Tektronix 576 - Page 114

Fi g .
5-4
. L ocation o f
adjust m
ents in step 4 .
h . ADJUST-13897, TRACE ROTATIONa d justment,
(see Fig . 5-4) if the trace is n ot p arallel .
i . Set the Calibration Fixture Ste
p
Generator Loads
switch to 1 Κ Collector S hort .
Horizontal
G raticule
L ines
10th

_ _
Ι
ι
9t h ~--
ι
ι
1
Ι
7th F- -
8th
6th
Center
4th r--
1
3rd i .- -
1
2nd ί
- -
ι
Ι
Zero L --
Zero 1st 2 nd 3rd 4t h Center 6th
V ertical Graticu le L
i
n es
ι
7th 8th 9th 10th
F
ig .
5-5 .
G
rat i cule l i ne la b els .
ρ .

R
ep
eat
p
arts
m
and
η
.
r . Re p eat p arts m and η .
P erfor m ance C h ec k /Cali br ation-Ty pe 576
j . C HE CK F O R -T r ace
p
arallel wit h t h e vertical cente r -
line (see F ig . 5-4) .
k . AD JU ST-13685, O RTH OGO N A L ITY a d j ustment,
on the DISPLAY AMP circuit board (see Fig . 5-6) if the
trace is not p arallel .
Ι . U sing the h orizontal P OSITION control, p osition t he
trace on the zero vertical graticule line of the CRT (see Fig .
5-5) .
m . CHECK FOR-Geometry of the trace (minimum
bowing) .
η
. ADJUST-19893, GEOMETRY ad justment (see F ig .
514)
for
minimum
bowing of trace
.
ο . P osition trace
on
the tenth soli d vertical graticule line
(see Fig . 5-5) .
q . Set the Calibration Fixture Ste p Generator Loa d s
switch to Off .
s .
P
osition
the trace
to
the
tenth horizontal graticule line .
5- 7
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r
ιιι rr ~ ι r ιιι r
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ίίί i ίίίίί
ME EMENEEN