Keysight E4980A/E4980AL Precision LCR Meter                                                                                     37
Troubleshooting
Troubleshooting Using Service Function
Figure 4-4  SELF TEST Page
Choosing a Test Item
Functional Description
E4980A/ E4980AL can run the following self tests:
The tests of SYSTEM, USER DATA, and BATTERY are also performed by the 
power on test.
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Test item Description
SYSTEM Checks the entire system, A1/A2/A3 boards, system 
calibration data, and so on. 
USER DATA Checks the GPIB/LAN configurations, instrument 
configuration information, instrument calibration data, and 
scanner calibration data. 
BATTERY Checks the internal batteries. 
KEY Checks the font panel keys. (Visual checks only; no result 
shown on screen.)
DISPLAY Checks the font panel LEDs and LCD. (Visual checks only; no 
result shown on screen.)