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9. System Optical Alignment
Clear 3D imagery synthesis depending on the upper and lower beam image
position and the middle beam image size.
9.1 The upper and lower beam position adjustment
Adjustment screws are located on the back of optical unit. Use left
adjustment screw to adjust up/down position of upper and lower beam.
Use right adjustment screw to adjust left/right position of upper and lower
beam, as shown in Figure 9-1-1.
Block upper beam temperately
when adjusting lower beam
Block lower beam temperately
when adjusting upper beam
Upper Beam Adjustment Screw
Adjust up/down
1
position of
upper beam
Remove screen protector
before adjustment
Adjust up/down
3
position of
lower beam
POWER
L/R
ON/OFF
Lower Beam Adjustment Screw
Figure 9-1-1 Fold Mirror Adjustment
13/15
Upper Beam
Middle Beam
Lower Beam
Adjust left/right
2
position of
upper beam
Adjust left/right
4
position of
lower beam
L/R
SYNC
POWER
MOTOR
SYNC
Position projector lens focuses on the screen, fine adjust upper beam and
lower beam position to coincide the cross calibration pattern align with
middle beam, when finish, adjust the size of middle beam image to center
align the whole page, as shown in Figure 9-1-2.
Adjust upper beam
1
position to align the cross
calibration pattern
Adjust lower beam
2
position to align the cross
calibration pattern
Figure 9-1-2 Apply the Correction by Adjusting the Fold Mirror
9.2 Adjust middle beam image size
The middle beam image size adjustment screws are located on both sides
of the light incident window. Adjust middle beam image to align with
upper and lower beam image, as shown in Figure 9-2.
Seal the adjustment
holes with adhesive
tape after installation
Middle Beam
Adjustment Screw
POWER
L/R
ON/OFF
Figure 9.2 Holes for adjusting middle beam image size
3
Adjust the middle beam
image to align with upper
and lower beam image
Adjusting middle beam
image size in left and
right simultaneously.
Middle Beam
Adjustment Screw
L/R
SYNC
POWER
MOTOR
SYNC
14/15