Rigol MSO8064 User Manual page 71

Chapter 2 To Set the Vertical System
You can also enable the touch screen to drag the channel label to move its
position on the screen.
You can run the :CHANnel<n>:LABel:POSition command to set the position of
the specified channel label; run the :CHANnel<n>:LABel:SIZe command to set
the font size of the specified channel label.
MSO8000 User Guide
RIGOL
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