NEC MultiSync FP1370 Service Manual page 52

4-10. Overall Distortion Adjustment
1) Confirm that adjustment on steps 4-2 to 4-9 meets the specifications.
2) If undulating, re-adjustment 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 example. In this state, each adjustment standard must be met.
5. Preset Picture Size and Position Adjustment
Signal: No. 3 (VGA480)
No. 6 (MAC 640*480)
No.12 (VESA 640*480@85Hz)
No.13 (MAC 832*624)
No.14 (800*600@85Hz)
Video: All White
1) Receive signal 3.
2) Open Menu (S), TAG2 "H.POSITION", "V.POSITION", "H.SIZE", "V.SIZE".
3) Adjust the picture size and position as listed below by "+", "-" SW.
Picture size
H: 396 ± 1.0 mm
V: 297 ± 1.0 mm
Picture Position
H: | XL
V: | XT
4) Push "EXIT" SW.
5) Receive the next signal and repeat steps 2) - 4).
Note: Before receiving the next signal, always push "EXIT" SW to store adjustments.
A
B
C
D
E
( | )
Fig 4-14 Undulated Definition
| " 1.0 mm
– XR
eft ight
| " 1.0 mm
– XB
op ottom
XLeft
Fig 5-1 Picture Position
Signal: No. 33 (788*1200@75Hz) All white
( || ) ( ||| )
No.17 (1024*768@75Hz)
No.21 (1280*1024@75Hz)
No.22 (1600*1200@75Hz)
No.23 (1600*1200@85Hz)
No.32 (1280*1024@85Hz)
XTop
Bezel
VIDEO
XRight
XBottom
5-23
( |V )