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Service Mode
10-2 5975338 BARCOVISION 9200 210497
Factory programmed password :
0000
SERVICE MODE
Modify Password
Reset Lamp Run Time
Lamp Run Time History
Convergence
Display Settings
Decoder Settings
Color Balance
I2C Device Test
878
Convergence adjustment of the LCD panels.
Every LCD panel has 6 adjustment screws. By turning these screws
you change the relative position of the panels and converge the
image.
Always start with the adjustment of the green panel. When the green
image is correctly focused, it will later on be used as the reference
image to converge the red and blue image.
Next alignments have to be done :
You have to adjust the green panel until the indicated lines on the
screen are focused (sharp lines). Continue with the red panel and
adjust until the red lines coincide with the green lines. Than continue
with the blue panel until the blue lines coincide with the green lines.
Follow the next procedure to adjust the LCD panels.
* Open the top cover as described in
Gaining access to the DIP
switches
under
Connecting to a computer
in chapter
Connections
.
The three mounting parts for the LCD's (two are shown on the
drawing below) are located on the black metal cover. The screws are
indicated from 1 to 6 for each color.
Note : the space between the LCD panel and the field lens has to be
4 to 5 mm. Otherwise when projecting a black image, a discoloring
will be visible. (To project a black image, select the internal pattern
'purity' and put all settings to '0')
To adjust the convergence, there are test patterns provided in the
service menu.
Use the control disk to hightlight
Convergence
and press ENTER to
display the
Convergence
menu.
Start with the Green test pattern and continue with the Red on green
and finish with the Blue on green.
SERVICE MODE
878d
Modify Password
Reset Lamp Run Time
Lamp Run Time History
Convergence
Display Settings
Decoder Settings
Color Balance
I2C Device Test
CONVERGENCE
879
Green
Blue on Green
Red on Green
Hatch
Use the control disk to select
Green
and press ENTER to display the
green pattern.