Performance Tests
TDS 500C, TDS 600B & TDS 700C Performance Verification and Specifications 1–83
Figure 1–40: Sync duty cycle test: critically adjusted pulse
HPress TRIGGER MENU.
HPress the main-menu Type pop-up until you select Video.
If the TRIG’D LED is not lighted, check that the CH1 – Width and
CH1 Period measurements are adjusted correctly. See note above.
CONFIRM that the setup is correct and the oscilloscope will trigger.
HCONFIRM that the TRIG’D LED is lighted and the waveform is
stable.
HDisconnect the signal source from CH1, wait a few seconds, then
reconnect the signal.
HCONFIRM that the TRIG’D LED is lighted and the waveform is
stable.
HPress Sync Polarity.
HPress Pos Sync.
HPush the pulse generator COMPLEMENT button out.
HCONFIRM that the TRIG’D LED is lighted and the waveform is
stable.