S331L UG PN: 10580-00321 Rev. M 7-5
Calibration 7-3 Calibration Procedures
7-3 Calibration Procedures
In Cable and Antenna Analyzer Mode, calibration is required when the
“Cal Status Off” or “Cal Status X” message is displayed or when the test
port cable has been changed. The following sections detail how to
perform OSL and InstaCal calibration.
Calibration Procedure
1. Press the Freq/Dist main menu key and enter the appropriate
frequency range.
2. Press the Calibration main menu key, then press Start Calibration.
3. Select either Standard or Flex.
4. Select the Cal Method to be OSL, InstaCal, Transmission (Ext.
Sensor), or OSL + Transmission (Ext. Sensor).
5. Press Measure and follow the on-screen instructions (Figure 7-2
on page 7-6).
6. Verify that the calibration has been completed by confirming that
the Cal Status message is now displaying the following:
• Cal Status OK (RFP1) or iCal Status OK (RFP1) for
1-port standard or flex reflection calibrations using either
OSL or InstaCal.
• Cal Status OK (TRES) or iCal Status OK (TRES) for
Transmission standard or flex calibrations
• Cal Status OK (2PES) or iCal Status OK (2PES) for
combined OSL + Transmission standard or flex calibrations
7. The calibration correction factor will now be applied to the
measurements.
Note
If a Test Port Extension Cable is to be used (recommended),
it must be connected to the Site Master before calibration.
Follow the same calibration procedures with the OSL
components, the InstaCal module, or the External Sensor in
place at the end of the test port extension cable.
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