NEC MultiSync FE700 Serviceanleitung Seite 79

3. Deflection Distortion Adjustment
Note : Turn the CRT face to east and degauss the monitor using an external degaussing coil.
Hide the OSM menu when confirm the distortion.
When adjustment is finished, close menu to store the data values.
3-1. Horizontal / Vertical Size Rough Adjustment
Signal: No. 11 (VESA 800*600@75Hz) Reverse cross hatch pattern
(1) Receive signal 11.
(2) Open Menu (F), TAG 2 "LEFT / RIGHT", "DOWN / UP", "NARROW / WIDE ", " SHORT / TALL "
and adjust the screen size to the following values.
Horizontal Size :
Vertical Size :
(3) Close menu.
3-2. Picture Tilt Adjustment
Signal: No. 11 (VESA 800*600@75Hz) Reverse cross hatch pattern
(1) Receive signal 11.
(2) Open Menu "DEGAUSS OK".
(3) Turn the CRT face to east and degauss the monitor using an external degaussing coil.
(4) Make sure that the picture tilt meets the following specification :
X ≦ ± 1.0 mm
If out of specification and cannot be adjusted, check and correct CRT assembly if necessary.
(5) Open Menu (F), TAG 4 "ROTATE" and adjust "+", "－" SW so that the picture tilt meets the
following standards. The maximum correction is ±1.0 mm.
X ≦ ± 0.5 mm
3-3. Parallelogram Distortion Adjustment
Signal: No. 11 (VESA 800*600@75Hz) Reverse Cross Hatch Pattern
(1) Open Menu (F), TAG4 " TILT ". Adjust "+", "－" SW so that the vertical line and horizontal line at
the screen's center is at right angles.(maximum 90 ﾟ ± 0.5 ﾟ)
315 mm ± 8 mm
236 mm ± 6 mm
Fig 3-1 Picture Tilt
Fig 3-2 Parallelogram Distortion
5-14
+X
-X