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e.
Enter:
DS> ATTACH RXSO DUA DUA2<RETURN>
OS> SBT LOAD DUA2:[SYS0.SYSHAINT)<RETURN>
DS> LOAD BHXVS<RETURN>
HAINTBNARCE
DS> ATTACH VCBOl HUB VCBO 777200 lOO<RETURN>
DS> SELECT VCBO<RETURN>
DS> START/SECTION=ALIGN<RETURN>
2.
Turn the HORIZONTAL FREQUENCY control
{R211)
clockwise
and counter-clockwise, noting the points where the image
loses synchronization.
There can be none, one,
or
two
points of sync loss:
a.
If there is no
loss
of
synchronization,
set
the
HORIZONTAL FREQUENCY control to its midrange.
b.
If there is one point, set the HORIZONTAL
FREQUENCY
control
midway
between the sync loss point and the
end of its range.
c.
If
there
are
two
points,
set
the
HORIZONTAL
FREQUENCY control midway between the two points.
3.5.3.3
Contrast -
1.
Run the VCBOl diagnostic and select
the
ALIGN
section
{see
subsection
3.3.1.1
or
Horizontal
Frequency
adjustment, above}.
2.
Using the rear panel CONTRAST control, increase contrast
until the horizontal crosshatch lines at the right start
to distort.
3.
Decrease contrast to the point where the
crosshatch
is
not
distorted
and there has been a noticeable decrease
in intensity.
3.5.3.4
Horizontal Size ·
1.
Run the VCBOl diagnostic and select
the
ALIGN
section
(see
subsection
3.3.1.1
or
Horizontal
Frequency
adjustment, above}.
2.
Using an
alignment
tool
adjust
the
HORIZONTAL
SIZE
control
until
the
image
is
set
to
3
width
of:
368.3
+/·
3 mm (14.5 in}.
3-25
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