3M
Multimedia Projector MP8670/8745/8755/8770
Adjustments
Copyright
2000, 3M IPC. All Rights Reserved.
1-9
2
Alignment
1-7-4.
S/H Timing Adjustment
Adjustment Preparations
1.
Use a SVGA (MP8670) or XGA (MP8745), VESA
(60) timing signal to input a 0.7V p-p cross hatch
signal.
2.
Use
H-PHASE
in the Adjustment Menu to adjust the
cross hatch pattern so it is most clearly visible.
3.
Reset
S/H
.
•
Position the cursor on S/H in the adjustment Menu
and Press the
RESET
key.
Adjustment Procedure
1.
Use
S/H – S/H Timing
in the Adjustment Menu until
the Vertical Stripes in the cross hatch pattern are the
most clearly visible.
2.
Check to see that the vertical jitter is within the range
of -16 < A < +16 at the value obtained from step 1.
3.
If there is jitter, change
S/H – S/H POL
, in the
adjustment Menu, from
POSI
to
NEGA
or
NEGA
to
POSI
.
4.
Return S/H – S/H TIMING to the value obtained in
step 1.
