Tektronix TDS1000- Manuale Utente Scaricare il pdf (Pagina 119)

Reference

TDS1000/2000-Series Digital Oscilloscope User Manual

101

Trigger Frequency Readout

The oscilloscope counts the rate at which trigger events occur to

determine trigger frequency and di splays the frequency in the lower

right corner of the screen.

Key Points

Mode Options.

Mode option

Details

Auto (default) Forces the oscilloscope to trigger when it does not detect a

trigger within a certain amount of time based on the SEC/DIV

setting; you can use this mode in many situations, such as to

monitor the level of a power supply output

Use this mode to let the acquisition free-run in the absence of a

valid trigger; this mode allows an untriggered, scanning

waveform at 100 ms/div or slower time base settings

Normal Updates displayed waveforms only when the oscilloscope

detects a valid trigger condition; the oscilloscope displays older

waveforms until the oscilloscope replaces them with new ones

Use this mode when you want to see only valid triggered

waveforms; when you use this mode, the oscilloscope does not

display a waveform until after the first trigger

To perform a Single Sequence acqui sition, push the SINGLE SEQ

button.

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Tektronix TDS1000- Manuale Utente Pagina 119