Operating Information
2-10
TDS5000B Series Service Manual
Do the following steps to verify the instrument passes the internal diagnostics.
1. Display the diagnostics menu:
H If the oscilloscope is in toolbar mode, click the MENU button to put the
oscilloscope into the menu bar mode.
H Select Instrument Diagnostics . . . from the Utility menu.
2. Run the diagnostics.
H First disconnect any input signals from all four channels.
H Click the Run button in the diagnostics control window.
3. Wait for the diagnostics to complete.
The internal diagnostics do an exhaustive verification of proper
oscilloscope function. This verification may take several minutes to
complete. When the verification is finished, the resulting status will
appear in the diagnostics control window.
4. Verify that no failures are found. If any failures occur, use the “DIAG:RE-
SULTS:VERBOSE?” query for details on the errors.
Run the Signal Path Compensation.
NOTE. The oscilloscope must be warmed up to operating temperature. Signal
Path Compensation is not valid until the oscilloscope Calibration Status reaches
Temp status.
1. Select Instrument Calibration . . . from the Utility menu.
2. Verify that the instrument has had a twenty-minute warm-up before
continuing.
3. Click the Calibrate button to start the routine.
4. Wait for the test to complete (the test may take several minutes to complete).
5. Verify that the word Pass appears under the Status label in the control
window.
Instrument Diagnostics
Signal Path Compensation
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