R&S FSH3 Trace Settings
To obtain the true power, the video bandwidth (VBW) too should
be selected to be greater than the resolution bandwidth (RBW).
Otherwise, an averaging effect caused by video bandlimiting
comes into play before the RMS value is calculated.
Operating sequence:
¾ Press the TRACE key.
¾ Press the DETECTOR softkey.
The submenu for selecting the detector opens.
¾ Using the cursor keys or the rotary knob, select the
detector you want and confirm by pressing the
ENTER key or the DETECTOR softkey.
The R&S FSH3 indicates the detector that has been
selected in the top left-hand corner of the screen
(Detect: Auto Pk in Fig. to right).
Trace memory
The R&S FSH3 can transfer a trace to the trace memory and also display the current trace and the
trace in the trace memory for comparison. The saved trace is always displayed in white to distinguish it
from the current trace.
Operating sequence:
¾ Press the TRACE key.
¾ Press the TRACE -> MEMORY softkey.
The R&S FSH3 transfers the currently displayed trace
to the trace memory.
¾ Press the SHOW MEMORY softkey.
The R&S FSH3 displays the saved trace in white. The
SHOW MEMORY softkey label is highlighted in green
to indicate that the trace in the trace memory is being
displayed.
¾ To remove the saved trace from the screen, press
the SHOW MEMORY softkey again.
Note: The memory trace is bit-mapped into the picture memory. Therefore, when the memory
trace is recalled, it will not be adapted to any modifications of the reference level or span
that may have been made in the meantime.
When a stored data set is called, the R&S FSH3 stores the associated trace in the trace
memory. The stored trace can be displayed with SHOW MEMORY.
1145.5973.12 4.21 E-6
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