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Brief Procedures
4–6
TDS 684A, TDS 744A, & TDS 784A Service Manual
e. Confirm the three adjustment sections have passed status:
H Press SHIFT; then press UTILITY.
H Highlight Cal in the pop-up menu by repeatedly pressing the
main-menu button System. See Figure 4–2.
H Verify that the word Pass appears in the main menu under the
following menu labels: Voltage Reference, Frequency Response,
and Pulse Trigger. See Figure 4–2.
f. Run the signal-path compensation: Press the main-menu button Signal
Path; then press the side-menu button OK Compensate Signal Paths.
g. Wait: Signal-path compensation may take five minutes on the
TDS 7XXA or fifteen minutes on the 684A to run. While it progresses, a
“clock” icon (shown at left) is displayed on-screen. When compensation
completes, the status message will be updated to Pass or Fail in the
main menu. See step h.
h. Confirm signal-path compensation returns passed status: Verify that the
word Pass appears under Signal Path in the main menu. See Figure 4–2.
Verify Pass
3
Highlight Cal
1
Verify Pass
2
Figure 4–2: Verifying Adjustments and Signal-Path Compensation