Tektronix 2247A

Tektronix. MANUAL CHANGE INFORMATION
COMMITTED TO DCLLENCE
Date: 11-26-90 Change Reference: C7/1190
Product:
_2247A
OPERATORS
Manual
Part
Number:
_070-6373-01
DESCRIPTION Product Group 46
EFFECTIVE ALL SERIAL NUMBERS
Pages
7-32,
7-33
Step
4.
150
MHz
Trigger
Sensitivity
Replace
parts
o
through
s
of
Step
4
with
parts
o
through
u
shown
below.
0.
CHECK
—
that
the
display
is
stably
triggered
with
NOISE
REJ
Trigger
CPLG.
p.
Set
leveled
sine-wave
generator
output
for
a
0.5
division
display
amplitude
at
100
MHz.
q.
CHECK—that
the
display
is
not
triggered
in
NOISE
REJ
Trigger
CPLG.
t.
Set
leveled
sine-wave
generator
output
for
a
1.0
division
display
amplitude
at
100
MHz.
s.
CHECK
that
the
display
is
not
triggered
in
HF
REJ
Trigger
CPLG.
t. Set:
TRIGGER CPLG DC
Horizontal MODE B
A/B SELECT B Trigger
u. Repeat parts n through u for the B Trigger.
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