Christie DHD630-GS Installation Manual page 21

• For 700-GS, 850-GS, and 1075-GS, to enable the boresight adjustment mode, from the
on-screen display select Configuration > Service > UST Lens Install > Test Pattern 1
to 4.
• For 630-GS and 635-GS, to enable the boresight adjustment mode, from the on-screen
display select Settings > Service > UST Lens Install > Pattern 1 to 4.
• For 880-GS, 1100-GS, and 635-GS, to enable the boresight adjustment mode, from the
on-screen display select Configuration > Service > UST Pattern > Test Pattern 1 to
4.
5. Using the L-shaped socket key, adjust the three boresight screws (A, B, and C in the image in
Step 1) counterclockwise until tight.
6. To adjust the boresight for optimized image quality, use the L-shaped socket key.
a) To focus the center of the screen, adjust the floating and back focus.
To adjust the floating focus, select FOCUS. To adjust the back focus, select ZOOM.
b) To focus the left area of the screen, adjust the B boresight screw.
c) To focus the right area of the screen, adjust the A boresight screw.
d) To focus the top area of the screen, select FOCUS.
e) To focus the bottom area of the screen, adjust the C boresight screw.
7. If the distance between the projection image center and the target center is too large in Y
direction, adjust boresight A (shown in the image below) to make the projection image center
close to the target screen center (within +/-1cm).
8. To complete the installation of the lens support bracket, install two M3x8 hex screws and two
M3 washers to secure the lens bracket to the lens support bracket assembly.
Ultra Short Throw Lens Installation Instruction Sheet
020-102569-07 Rev. 1 (12-2022)
Copyright © 2022 Christie Digital Systems USA, Inc. All rights reserved.
If printed, please recycle this document after use.
Ultra short throw lens installation
21