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Adjustment; Auto Iris Control Adjustment; White Balance Adjustment - Hitachi VK-S454 Service Manual

Color video camera
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5.3 Adjustment

Before starting:
1) Input C to PC on the main menu screen to display the adjustment menu screen.
2) Input to PC the appropriate adjustment number. (*1)
*1: Pressing the [Esc] key on the adjustment menu screen will restore the main menu screen.

(1) Auto Iris Control Adjustment

Incompleted Phenomenon:
The picture becomes too bright.
The picture becomes too dark.
Condition:
Set the zoom to wide end and 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. (*1)
*1: When the video camera is turned on again, the SMAP 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 SMAP.

(2) White Balance Adjustment

Incompleted Phenomenon:
Color of the subject is different from that of the picture.
A white subject is not senn as white.
Conditions:
Attach a C12 filter.
Set the zoom to wide end, and 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.
PC Display & Figs
Main menu
***********************************************************
MANUAL ADJUSTMENT PROGRAM
***********************************************************
[A]
DATA INITIALIZE
[B]
ELECTRIC VOLUME
[C]
ADJUSTMENT
[D]
AUTO FOCUS
[E]
SPOT NOISE
[F]
IR CONTROL
[ESC] END
Please select [A] - [F] or [ESC]
Adjustment menu
***********************************************************
ADJUSTMENT
***********************************************************
[1]
AUTO IRIS CONTROL
[2]
WHITE BALANCE
[3]
CHROMA GAIN
[ESC] RETURN TO MAIN MENU
Please select [1] - [3] or [ESC]
AIC adjustment complete
ADJUSTMENT FINISHED
PRESS ANY KEY
White balance adjustment complete
<< ADJUSTMENT OF WHITE BALANCE >>
ADJUSTMENT FINISHED
PRESS ANY KEY
3 - 7

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Vk-s454e