Figure 1-18: Measurement Of Trigger Sensitivity - 50 Mhz Results - Tektronix TDS 500D Technical Reference

Check if stable trigger.
TDS 500D, TDS 600C, TDS 700D & TDS 714L Performance Verification and Specifications
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
2 ms/division and faster, TRIG'D will remain constantly lighted. It
will flash for slower settings.
H Press TRIGGER MENU; then press the main-menu button Slope.
H Adjust the TRIGGER LEVEL knob so that there is a stable trigger.
CHECK that the trigger is stable for the test waveform on the
positive slope.
H Use the side menu to select the negative slope. Adjust the TRIG-
GER LEVEL knob so that there is a stable trigger. CHECK that the
trigger is stable for the test waveform on the negative slope.
H Enter pass/fail result for main trigger on the test record.
H Leave the Main trigger system triggered on the positive slope of the
waveform before continuing to the next step.
Figure 1–18: Measurement of trigger sensitivity – 50 MHz results shown on a
TDS 684C screen
c. Check Delayed trigger system for stable triggering at limits: Do the
following subparts in the order listed.
H Press HORIZONTAL MENU; then press the main-menu button
Time Base. Press the side-menu button Delayed Only; then press
Delayed Triggerable in the same menu.
Performance Tests
1–65