107
E-02
3.7.4 Using the Factory Calibration
To use the factory calibration, proceed as follows:
Press the CALIBRATE softkey in the main menu
for the network analyzer.
Select USER CALIBRATION OFF with the rotary
knob or the cursor keys (∧ or ∨) and conclude
with the ENTER key or the CALIBRATE softkey.
The R&S FSH now uses the calibration data
recorded in the factory. (UNCAL) is displayed at the
top left of the screen.
The R&S FSH is already calibrated across
the complete frequency range at the
factory. The reference plane for the factory
calibration is PORT 1 or PORT 2. If the
device under test is directly connected to
one of the measuring ports, the refl ection
can be determined with suffi cient
accuracy without further calibration. To
improve measurement accuracy, or if
an additional cable is used between the
device under test and PORT1 or PORT2,
it is recommended that the calibration
described above be performed.
GalaxyE_v1-10_3.indd 107GalaxyE_v1-10_3.indd 107 08.04.2009 15:21:5208.04.2009 15:21:52
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