Hitachi HV-D25 - Manual (Page 33)

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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).