3-12 Service Guide
Adjustments and Correction Constants 8719ET/20ET/22ET
Serial Number Correction Constants (Test 49) 8719ES/20ES/22ES
RF Network Analyzers
In Case of Difficulty
• If the analyzer does not display DONE, then the serial number that you entered in steps
3 and 4 did not match the required format or a serial number was already stored. Check
the serial number recognized by the analyzer:
1. Press the following:
2. Look for the serial number displayed on the analyzer screen.
3. Rerun this adjustment test if the serial number is not displayed.
• If the analyzer continues to fail this adjustment routine, contact the nearest Agilent
Technologies sales or service office.
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