GUI Reference
R&S
®
ZNA
399
User Manual 1178.6462.02 ─ 12
Ref Val = Marker / Max = Marker / Min = Marker
The following functions use the response value of the active marker to scale the y-axis
of the diagram:
●
"Ref Val = Marker" sets the reference value equal to the response value of the
active marker, leaving the values of the vertical divisions ("Scale / Div") unchanged.
●
"Max = Marker" sets the upper edge of the diagram equal to the response value of
the active marker, leaving the values of the vertical divisions ("Scale / Div")
unchanged.
●
"Min = Marker" sets the lower edge of the diagram equal to the response value of
the active marker, leaving the values of the vertical divisions ("Scale / Div")
unchanged.
Remote command:
n/a
Zero Delay at Marker
This function is available for
traces only. It shifts the trace in vertical direction so
that the delay at the marker position becomes zero. Mathematically, it modifies the
measurement results by subtracting the delay at the current marker position.
The delay represents the propagation time of the wave. Hence "Zero Delay at Marker"
performs an electrical length compensation, by adding or subtracting a simulated loss-
less transmission line of variable length to or from the test port. This shift of the refer-
ence plane must be carried out on the "Delay" trace, but has an impact on all trace for-
mats.
A standard application of "Zero Delay at Marker" is correction of the constant delay
caused by the interconnecting cables between the analyzer test ports and the DUT
(line stretch).
Note:
"Zero Delay at Marker" modifies the "Offset" parameters and therefore influen-
ces the entire channel.
Remote command:
n/a
6.7.8
Info Field Tab
Displays or hides the marker info field and selects it contents. The functions are self-
explanatory.
Background information
Marker Softtool
