Keysight E4980A Service Manual page 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.
Test item
SYSTEM
USER DATA
BATTERY
KEY
DISPLAY
Keysight E4980A/E4980AL Precision LCR Meter
Description
Checks the entire system, A1/A2/A3 boards, system
calibration data, and so on.
Checks the GPIB/LAN configurations, instrument
configuration information, instrument calibration data, and
scanner calibration data.
Checks the internal batteries.
Checks the font panel keys. (Visual checks only; no result
shown on screen.)
Checks the font panel LEDs and LCD. (Visual checks only; no
result shown on screen.)
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