Service Guide 2-7
8719ET/20ET/22ET System Verification and Performance Tests
8719ES/20ES/22ES Preliminary Tests
RF Network Analyzers
Clean and Gauge All Connectors
CAUTION To prevent damage to the calibration kit and verification kit devices always
replace or repair any damaged connectors before proceeding with these tests.
NOTE Always use adapters when verifying a system with SMA connectors.
1. Visually inspect all the connectors for any burrs, gold flakes, or places where the gold is
worn.
2. Clean all the connectors with alcohol and foam-tipped swabs. Dry the connectors with a
dry foam-tipped swab.
3. Visually inspect the calibration block and the end of the connector gauge before any
measurements are made.
4. Gauge all devices, cables, and test port connectors. Refer to the calibration kit manuals
for the correct use of gauges.
Perform the Internal Test
This quick, automated internal test may save time by indicating an instrument fault
before doing the performance tests. The tests performed are described in
Chapter 10 , “Service Key Menus and Error Messages.”
NOTE To achieve the maximum system stability, allow the analyzer to warm up for
at least 30 minutes.
To run the analyzer internal test, press the following:
A PASS message will appear on the display if the instrument passes this test.
Preset
Preset
System
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