6 : C a l i b r a t i o n , A l i g n m e n t , a n d A d j u s t m e n t P r o c e d u r e s
CHRISTIE INCORPORATED
P35GPS Projector
6-3
June, 1998
6 . 1 . 5 . A
L I G N M E N T
V
E R I F I C A T I O N
1.
Repeat vertical and horizontal alignment procedures described in
2.
Recheck to verify that optimum alignment has been achieved.
6 . 1 . 6 . P
E R F O R M A N C E
C
H E C K
: C
R O S S T A L K
1.
Run Dolby Cat. 97 cell alignment film.
2.
Verify that there is no crosstalk between left and right processor test points.
6 . 1 . 7 . I
L L U M I N A T I O N
U
N I F O R M I T Y
1.
Run Dolby Cat. 566 illumination uniformity film.
2.
Connect left and right processor test points.
3.
Verify that illumination uniformity across cell is within ±0.5 dB.
6 . 1 . 8 . F
I N A L
C
H E C K
1.
Verify Dolby tone reference levels.
2.
Run Buzz Track film.
3.
Verify frequency response and azimuth.
4.
Check that all locking adjustments are tight.
Repeat appropriate procedures from
if adjustments are
necessary.
6.2. D
I G I T AL
S
O U N D H E AD
A
L I G N M E N T
The polarity of visible red LEDs may be opposite from that of infrared
LEDs.
6 . 2 . 1 . P
R E L I M I N A R Y
S
T E P S
1.
Turn LED power supply down (CCW) to minimum.
2.
Connect video cable to CCD assembly.
3.
Turn on digital processor.
4.
Apply AC power to projector and verify that LEDs are operational.
