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20 C2928M-A (4/07)
Alignment and Adjustment
ALIGNING THE OPTICAL ENGINE
The optical engine must be adjusted to aim the picture accurately at the screen. Although the optical engine was perfectly adjusted when the
PMCD750 unit left the factory, vibration along the way may have moved it. It is important to check this mechanical adjustment of the optical
engine before any electronic adjustments are made to the picture.
The following procedure is required for a stand-alone unit and all units in a wall system.
To align the optical engine, refer to Figure 11 and do the following:
1. Open the Main Menu by pressing the MENU button on the remote control.
2. Using the
! button on the remote, scroll down to Advanced Options, and then press the + button on the remote.
3. Scroll down to Engine Alignment, and then press +.
4. Scroll down to Test Pattern.
Figure 11. Test Pattern
5. Press the ENTER button on the remote control until Grid appears. A grid pattern will fill the screen. Refer to Figure 12.
Main Menu
Picture
Size & Position
Advanced Options
Program Information
Aspect Ratio & Wall
Memory
Diagnostics
Advanced Options
Color Balance
Miscellaneous Options
Engine Alignment
Menu Options
Lamp Settings
Serial Port Settings
Auto Setup Options
Engine Alignment
Left Side
Right Side
Horizontal
Image Size
Test Pattern Grid