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R5975238 BARCOVISION 701 MULTIMEDIA 070497
APPENDIX D : CONTRAST MODULATION
APPENDIX D : CONTRAST MODULATION
R5975238 BARCOVISION 701 MULTIMEDIA 070497
APPENDIX D : CONTRAST MODULATION
APPENDIX D : CONTRAST MODULATION
D-5
D-5
Highlight
TOP-BOTTOM
with the
control disk and press
ENTER
to
start the vertical '
hot spot
' cor-
rection in the center of the
screen. Adjust with the control
disk for the same light output in
the corners as in the center of
the image.
This top-bottom adjustment must
be done in combination with the
left-right adjustments as both ad-
justments influence each other.
Note : these adjustments will re-
duce the total light output, so do
not over adjust.
Hint : A bar scale of 10 - 15 for
both adjustments gives a good
result.
Press
ENTER
to return to the
Contrast Modulation menu.
CONTRAST
EQUALISATION
Select with or
then <ENTER>
<EXIT> to return
338f
CONTRAST
EDGE CORRECTION
RED HORIZONTAL
GREEN HORIZONTAL
BLUE HORIZONTAL
VERTICAL
LEFT-RIGHT
TOP-BOTTOM
ENTER
starts the Top-Bottom Contrast
Edge Correction.
EXIT
returns to the Random Access Ad-
justment Mode main menu.
ADJUST
returns to the Operational mode.
Highlight
TOP-BOTTOM
with the
control disk and press
ENTER
to
start the vertical '
hot spot
' cor-
rection in the center of the
screen. Adjust with the control
disk for the same light output in
the corners as in the center of
the image.
This top-bottom adjustment must
be done in combination with the
left-right adjustments as both ad-
justments influence each other.
Note : these adjustments will re-
duce the total light output, so do
not over adjust.
Hint : A bar scale of 10 - 15 for
both adjustments gives a good
result.
Press
ENTER
to return to the
Contrast Modulation menu.
CONTRAST
EQUALISATION
Select with or
then <ENTER>
<EXIT> to return
338f
CONTRAST
EDGE CORRECTION
RED HORIZONTAL
GREEN HORIZONTAL
BLUE HORIZONTAL
VERTICAL
LEFT-RIGHT
TOP-BOTTOM
ENTER
starts the Top-Bottom Contrast
Edge Correction.
EXIT
returns to the Random Access Ad-
justment Mode main menu.
ADJUST
returns to the Operational mode.