Hitachi HV-D25 operation manual Iris Gate, White Gate, Level

8. IRIS GATE

This menu screen allows you to make iris gate (window) settings.

1) GATE AREA <UP/DOWN>:The window can be shifted up/down.

To shift the window up, press the R button. To shift it down, press the L button.

2) GATE AREA<LEFT/RIGHT>:The window can be shifted left/right.

To shift the window rightward, press the R button. To shift it leftward, press the L button.

3)GATE AREA<LARGE/SMALL>:The size of the window can be adjusted. Using the L or R button, you can select one of four window sizes.

I< IRIS GATE<ON>		Press	R	button	to	increase
GATE AREA(UP/DOWN)		size.		jjjjjj
GATE AREA(LEFT/RIGHT)
GATE AREA(LARGE/SMALL)		Press	L	button	to	decrease
L	R
L		Window

9. WHITE GATE

Sets the area (window) position for use as white balance control data. Adjust the window to a white or grey

monochrome portion of the screen. Setting operation is the same as Iris Gate.

1)GATE AREA<UP/DOWN>:The window can be shifted up/down.

To shift the window up, press the R button. To shift it down, press the L button.

2)GATE AREA<LEFT/RIGHT>:The window can be shifted left/right.

To shift the window rightward, press the R button. To shift it leftward, press the L button.

10￿ LEVEL

This menu screen allows you to set up a black level and gain of R/B video signal.

1) R BLK: R black level setting

The allowable setting range is -128 to 127.

Pressing the R button increases a numeric value to make the R video signal black level higher. Pressing the L button decreases a numeric value to lower the R video signal black level. For 0 (zero) setting, hold down both the L and R buttons for approx. two seconds.

2) B BLK: B black level setting

The allowable setting range is -128 to 127.

Pressing the R button increases a numeric value to make the B video signal black level higher. Pressing the L button decreases a numeric value to lower the B video signal black level. For 0 (zero) setting, hold down both the L and R buttons for approx. two seconds.

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