NEC MultiSync FP1350 Service Manual page 62

4-4. Side Pincushion Adjustment
1) Open Menu (S), TAG3 "SIDE PIN".
Adjust "+", "-" SW so that the side pincushion distortion is small ( maximum ± 0.5 mm).
4-5. Trapezoid Distortion Adjustment
1) Open Menu (S), TAG3 "ALIGN".
Adjust "+", "-" SW so that the Trapezoid Distortion is equal to X
4-6. Parallelogram Distortion Adjustment
1) Open Menu (S), TAG3 "TILT". Adjust "+", "-" SW so that the vertical line and horizontal line at the
screen's center fall at right angles. (maximum 90° ± 0.5°)
A
B
C
Fig 4-4 Side Pincushion
Xtop
Xbtm
Fig 4-5 Trapezoid Distortion
Fig 4-6 Parallelogram Distortion
Signal: No. 33 (788*1200@75Hz) All white
Signal: No. 33 (788*1200@75Hz) All white
top
Signal: No. 33 (788*1200@75Hz) All white
5-21
A
B
C
and X . (| X - X
btm top btm
Xtop
Xbtm
| ≤ 1.0 mm)