Tektronix TDS 700D Manual Do Utilizador
Performance Tests
1–86
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications
Figure 1–40: Sync duty cycle test: critically adjusted pulse
H Press TRIGGER MENU.
H Press 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.
CH1 Period measurements are adjusted correctly. See note above.
CONFIRM that the setup is correct and the oscilloscope will trigger.
H CONFIRM that the TRIG’D LED is lighted and the waveform is
stable.
H Disconnect the signal source from CH1, wait a few seconds, then
reconnect the signal.
H CONFIRM that the TRIG’D LED is lighted and the waveform is
stable.
H Press Sync Polarity.
H Press Pos Sync.
H Push the pulse generator COMPLEMENT button out.
H CONFIRM that the TRIG’D LED is lighted and the waveform is
stable.