A number of test patterns are provided to check the operation of the projector.
Selected from the Main menu the Test Pattern window is as shown below.
Convergence
- a cross pattern generated by the digital board and used by factory
set-up staff for converging the DMD light valve. This pattern is also useful to
confirm projector alignment.
Contrast
- a 4 by 4, black and white checked pattern generated by the digital board
electronics and used to measure contrast ratio.
Grid
- a grid generated by the digital board electronics consisting of white lines on
a black background that performs a similar function to convergence.
White Field
- a digital white field generated by the digital board electronics to
check full field contrast ratio.
Black Field
- a digital black field generated by the digital board electronics to
check full field contrast ratio.
C—31
System Operation
Test Patterns
OPERATION
LBV00056; Revision C - 01/03/03
D i g i t a l P r o j e c t i o n
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T E S T P A T T E R N S
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W h i t e F i e l d
B l a c k F i e l d
C o l o u r B a r s
G r e y s c a l e
B o r e s i t e
Summary of Contents for lightning series
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Page 32: ...System Installation INSTALLATION LBV00056 Revision C 01 03 03...
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