NEC MultiSync FE700 Serviceanleitung Seite 81

3-6. Side Pincushion Adjustment
Signal : 1-3 , 5-12 , 14-18 , 20 , 101 , 103 , 105
Reverse cross hatch pattern
(1) Open Menu (F), TAG 4 " IN / OUT ". Adjust "+", "－" SW so that the side pincushion distortion is
minimized ( maximum ±0.5 mm).
A
B
C
3-7. Distortion Adjustment
Signal : No. 11 (VESA 800*600@75Hz) Reverse cross hatch pattern
(1) Confirm that adjustment on steps 3-1 to 3-6 meets the specifications.
(2) If undulating, re-adjust each distortion adjustment. Undulation is a directional difference of tilt at
either AC and CE or both. Following figures (I) and (II) are example. AB and BC, CD and DE are
the direction of tilt. Undulated correction is the same direction of tilt at AB and BC, CD and DE.
Following figures (III) and (IV) are examples. In this state, each adjustment standard must be satisfied.
Fig 3-5 Side Pincushion
A
B
C
D
E
（Ⅰ） （Ⅱ） （Ⅲ）
Fig 3-6 Undulated Definition
5-16
A
B
C
（Ⅳ）