Service Mode

When undo is pressed all convergence settings are reset to the previous settings.

Dynamic Astigmatism (spot shape adjustment)

The spot shape adjustments correct the spot shape in 8 different areas on the screen and that for the three colors separately.

The spot shape is adjusted according to the axial axises and the diagonal axises when using the arrow keys on the RCU.

These adjustments have to be done on a dot pattern (e.g. the internally generated pattern) with standard line frequency (15 kHz). The adjustment values are stored in the EEPROM and remain the same for all frequencies.

Follow the next procedure :

1

2

3

4

 

5

6

7

8

Spot shapes

before dynamic

astigmatism correction

Diagonal

Spot shapes

astigmatism correction

after dynamic

(use the

and

astigmatism correction

arrow key)

 

Axial

astigmatism correction (use the and

arrow key)

Highlight 'Dyn. Astigmatism' by pushing the joy stick forward or backward and press ENTER to select.

EXIT returns to the path selection main menu.

Select the source type, selected source or genlock pattern, by highlighting the color for which the spot shape has to be corrected and press ENTER.

e.g. when selecting RED under 'on genlocked pattern', the projector switches to a genlocked pattern.

Press ENTER to continue adjustment.

Increase the contrast level using the Contrast Control to near maxi- mum. Using that "+" Sharpness Key, defocus the image until the dots are large and easily visible. Press ENTER to continue to SEL.

SEL : select the adjustment area on the screen where the spot shape has to be corrected.

Use the arrow keys to select one of the 8 areas. Press ENTER to continue to ADJ.

ADJ : adjust the spot shape in the axial or diagonal direction when using the arrow keys for the selected area. Adjust until the spot shape is circular.

SERVICE MODE

IDENTIFICATION

COPY A BLOCK

DELTE A BLOCK

DELETE ALL BLOCKS

CHANGE PASSWORD

CHANGE LANGUAGE

RUN TIME

SET TO MIDPOSITION

CONVERGENCE MID

DYNAMIC ASTIGMATISM

MORE...

DYNAMIC ASTIGMATISM

ON SELECTED SOURCE

RED

GREEN

BLUE

ON GENLOCKED PATTERN

RED

GREEN

BLUE

Select pattern or color

with or then <ENTER> <EXIT> to return.

DYNAMIC ASTIGMATISM

First adjust the defocusing

of the image.

SEL : select area using arrow keys

ADJ : adjust axial astigmatism using

or , diagonal astigmatism using

or

Toggle between SEL and ADJ

with <ENTER>

<ENTER> to continue

<EXIT> to return.

7-6

 

5975847 BARCOGRAPHICS 1208S 220197

 

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Barco R9000896, R9000893 owner manual Dynamic Astigmatism spot shape adjustment

R9000896, R9000893 specifications

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