Tektronix MSO70000 Series Technical Reference page 183

Performance Tests (MSO70000/C Series, DSA/DPO70000B/C Series, and DPO7000 Series)
MSO70000/C, DSA70000B/C, DPO7000B/C, DPO7000, MSO5000, DPO5000 Series
CHECK that the Lower Limit readout, after the instrument stops
triggering, is within the following limits:
Model
< 4 GHz models
≥ 4 GHz models
Enter the time on the test record.
Use the keypad to return the Lower Limit to 2 ns and reestablish
triggering.
Touch Upper Limit; then use the multipurpose knob to slowly
decrease the Upper Limit readout until triggering stops.
CHECK that the Upper Limit readout, after the instrument loses
triggering, is within the following limits:
Model
< 4 GHz models
≥ 4 GHz models
Enter the time on the test record.
3. Confirm the trigger system is within time-accuracy limits for pulse-glitch or
pulse-width triggering (time range ≥1 μs):
a. Set upper and lower limits that ensure triggering at 250 kHz:
Touch Upper Limit. Use the keypad to set the upper limit to 4 μs.
Touch Lower Limit. Use the keypad to set the lower limit to 500 ns.
Limit
3.5 ns to 6.5 ns
4.77 ns to 5.23 ns
Limit
3.5 ns to 6.5 ns, inclusive
4.77 ns to 5.23 ns, inclusive
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