Tektronix TDS 600B Graphics Tablet User Manual


 
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.