Triggering on Waveforms
3–60
TDS 500B, TDS 600B, & TDS 700A User Manual
Use the edge trigger menu to select edge triggering and to perform the proce-
dures for source, coupling, slope, trigger level, mode, and holdoff that follow.
To bring up the Edge Trigger menu, press TRIGGER MENU ➞
Type (main) ➞ Edge (pop-up). (See Figure 3–37.)
Figure 3–37: Main Trigger Menu — Edge Type
To select which source you want for the trigger:
Press TRIGGER MENU ➞ Type (main) ➞ Edge (pop-up) ➞
Source (main) ➞ Ch1, Ch2, Ch3, Ch4, AC Line, or DC Aux (side).
To select the coupling you want, press TRIGGER MENU ➞ Type (main) ➞
Edge (pop-up) ➞ Coupling (main) ➞ DC, AC, HF Rej, LF Rej, or Noise Rej
(side).
DC passes all of the input signal. In other words, it passes both AC and DC
components to the trigger circuit.
AC passes only the alternating components of an input signal. It removes the DC
component from the trigger signal.
HF Rej removes the high frequency portion of the triggering signal. That allows
only the low frequency components to pass on to the triggering system to start an
acquisition. High frequency rejection attenuates signals above 30 kHz.
To Select Edge Triggering
To Select a Source
To Specify Coupling
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