Instrument Functions
R&S
®
FSVA/FSV
542Operating Manual 1176.7510.02 ─ 09
7. Select the measurement time for which the average is calculated. To define the
number of readings to be taken into account manually, select "Manual" and enter
the number in the "Number of Readings" field.
8. To activate the duty cycle correction, select "DutyCycle" and enter a percentage as
the correction value.
9. If you selected "dB" or "%" as units (relative display), define a reference value:
a) To set the currently measured power as a reference value, press the "Meas ->
Ref" button.
b) Alternatively, enter a value manually in the "Reference Value" field.
c) Optionally, select the "Use Ref Level Offset" option to take the reference level
offset set for the analyzer (Ref Level Offset softkey) into account for the mea-
sured power.
10. Optionally, define the usage of an external power trigger (see Chapter 3.9.3, "Con-
figuring an External Power Trigger", on page 543).
11. If necessary, repeat steps 3-10 for another power sensor.
12. By default, automatic assignment is active. If a power sensor is already connected
to the R&S FSVA/FSV, it is automatically assigned to an index and the serial num-
ber of the sensor is indicated on the corresponding tab. In this case, you already
configured the settings for the assigned power sensor.
Otherwise, assign the connected power sensors to the power sensor configura-
tions manually:
a) Press the "Power Sensor Assignment" softkey in the "Power Sensor" menu to
display the assignment dialog box.
b) For each configuration, define whether it is to be assigned automatically or
manually by activating or deactivating the "Auto Assignment" option for the cor-
responding power sensor index.
c) For manual assignment, select the serial number of one of the connected
power sensors from the list.
13. Press the "Power Sensor On" softkey in the "Power Sensor" menu to activate
power measurement for the selected power sensors.
The results of the power measurement are displayed in the marker table (Function:
"Sensor<1...4>") and can be queried via the remote command FETC:PMET<p>?
(see FETCh<n>:PMETer<p>? on page 755).
3.9.2 Zeroing the Power Sensor
You can reset each power sensor to zero. This can be done using the remote com-
mand CALibration:PMETer<p>:ZERO:AUTO ONCE on page 744 or manually, as
desribed here.
1. In the "Power Sensor" menu (INPUT/OUTPUT > "Power Sensor"), press "Power
Sensor Config" to display the configuration dialog box.
Instrument Functions - Power Sensor (R&S FSV-K9)
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