Fluke ScopeMeter 123 Service Manual page 69

15. Verify that the 5500A voltage is between +1.5V and +2.5V when the test tool is
triggered. To repeat the test, start at step 12.
16. Set the 5500A to Standby.
17. Press to clear the display.
18. Select the following test tool setup:
•
Press to open the SCOPE INPUTS menu.
•
Press to open the TRIGGER menu, and choose:
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INPUT: B | SCREEN UPDATE:
•
Press to enable the arrow keys for Trigger Level and Slope adjustment.
•
Using select positive slope triggering (trigger icon
•
Using
positive slope triggering, the trigger level is the top of the trigger icon ( ).
19. Set the 5500A to source 0.4V DC.
20. Verify that no trace is shown on the test tool display, and that the status line at the
display bottom shows
then press to re-arm the test tool for a trigger.
21. Increase the 5500A voltage slowly in 0.1V steps, using the 5500A EDIT FIELD
function, until the test tool is triggered, and the traces are shown.
22. Verify that the 5500A voltage is between +1.5V and +2.5V when the test tool is
triggered.
To repeat the test, start at step 19.
23. Set the 5500A to Standby.
24. Press to clear the display.
25. Press to enable the arrow keys for Trigger Level and Slope adjustment.
26. Using select negative slope triggering ( ).
27. Using set the trigger level to +2 divisions from the screen center. For
negative slope triggering, the trigger level is the bottom of the trigger icon ( ).
28. Set the 5500A to source +3V DC.
29. Verify that no trace is shown on the test tool display, and that the status line at the
display bottom shows
then press to re-arm the test tool for a trigger.
30. Decrease the 5500A voltage in 0.1V steps, using the 5500A EDIT FIELD function,
until the test tool is triggered, and the traces are shown.
31. Verify that the 5500A voltage is between +1.5V and +2.5V when the test tool is
triggered. To repeat the test, start at step 28.
32. When you are finished, set the 5500A to Standby.
I
FREE RUN | AUTO RANGE:
set the trigger level to +2 divisions from the screen center. For
. If the display shows the traces and status
Wait:B
. If the display shows the traces and status
Wait:B
Performance Verification
4.5 Input A and Input B Tests
I
>15HZ
).
,
Hold:B
,
Hold:B
4
4-13