Triggering on Waveforms
3–82
TDS 500C, TDS 600B, & TDS 700C User Manual
Figure 3–42: Logic Trigger Menu
To Define Pattern Inputs. To set the logic state for each of the input channels
(Ch1, Ch2, ...):
1. Press TRIGGER MENU ➞ Type (main) ➞ Logic (pop-up) ➞
Class (main) ➞ Pattern (pop-up) ➞ Define Inputs (main) ➞ Ch1, Ch2,
Ch3, or Ch4 (side).
2. Repeatedly press each input selected in step 1 to choose either High (H),
Low (L), or Don’t Care (X) for each channel (see Figure 3–42).
To Set Thresholds. To set the logic threshold for each channel:
1. Press TRIGGER MENU ➞ Type (main) ➞ Logic (pop-up) ➞
Class (main) ➞ Pattern (pop-up) ➞ Set Thresholds (main) ➞ Ch1, Ch2,
Ch3, or Ch4 (side).
2. Use the MAIN TRIGGER LEVEL knob, the general purpose knob, or the
keypad to set each threshold.
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