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The end of the port extension cable must be connected to the device
(antenna or feed line) for VSWR measurement as shown in Figure 4.3. The
result of the VSWR measurement is displayed on the screen in real time.
Figure 4.3 Connection for VSWR Measurement
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After calibration, do not change the connection of
the port extension cable or the frequency setting. It
can cause produce an error in the measurement.
When the frequency setting is changed, a warning
alarm will sound and the calibration state is
changed to "Cal Off". After changing the frequency
setting, recalibrate the instrument using the Open-
Short-Load standard.
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