Operating Basics Viewing Results
Select the Horizontal cursors . You can drag the horizontal cursors
to change the positions, and read the voltage values on the Y-axis.
NOTE. The Zoom and Cursor options are mutually exclusive.
Save: You can use the Save button to save the zoomed in or zoomed out diagram as a .jpg file.
Reset: YoucanusetheResetbuttontorestorethe waveform plot to its original display.
For waveform plots, any or all the signals can be displayed using the following buttons:
D+: Use this button to turn on or turn off the display of the D+ signal.
D–: Use this button to turn on or turn off the display of the D– signal.
CMD: Use this button to turn on or turn off the display of the Common Mode voltage.
Diff: Use this button to turn on or turn off the display of the Differential signal.
You can use any combination of the Zoom or Cursors, D+, D–, CMD (Common Mode Voltage) and
Diff buttons to view and save the waveform plot.
The annotations at the lower edge of the Wave
form Plot classify the signal pulse into different bus states:
J, K , E (EOP), I (IDLE) and Sync ( C ).
There are two Results menu options.
TDSUSB2 Universal Serial Bus Measurements Package 55
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