Tektronix 2232 - Page 167

A Trigger SLOPE
A Trigger Mode
Appendix C: Performance Verification
Positive
(button out)
NORM
L
r
r
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r
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r
E?
L?
r?
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E?
r
r
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2
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z
2232 User Manual A-49
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b. Set the generator to produce a 50 kHz, 6.4 division display.
c. CHECK
- Display is triggered along the entire positive slope of the
waveform as the A Trigger
LEVEL control is rotated.
d. CHECK
- Display is not triggered (no trace) at either extreme of
rotation.
e.
Set the A Trigger
SLOPE button to Negative (button in).
f. CHECK
- Display is triggered along the entire negative slope of the
waveform as the A Trigger
LEVEL control is rotated.
g. CHECK
- Display is not triggered (no trace) at either extreme of
rotation.
Step 6: Check Single Sweep Operation
a.
Adjust the A Trigger
LEVEL control to obtain a stable display.
b. Set:
CH 1 AC-GND-DC
A Trigger SLOPE
A
& 6 SOURCE
A COUPL
A
SECIDIV
GND
Positive
(button out)
CH 1
NORM
20 ms
c.
Press in the SGL SWP button. The READY LED should illuminate
and remain on.
d. Set the
CH 1 AC-GND-DC switch to DC.
NOTE
The A INTENSITY control may require adjustment to observe the
single-sweep trace.
e. CHECK
- READY LED goes out and a single sweep occurs.
f.
Press in the
SGL SWP button several times.
g. CHECK
- Single-sweep trace occurs, and the READY LED illumi-
nates briefly every time the
SGL SWP button is pressed in and
released.
h. Disconnect the test equipment from the instrument.