Command Reference
R&S
®
ZNC
489
User Manual 1173.9557.02 ─ 13
Suffix:
<Wnd>
.
Number of an existing diagram area (defined by means of
ON
). This suffix is ignored if
the optional
<TraceName>
parameter is used.
<WndTr>
Existing trace number, assigned by means of
the optional
<TraceName>
parameter is used.
Parameters:
<RefLevel>
Value and unit for the reference level (or reference value, if the
trace does not show a level). Range and unit depend on the mea-
sured quantity, see
"Units for DISPlay... commands"
on page 470.
*RST:
Depending on the measured quantity. The default
reference level for an S-parameter displayed in a dB
Mag diagram is 0 dB.
Default unit: dB
<TraceName>
Optional string parameter for the trace name, e.g. 'Trc4'. If this
optional parameter is present, both numeric suffixes are ignored
(trace names must be unique across different channels and win-
dows).
Example:
CALC4:PAR:SDEF 'Ch4Tr1', 'S11'
Create channel 4 and a trace named Ch4Tr1 to measure the input
reflection coefficient S
11
.
DISP:WIND2:STAT ON
Create diagram area no. 2.
DISP:WIND2:TRAC9:FEED 'CH4TR1'
Display the generated trace in diagram area no. 2, assigning the
trace number 9 to it.
DISP:WIND2:TRAC9:Y:RLEV -10
or:
DISP:WIND2:TRAC:Y:RLEV -10, 'CH4TR1'
Change the reference level to -10 dB.
Manual operation:
See
DISPlay[:WINDow<Wnd>]:TRACe<WndTr>:Y[:SCALe]:RPOSition
<RefPosition>[,
<TraceName>]
Sets the point on the y-axis to be used as the reference position as a percentage of the
length of the y-axis. The reference position is the point on the y-axis which should equal
the
RLEVel
.
Suffix:
<Wnd>
.
Number of an existing diagram area (defined by means of
ON
). This suffix is ignored if
the optional
<TraceName>
parameter is used.
SCPI Command Reference