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12. Convergence
Convergence test pattern
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Image 12-3
Convergence test pattern
The test pattern illustrated above is specially designed for convergence purposes. The test pattern has three red arrows numbered
from 1 to 3 and three green arrows numbered from 4 to 6. These numbers and colors correspond with the numbers and colors of
the extended control knobs. The direction of the arrow shows the movement of the channel color (red or green) when turning the
corresponding knob in the direction indicated by the arrow marked on the knob.
The three convergence control knobs of one channel stand in relation with each other. So, a change to one
of them will also effect the adjustment results of the two others. Therefore, all three control knobs have to
be alternately and repeatedly adjusted until the projected color is perfectly converged with the blue reference
color of the test pattern.
Adjustment range
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The adjustment range is limited to approximately 30 pixels in both directions.
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One turn (360°) of a control knob relates to an approximately 30 pixel displacement on the screen.
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When changing the adjustment direction there will be some play of approximately one turn (360°).
12.2 Preparing the convergence adjustment
Necessary tools
Flat blade screwdriver
Prepare projector for convergence adjustment
1. Remove all side covers and top cover of the projector, see "Removal and installation of projector covers", page 67.
2. Open the sealed compartment of the light processor, see "Open the sealed compartment", page 72.
3. Remove the convergence cover plate as follow:
R5905050 DP2K C-SERIES 10/07/2012
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Summary of Contents for DP2K-12C
Page 1: ...DP2K C series Installation manual For DP2K 12C DP2K 15C DP2K 20C R5905050 04 10 07 2012...
Page 6: ......
Page 64: ...8 Starting up 58 R5905050 DP2K C SERIES 10 07 2012...
Page 92: ...11 Maintenance 86 R5905050 DP2K C SERIES 10 07 2012...
Page 104: ...13 Specifications 98 R5905050 DP2K C SERIES 10 07 2012...
Page 108: ...A Pin configurations 102 R5905050 DP2K C SERIES 10 07 2012...