JVC DLA-RS48, DLA-RS56, DLA-RS66, DLARS46 CompensatingHighlightsandShadows(Dark/BrightLevel)

Aboutgammaadjustment
Whenthegammacurveisastraightline:
Thebrightnessandcontrastofthevideoinputwillbe
thesameasthatofthevideooutput.
Areaforwhichthegammacurveisabovethestraight
line(A):
Videooutputappearsbrighterthantheinput.
Areaforwhichthegammacurveisbelowthestraight
line(B):
Videooutputappearsdarkerthantheinput.
Areaforwhichtheslopeofthegammacurveissteep
(midtone)(C):
Thegrayscalerangeofthevideooutputbecomes
wider,andthecontrastincreases(DD’).
C
B
A
D
0255
0
255
D”
Gamma Curve
Input Value
Output Value
Dark
Dark
Bright
Bright
CompensatingHighlightsandShadows(Dark/BrightLevel)
Youcanadjusttheimagequalitytoproduceasharp
contrastinthebrightness.
Pressthe[MENU]buttontodisplay
themenu
Select“PictureAdjust”“Dark/Bright
Level”fromthemenu
Shadowcorrection
Adjuststheshadowsofthevideoinput(thewhite,
red,green,andbluetonescanbeadjusted
separately).
Todoso,usetheHIkeystomovethecursor.
Settingrange:7(darkenstheshadows)to+7
(brightenstheshadows)
Highlightcorrection
Adjuststhehighlightsofthevideoinput(thewhite,
red,green,andbluetonescanbeadjusted
separately).
Todoso,usetheHIkeystomovethecursor.
Settingrange:7(darkensthehighlights)to+7
(brightensthehighlights)
Pressthe[MENU]buttontoexit
44
Adjust/Set