustment menu screen will be
restored, and continuing other adjust-
ments will be possible.) (*1)
3 - 17