Chapter 6 Operations and Measurements RIGOL
DS4000E User’s Guide 6-13
6. Ajust the thresholds of source A and source B
When source A or source B is set to a channel (CH1 to CH4), you can set the
threshold of the corresponding source channel. When the voltage value of the
source channel waveform is greater than the corresponding threshold, it is
regarded as logic “1”; otherwise logic “0”.
1) Press Threshold A and turn the multi-function knob to adjust the
threshold of source A.
Turn the knob clockwise/counterclockwise to increase/reduce the threshold
of source A. The adjustable range is related to the current vertical scale and
vertical position of source A. The adjustable range is from -4*Vertical Scale
– Vertical Position to 4*Vertical Scale – Vertical Position.
2) Press Threshold B and use the same method to adjust the threshold of
source B.
Note: When source A and source B are set to the same channel, the threshold
of the other source will change accordingly when adjusting the threshold of one
of the sources (the two thresholds reamin the same).
7. Turn the invert on or off
Press Invert to turn the inverted display of the math operation waveform on or
off.
8. Define the math operation waveform label
Press Label to open the label submenu and the label modification interface.
Please set the math operation waveform label by referring to “
To Set the
Channel Label”.
Note: The defined label can include uppercase English letters (from A to Z),
lowercase English letters (from a to z), numbers (from 0 to 9), underline and
space; the length of the label cannot exceed 4 characters.
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