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Auto Iris Control Adjustment; White Balance Adjustment - Hitachi VK-S274R Service Manual

Color & b/w video camera
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Adjustment > Adjustment (Camera Adjustment)

6-5-1 Auto iris control adjustment

Incompleted Phenomenon
1) The picture becomes too bright.
2) The picture becomes too dark.
Condition
Set point at the light box, without chart inserted, to fill the
screen.
Procedure
1) Input 1 to PC on the adjustment menu screen.
2) Follow the instruction on PC display thereafter.
3) After the AIC (auto iris control) adjustment complete
screen appears, press any key to restore the adjustment
menu screen.
4) Turn the video camera off, leave as is for at least 5
seconds, and then turn it on again. When the video
camera is turned on again, the ZMAP may not operate
normally, and the following adjustments may not be
possible. If this happens, press the Esc key to restore the
MS-DOS screen, and then restart the ZMAP.

6-5-2 White balance adjustment

[For VK-S274R/S274ER]
Incompleted Phenomenon
1) Color of the subject is different from that of the picture.
2) A white subject is not seen as white.
Equipment/Jig
C12 light balance filter
Conditions
1) Attach a C12 light balance filter to lens.
2) Point at a gray scale chart.
Procedure
1) Input 2 to PC on the adjustment menu screen.
2) Follow the instructions on PC display thereafter.
3) After the white balance adjustment complete screen
appears, press any key to restore the adjustment menu
screen.
Adjustment menu
***********************************************************
***********************************************************
Input 1.
AIC adjustment complete
Press any key.
Adjustment menu
***********************************************************
***********************************************************
Input 2.
White balance adjustment complete
<< ADJUSTMENT OF WHITE BALANCE >>
Press any key.
6 - 9
ADJUSTMENT
[1]
AUTO IRIS CONTROL
[2]
WHITE BALANCE
[3]
CHROMA GAIN
[ESC] RETURN TO MAIN MENU
Please select [1] - [3] or [ESC]
Follow the instructions on
PC display thereafter.
ADJUSTMENT FINISHED
PRESS ANY KEY
Turn the video camera off.
ADJUSTMENT
[1]
AUTO IRIS CONTROL
[2]
WHITE BALANCE
[3]
CHROMA GAIN
[ESC] RETURN TO MAIN MENU
Please select [1] - [3] or [ESC]
Follow the instructions on
PC display thereafter.
ADJUSTMENT FINISHED
PRESS ANY KEY
Adjustment menu

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Vk-k274rVk-s274erVk-k274er