Tektronix 2247A

Performance Check Procedure
c. Set generator for 2 ms time markers.
d. CHECK—sweep length of the A trace is greater than 10 divisions.
6. Set:
Horizontal MODE B
B SEC/DIV ims
A/B SELECT B Trigger
Trigger MODE RUNS AFTER
k- OR DELAY Control cew to the
lowest DELAY
readout value
B INTEN For a visible
display
f. CHECK—the Delay Time readout is 70.000 ms, and the B Sweep
length Is greater than 10 divisions.
2. Horlzontal POSITION Range
a. Set:
Horizontal MODE A
Horlzontal POSITION Fully cw
b.
CHECK—that
the
start
of
trace
positions
past
the
center
vertical
graticule
line.
¢. Set Horizontal POSITION fully cew.
d.
CHECK—that
the
11th
tlme
marker
Is
positioned
to
the
left
of
the
cen-
ter
vertical
graticule
line.
3. VAR SEC/DIV Range
a. Set:
SEC/DIV ims
SEC/DIV VAR Fully cow
Horizontal POSITION 12 o'clock
b.
Set
time-mark
generator
for
5
ms
time
markers.
7-38
2247A
Operators
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