Agilent Technologies 8566B Operating And Programming Manual page 274

Reference Level Offset
(ROFFSET)
Item Description/Default
Range Restriction
REAL Default value for units is dBm (DM)
The KSZ command offsets all amplitude readyts on the CRT display without affecting the trace. The functions of
the KSZ command and the front panel (,,,, [-Tq keys are identical.
Once activated, the KSZ command displays the amplitude offset in the active function block. And, as long as the
offset is in effect while doing other functions, the offset is displayed to the left of the graticule.
The functions of the KSZ and ROFFSET commands are identical.
Programming 165