RIGOL DS1000B - Manual (Page 88)

RIGOL Command Systems
Programming Guide for DS1000B Series 2-76
Function:
The command queries the horizontal reference axis.
Returned Format:
The query returns the value of reference axis.
Example:
:WAV:XREF? Return 0.
12. :WAVeform:YREFerence?
Command Format:
:WAVeform:YREFrence?
Function:
The command queries the vertical reference axis. YREFrence is fixed at the
verticel middle of the screen (100).
Returned Format:
The query returns the value of reference axis.
Example:
:WAV:YREF? Return 100.