Instrument Functions
NRP2
117User Manual 1173.9140.02 ─ 07
Trace Func ...
Opens the "Trace Function" subdialog, see chapter 4.5.3.4, "Trace function settings",
on page 119. One or two waveforms can be selected for display. Each waveform rep-
resents either the absolute envelope power of one measurement channel over time or
it represents the ratio of the envelope power of two channels over time. The selected
function and display type is indicated below.
If a (dimensionless) power ratio is selected for graphic display in "Trace" mode, the
same vertical scaling as with an absolute power display is shown. Simply skip the 'm'
of dBm (with a log scaling) to interpret the vertical axis in dB or skip the 'W' (with a lin-
ear scaling) to interpret the vertical axis in terms of dimensionless numbers.
4.5.3.2
Trace diagram settings
Config Grid opens the subdialog to determine the position and the size of the screen
window. In addition, the dialog box allows to enter a power reference value.
► Select "Config Grid..." in the control panel opened via the Window→Graph→"Dis-
play"→"Trace" control panel ("Trace&Statistics" sensor mode).
Fig. 4-47: Config Grid in Trace display mode
Ref. Power
Sets the reference value. The reference value is assigned to the top line of the grid.
Power / div
Sets the vertical scaling .
The combination of "Ref. Power" and "Power /div"
defines the vertical orientation of the
trace.
Start Time
Defines the position of the left screen edge relative to the delayed trigger.
The value may be negative so that signal components are displayed before the trigger
event.
Remote command:
[SENSe<[1]..4>]:
TRACe:OFFSet:
TIME on page 292
Time div
Sets the time resolution of the results window.
Displaying traces
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