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8
Parts and their functions
VPAR: Vertical parabola correction
This is used to correct the coloring of black screen images
in the vertical direction in the range of –100 to 100. When
the numerical setting is incremented, the video level at the
top and bottom of the screen is increased.
2White shading control switch
[WHITE SHADING CONTROL]
This is used to correct the white shading. When it is
pressed and its lamp is lighted and when one of the
SHADING R, B or B switches is pressed and selected, the
adjustment items for the white shading appear on the LCD
display. The white shading correction can be adjusted
using four of the 16 adjustment rotary encoders.
HSAWHPARVSAWVPAR
–100–490 +7
HSAW: Horizontal sawtooth wave correction
This is used to correct the coloring of white screen images
in the horizontal direction in the range of –100 to 100.
When the numerical setting is incremented, the video level
at the left of the screen is increased.
HPAR: Horizontal parabola correction
This is used to correct the coloring of white screen images
in the horizontal direction in the range of -100 to 100.
When the numerical setting is incremented, the video level
at the left and right of the screen is increased.
VSAW: Vertical sawtooth wave correction
This is used to correct the coloring of white screen images
in the vertical direction in the range of -100 to 100. When
the numerical setting is incremented, the video level at the
top of the screen is increased.
VPAR: Vertical parabola correction
This is used to correct the coloring of white screen images
in the vertical direction in the range of –100 to 100. When
the numerical setting is incremented, the video level at the
top and bottom of the screen is increased.
3R, G, B shading switches [R, G, B]
These are used to select the video signals targeted for
black and white shading correction from among the R, G
and B signals. The lamp of the selected switch lights.
4Knee control switch [KNEE CONTROL]
This is selected to adjust the knee slope and knee point.
When it is selected, its lamp lights.
The menu is two-tiered: the adjustment items for the knee
point are displayed on the first tier, and the adjustment
items for the knee slope appear on the second tier. With
auto knee, only the knee point can be adjusted.
RPNTMPNTBPNT
–1%95%+1%
RSLPMSLPBSLP
–3231+1
MPNT
This adjusts the master knee point in the range of 110% to
80%.
RPNT, BPNT
These adjust the R and B knee points in the range of
+20% to –20%.
MSLP
This adjusts the master knee slope in the range of 0 to
199.
RSLP, BSLP
These adjust the R and B knee slopes in the range of +31
to –31.
5White clip control switch [WHITE CLIP CONTROL]
This is selected to change the white clip level. When it is
selected, its lamp lights.
CLIP
108%
CLIP: This adjusts the white clip in the range of 80% to
109%.
6Black gamma control switch [BKL GAMMA CONTROL]
This is selected to adjust the black gamma curve. When it
is selected, its lamp lights.
BLKRBLKMBLKB
–320 +7
BLKR, BLKM, BLKB GAM
These adjust the black gamma curve (R, MASTER or B) in
the range of –32 (black compression) to +32 (black
expansion.
7Undo switch [UNDO]
When the control data displayed using the control item
selector switches has been changed, this switch is used to
cancel changed data and return to the data first shown on
the screen.
8Pedestal control switch [PED CONTROL]
This is selected to adjust the R,G and B pedestal levels.
When it is selected, its lamp lights.
RPEDGPEDBPED
–1000 0
GPED, RPED, BPED: G, R, B pedestal level
These indicate the increases or decreases in the pedestal
levels in the range of –800 to +800 as referenced to the
pedestal position where the black balance was attained.
After the black balance is adjusted, 0 is set as the
adjustment value.