Tektronix 784A Manual de usuario descargar pdf (Pagina 82)

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

Highlight Cal

Verify Pass

Figure 4–2: Verifying Adjustments and Signal-Path Compensation

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Tektronix 784A Manual de usuario Pagina 82