Tektronix 434, Instruction Manual

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Calibration—434
e. V e rtic a lly center the display in the CRT viewing area
w ith the CH 1 PO SITIO N c o n tro l.
f. C H E C K —C RT display fo r o p tim u m risetim e w ith
aberrations ty p ic a lly less than +2%, —2%, a to ta l o f 2%
peak to peak (+3%, —3%, to ta l o f 3% peak to peak if this
measurement is being made outside o f the +20°C to +30°C
tem perature range).
g. A D J U S T —C 217, C 226, C 461, R 461, C572, L533,
and L584 (see Fig. 5-9) fo r o p tim u m risetim e and aberra­
tio n s ty p ic a lly less than +2%, —2%, or a to ta l o f 2% peak to
peak (+3%, —3%, a to ta l o f 3% peak to peak if th is measure­
m ent is being made outside o f the +20°C to +30°C
tem perature range).
h. Position the to p o f the display to the b o tto m g rat­
icule line.
i. C H E C K —CRT display fo r aberrations ty p ic a lly less
then +4%, —4%, or a to ta l o f 6% peak to peak.
N O T E
The tolerances given in steps i, o, t, an d w a p p ly o n ly
in the tem perature range o f + 2 0 °C to + 3 0 °C.
j. Remove the Square-Wave Generator signal fro m the
CH 1 in p u t connector and connect it to the CH 2 in p u t
connector.
k. Set V e rtica l Mode to CH 2 and v e rtica lly center the
display w ith the CH 2 P O S ITIO N c o n tro l.
I. C H E C K —CRT display fo r o p tim u m risetim e w ith
aberrations ty p ic a lly less than +2%, —2%, or a to ta l o f 2%
peak to peak (+3%, —3%, or a to ta l o f 3% peak to peak if
this measurement is being made outside o f the +20 C to
+30°C tem perature range).
m . A D J U S T —C317 and C326 (see Fig, 5-9) fo r
o p tim u m risetim e w ith aberrations ty p ic a lly less than +2%,
—2%, or a to ta l o f 2% peak to peak (+3%, —3%, o r a to ta l
o f 3% peak to peak if this measurement is being made
outside o f the +20° C to +30° C tem perature range).
5-18
F ig . 5 -9 . L o c a tio n o f v e rtic a l system h ig h -fre q u e n c y c o m p e n s a tio n a d ju s tm e n ts .