Picture Control in Adjustment Mode
9-1
5975348 BARCOVISION 8200 210497
9PICTURE CONTROL IN ADJUSTMENT MODE
The picture control menu is split up in two parts :
Signal operations
and
Screen operations.
Signal operations
: to manipulate the video signal, e.g. sync slow/fast, color balance adjustment etc.
Screen operations
: to manipulate the projection window and the picture, e.g. shift, stretch, enlarge and reduce.
Signal operations.
Select first the Picture Control menu on the Main menu by pushing
the control disk up or down.
Press ENTER to select.
MAIN MENU
832a
Picture Control
System Settings
File service
Service Mode
PICTURE CONTROL
860a
Signal operation
Screen operation
SIGNAL OPERATIONS
Video offset 128
Gain
Gain red 160
Gain green 160
Gain blue 160
Gamma 1.0
Smoothness 4
Still Video [Off]
Sync [Slow]
Color balance
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Push the control disk up or down to select Signal Operations.
The default setting for all items are shown in the menu next to this text.
To change a value in the Signal Operation menu, select first the item
by pushing the control disk up or down and follow then one of the two
following methods :
a. direct access, with the numeric keys on the RCU or local keypad.
b. scrolling by pushing the control disk to the right or to the left until
the desired value (image quality) is obtained.
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861
Video offset
Default value : 128
To adjust the Video offset, be sure the contrast level is adjusted to "48"
(brightness setting has no influence) and the color saturation is set to
zero (for video). When possible use a grey scale test pattern. Adjust
until the second last bar (dark grey) is distinguishable from the last bar
(black).
Gain
Default value : 160
To adjust the Gain, be sure the contrast level is adjusted to "48".
When possible use a grey scale test pattern. Adjust until the first white
bar is distinguishable from the second white bar.