Hitachi HV-D25 User Manual

4. SUB MENU 2

1) DYNA CHROMA:Dynamic chroma ON/OFF

With knee on, setting the dynamic chroma on improves coloration in bright portions of the scene.

2) CHROMA GAIN:Level setting in chroma signal

The chroma signal level can be set in the range of -128 to +127. Respectively press the R button to increase and

the L button to decrease the chroma signal level. Set the level to 0 by simultaneously pressing both L and R

buttons for about 2 seconds.

3) CONTRAST:Contrast OFF/NORMAL/HIGH

Contrast can be set in two steps of Normal and High.

HIGH enhances the contrast more than NORMAL.

4) KNEE:KNEE ON/OFF

The on setting provides natural gradation in bright portions.

Knee is fixed to on in the Auto CAM mode.

5) AUTO KNEE:AUTO KNEE ON/OFF

At the on setting, gradation in bright components is automatically optimized even with scene changes.

6) MASKING:Masking ON/OFF

At the on setting, the overall screen gradation is set by the Special Set Masking menu.

Standard setting is on.

7) GAMMA:Gamma ON/OFF

Gamma on/off setting. In the Auto CAM mode, gamma is fixed at on.

8) SHAD MODE:Auto shading compensation mode

Color:

Auto shading compensation acts to minimize vertical color shading.

Luminance:

Compensation acts to equalize individual R, G and B video signal level components in the picture

vertical.

9) AUTO SHADING:Automatic shading correction is carried out.

Pressing the R button performs automatic shading correction. For details, refer to 'How to Attain Better Images'

(p. 33).