Tektronix 071-0590-00 user manual Confirmation of Error Injection Rates

Performance Verification

Confirmation of Error Injection Rates

qStep 29: In the Analyzer ERROR DETECTION section, press the ‘DISPLAY SELECT’ key until there is an ∞ (infinity) symbol on the display preceding the error rate.

qStep 30: At the Analyzer, press the ‘CLEAR’ key in the ERROR HISTORY section, and press the ‘CLEAR’ key in the ERROR DETECTION section to clear the history LEDs and error rate display.

qStep 31: In the Generator ERROR INJECTION section, press the ‘SINGLE’ key and confirm on the Analyzer the BIT LED (in the ERROR HISTORY section) lights and that the displayed error total increases by one each time you press the ‘SINGLE’ key. Press this key at least 20 times.

Note

Press the ‘SINGLE’ key briefly. If you hold it down, the Generator injects errors repeatedly into the data stream.

qStep 32: In the ERROR HISTORY section, press the ‘CLEAR’ key to clear the history LEDs.

qStep 33: In Generator ERROR INJECTION section, press the ‘RATE’ key. ERR 1E-7 will appear on the display. The ERROR INJECTION LED should be on steadily.

qStep 34: In the Generator ERROR DETECTION section, press the ‘CLEAR’ key to clear the totalize error display.

qStep 35: Wait 15 seconds, then confirm that the error rate displayed on the Analyzer matches the Generator injected error rate and that the Analyzer BIT LED in the ERROR HISTORY section is lighted.

qStep 36: In the Generator ERROR INJECTION section, press the ‘RATE’ key once to select the next error rate.

qStep 37: Repeat steps 33 through 35 until all Generator error rates have been verified and EXT appears on the Generator display. Press the Generator ‘ERROR RATE’ key once more to turn off error injection.

qStep 38: Look straight at the Generator LCD panel. Depress the VIEW ANGLE button until you see the darkest digits. Change the vertical angle from which you view the display and adjust the clarity by depressing the VIEW ANGLE adjust button. This is to verify that the contrast of the display can be optimized for the user’s viewing angle.

qStep 39: Repeat Step 37 for the Analyzer.

qStep 40: Set the Generator and the Analyzer to Factory Default settings. Verify that the Analyzer SYNC LOCK light illuminates. Push the CLEAR key in the ERROR HISTORY section. Record the delay value shown on the display (lower left display area) for later use. De-select AUTOSEARCH on the Analyzer. Press the ‘DELAY’ key in the input section of the Analyzer. Vary the delay using the ‘UP’ and ‘DOWN’ arrow

GB1400 Acceptance Test E-7