HP 54501A - Focus Adjustment; And Height Adjustments

4-8 . Focus
Adjustment and Horizontal Phase
Adjustments
1 .

Adjust sweep board
H . PHASE to center menu horizontally on
the CRT
screen .
4-9
.
Vertical Linearity and Height
Adjustments
NOTE
The V . LIN and HEIGHT adjustments are
interactive and may need to
be repeated as necessary
.
3 .

Readjust
steps 1 and 2 as necessary
for a uniform display of the screen menu .
HP 54501A ADJUSTMENTS
2 .

Adjust sweep
board FOCUS control for sharp percent
symbol (%) on the top and bottom
blocks of
text .
1 .

Adjust
sweep board
V
. LIN
for equal height
of
corner squares . Square height should be ap-
proximately 25 mm .
2 .

Adjust
sweep board HEIGHT to give
the screen menu top and bottom borders equal to ap-
proximately 1 cm .