Wyse WY-60 Maintenance Manual page 58

Height
The height adjustment is labeledVR302 on the terminal PCB.
Display test pattern O.
Adjust VR302 until the top edge and the bottom edge of the
dis p la y are both 11m m + 2 mm from t he e d g e
0
f t he be z e
1 .
Width
Caution--Do
not use
a
metal tool to adjust the width coil. The
magnetic properties of a metal tool will affect the adjustment.
The width adjustment is labeled L202 on the terminal PCB.
Display test pattern O.
Adjust L202 until either side of the display is 11mm +2mm from
the edge of the bezel.
Yoke Lock
The yoke lock corrects tilt problems. It is located on the neck
of the CRT (See Figure 4-3). Display test pattern O.
1.
Loosen the yoke lock on the neck of the CRT.
2. Rotate the yoke until the top and bottom edges of the
display are level with the top and bottom of the bezel.
Warning--Do
not tighten the yoke lock too much or the neck
of the CRT will break, and shoot broken glass for a radius
of six to ten feet.
3.
Tighten the yoke lock.
Centering Rings
There are two display centering rings around the yoke. When
turned, they move the display position on the screen. Figure
4-4
shows the rings. If the display isn't in the center of the
screen, turn the rings until it is.
4
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