TDS 340A, TDS 360 & TDS 380 Technical Reference
4–5
Self Test
This procedure uses internal routines to verify that the oscilloscope functions and
passes its internal self tests and signal-path compensations. It also confirms that
the oscilloscope was adjusted properly at the time it was last adjusted. No test
equipment or hookups are required.
Equipment Required: None.
Time Required: Approximately 5 minutes.
Prerequisites: Power up the oscilloscope and allow a 20 minute warm up before
doing this procedure.
Procedure:
1. Press the front-panel button UTILITY.
2. Press the main-menu button System to select Diag.
3. Press the main-menu button Execute and then press the side-menu button
OK Confirm Run Test. The internal diagnostics verify proper oscilloscope
function. This verification takes about 30 seconds. While it progresses, a
variety of test patterns flash on screen. When finished, status messages
appear on the screen.
4. Check that the screen reports no failures. If it reports a failure, the oscillo-
scope has failed the self test. Contact your Tektronix representative for
assistance.
5. Press CLEAR MENU.
6. Press UTILITY and then press the main-menu button System to select Cal.
7. Check that the word Pass appears in the main menu under the Voltage
Reference, Timing, and Ext Trig menu labels. (See Figure 4–2.) If any of the
labels read Fail, the oscilloscope has failed the self test. Contact your
Tektronix representative for assistance.
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