R&S ZVH
Cable and Antenna Test Mode
Analyzing Measurement Results
Operating Manual 1309.6946.12 - 09
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2.3.2 Using Markers
The R&S ZVH has six markers, five of which can be used as either markers or delta
markers.
The markers cannot leave the trace and indicate the horizontal and vertical coordinates
of the point they are positioned on. The horizontal position of a marker is shown by a
vertical line which extends from the top to the bottom of the measurement diagram.
The marker list above the diagram area shows the exact coordinates of all markers in
use.
When measuring the distance-to-fault, the horizontal unit is meter or feet. For all other
measurements the horizontal axis is the frequency axis. The unit of the vertical axis is
dB for distance-to-fault and cable loss measurements and dBm for all others.
The position of a delta marker is indicated by a dashed line to distinguish it from a
normal marker. The delta marker level is always a relative to the main marker level and
so the delta marker level unit is always dB. The delta marker frequency is always
relative to the main marker
– in other words, the delta marker frequency is the
frequency difference between the frequency at the point marked by the main marker
and the frequency at the point marked by the delta marker.
To measure complex signals, you can activate up to six markers. Marker 1 is always a
normal marker and the reference of all delta markers. Markers 2 to 6 are either
markers or delta markers depending on your set up.
Screen Layout with Active Markers
1
Marker list
2
Marker label: M(x)
3
Delta marker label: D(x)
4
Active marker label (red label)
5
Delta marker (blue dotted line)
6
Marker (blue line)
7
Marker input field
8
Marker menu
