Rigol DS6000 Series User Manual page 168

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(a pair of horizontal solid/dotted lines) at the same time.
2. Select the measurement source
Press Source to select the waveform of the analog channels (CH1-CH4) or math
operation result (MATH) for measurement (only channels enabled can be
selected). If "None" is selected, no cursor will be displayed.
3. Select the X (Y) axis unit
When the current display mode is "X" or "X-Y", press Time Unit to select "s",
"Hz", "°" or "%".
△X denote time and 1/△X denotes frequency.
s: when this unit is selected, in the measurement results, A->X, B->X and

△X denote frequency and 1/△X denotes time.
Hz: when this unit is selected, in the measurement results, A->X, B->X and

△X are in "°". At this point, A->X, B->X and △X will change to "0°", "360°"
°: when this unit is selected, in the measurement results, A->X, B->X and

and "360°" respectively when you press SetCursor, no matter where
cursors A and B are currently located. At the same time, two cursor lines
(unmovable) appear on the screen as the reference positions.
△X are in percentage. At this point, A->X, B->X and △X will change to "0%",
%: when this unit is selected, in the measurement results, A->X, B->X and

"100%" and "100%" respectively when you press SetCursor, no matter
where cursors A and B are currently located. At the same time, two cursor
lines (unmovable) appear on the screen as the reference positions.
When the current display mode is "Y" or "X-Y", press Vertical Unit to select
"Source Unit" or "%".
A->X, B->X and △Y will automatically be set to the unit of the current
Source Unit: when this unit is selected, in the measurement, the units of

source.
△Y are in percentage. At this point, A->X, B->X and △Y will change to "0%",
%: when this unit is selected, in the measurement results, A->X, B->X and

"100%" and "100%" respectively when you press SetCursor, no matter
where cursor A and B are currently located. At the same time, two cursor
lines (unmovable) appear on the screen as the reference positions.
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6 To Make Measurements
DS6000 User's Guide