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R5906790 /04
Athena
113
Convergence test pattern
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1
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5
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Image 12-2
The test pattern illustrated above is specifically designed for convergence purposes. The test pattern has
three blue arrows numbered from 1 to 3 and three green arrows numbered from 4 to 6. These numbers and
colors correspond to those of the control knobs. Each knob is marked with an arrow which corresponds to the
direction indicated on the screen.
Adjustment Range
Prevent damage to the system by limiting the amount/number of adjustment (s) made. Typically the
convergence adjustments serve to correct a convergence fault of a few pixels at the most. Any convergence
fault beyond this is considered grossly abnormal and likely indicates abuse or rough handling. However, in
extreme cases correction of up to 10 pixels is possible.
CAUTION:
The system does have an end of travel in either direction, but using excessive force may
cause damage. Please handle gently.
Troubleshooting 'dead zone' of control knob
In the rare event that a knob is loose in the perfect convergence position, it is preferable to continue translating
the image away for approximately 20 to 30 pixels (max 1 revolution of the knob(s)). Note that this is the only
time we allow for extreme adjustment. Thereafter, return the image back immediately to the correct position.
The knob should now have become tighter in the final position and therefore resists turning due to vibrations
and such. Repeat the procedure if you feel the knob is still loose.
12.2 Preparing for convergence adjustment
Required tools
•
7mm flat screwdriver.
Summary of Contents for Athena
Page 1: ...ENABLING BRIGHT OUTCOMES Installation manual Athena ...
Page 8: ...R5906790 04 Athena 8 ...
Page 28: ...R5906790 04 Athena 28 Installation process ...
Page 36: ...R5906790 04 Athena 36 Physical installation ...
Page 58: ...R5906790 04 Athena 58 Input Communication ...
Page 100: ...R5906790 04 Athena 100 Starting up ...
Page 126: ...R5906790 04 Athena 126 Lamp House ...
Page 130: ...R5906790 04 Athena 130 Preventative maintenance actions ...
Page 151: ...R5906790 04 Athena 151 1 Image 16 18 Removal and installation of the projector covers ...
Page 152: ...R5906790 04 Athena 152 Removal and installation of the projector covers ...
Page 160: ...R5906790 04 Athena 160 Specifications ...
Page 168: ...R5906790 04 Athena 168 Pin configurations ...
Page 169: ...169 R5906790 04 Athena Environmental information C ...
Page 178: ...Glossary R5906790 04 Athena 178 ...
Page 183: ...R5906790 04 Athena 183 ...