R&S FSH Power Meter
Using a Directional Power Sensor
Operating Manual 1173.6275.12 - 30 142
Setting the power measurement weighting mode
For forward power display, the R&S FSH provides both average power and peak
envelope power.
► Press the MEAS key.
► Press the "Fwrd Pwr Display" softkey.
► Select the weighting mode you require.
The R&S FSH indicates the weighting mode at the Forward Power heading.
- Forward power (AVG) = average power
- Forward power (PEP) = peak envelope power
Selecting the unit for the power readout
When using a directional power sensor, the R&S FSH displays the forward power as a
logarithmic level value in dBm (relative value) or as a linear value in W or mW
(absolute value). In addition you can define a reference level relative to which the
R&S FSH indicates the level difference in dB. Load matching is indicated as return loss
in dB or as voltage standing wave ratio (VSWR). In addition, the absolutely reflected
power can be displayed in W, or the reflected level in dBm.
For more information see "Selecting the unit for the power readout".
Setting the reference level
If you have selected the unit dB Rel for the forward power, the R&S FSH opens an
input field to set the reference level. The R&S FSH shows the currently set reference
level in the diagram header.
For more information see "Setting the reference level".
Selecting a standard
To ensure that true results are output when measuring modulated signals, the
R&S FSH offers the possibility of taking correction values into account for a number of
common telecommunications standards.
► Press the "Standard" softkey.
A menu to select a standard opens.
► Select the required standard.
The R&S FSH takes the selected standard into account. The currently active
standard is displayed in the display header.
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