Barco R9000740 Home Theater Screen User Manual


 
APPENDIX D : CONTRAST MODULATION
R5975238 BARCOVISION 701 MULTIMEDIA 070497
APPENDIX D : CONTRAST MODULATION
APPENDIX D : CONTRAST MODULATION
R5975238 BARCOVISION 701 MULTIMEDIA 070497
APPENDIX D : CONTRAST MODULATION
D-2
D-2
Basic concept
Adjustment procedure :
Start up the adjustment mode by pressing
ADJUST
(see also chapter 'Start up of the
adjustment mode')
Highlight
Random Access
with the control disk and press
ENTER
to start up the
Random Access Adjustment mode
(see also chapter Random Access
Adjustment mode). The
Random
Access Adjustment Mode main
menu
will be displayed.
When the
Contrast Modulation op-
tion
is installed, the projector auto-
matically detects this option and
displays the selection (activation)
line in the Random Access Adjust-
ment Mode main menu.
Highlight
CONTR. MODULATION
with the control disk and press
EN-
TER
to select.
Note : An external generated white
image will be useful during the ad-
justment.
ENTER
selects the Contrast Modulation
menu.
EXIT
returns to the Path Selection menu.
ADJUST
returns to the Operational mode.
RANDOM ACCESS
ADJUSTMENT MODE
Select with or
<ENTER> to accept
<EXIT> to return
636g
PICTURE TUNING
GEOMETRY
CONVERGENCE
COLOR SELECT
COLOR BALANCE
ORBITING
CONTR. MODULATION
SOFT EDGE
Note : be sure the horizontal phase
is correctly adjusted. The image
must be centered on the raster with
the horizontal phase adjustment,
otherwise it is not possible to adjust
the contrast modulation correctly.
Basic concept
Adjustment procedure :
Start up the adjustment mode by pressing
ADJUST
(see also chapter 'Start up of the
adjustment mode')
Highlight
Random Access
with the control disk and press
ENTER
to start up the
Random Access Adjustment mode
(see also chapter Random Access
Adjustment mode). The
Random
Access Adjustment Mode main
menu
will be displayed.
When the
Contrast Modulation op-
tion
is installed, the projector auto-
matically detects this option and
displays the selection (activation)
line in the Random Access Adjust-
ment Mode main menu.
Highlight
CONTR. MODULATION
with the control disk and press
EN-
TER
to select.
Note : An external generated white
image will be useful during the ad-
justment.
ENTER
selects the Contrast Modulation
menu.
EXIT
returns to the Path Selection menu.
ADJUST
returns to the Operational mode.
RANDOM ACCESS
ADJUSTMENT MODE
Select with or
<ENTER> to accept
<EXIT> to return
636g
PICTURE TUNING
GEOMETRY
CONVERGENCE
COLOR SELECT
COLOR BALANCE
ORBITING
CONTR. MODULATION
SOFT EDGE
Note : be sure the horizontal phase
is correctly adjusted. The image
must be centered on the raster with
the horizontal phase adjustment,
otherwise it is not possible to adjust
the contrast modulation correctly.
horizontal light output
100%
50%
vertical
light output
100%
50%
horizontal light ouptut
100%
50%
vertical
light output
100%50%
red
green
blue
horizontal light output
100%
50%
vertical
light output
100%
50%
horizontal light ouptut
100%
50%
vertical
light output
100%50%
WITHOUT CONTRAST MODULATION
WITH CONTRAST MODULATION
75%
75%
red
green
blue
CORNER
FALL OFF
COLOR
SHIFT
CORNER
FALL OFF
COLOR
SHIFT
Image
Image
Image
Image
horizontal light output
100%
50%
vertical
light output
100%
50%
horizontal light ouptut
1
00%
5
0%
vertical
light output
100%50%
red
green
blue
horizontal light output
100%
50%
vertical
light output
100%
50%
horizontal light ouptut
100%
50%
vertical
light output
100%50%
WITHOUT CONTRAST MODULATION
WITH CONTRAST MODULATION
75%
75%
red
green
blue
CORNER
FALL OFF
COLOR
SHIFT
CORNER
FALL OFF
COLOR
SHIFT
Image
Image
Image
Image