Features and Functions 3
Keysight 34980A Mainframe User’s Guide 195
Front Panel Operation:
View > ERROR QUEUE
Use the knob to scroll through the errors. Press the right arrow key to view the text
of the error message. All errors are cleared when you exit the menu.
Remote Interface Operation:
The following command reads and clears one
error from the queue.
SYSTem:ERRor?
Self-Test
A power-on self-test occurs automatically when you turn on the instrument. This
limited test assures you that the instrument and all installed plug-in modules are
operational. This self-test does not perform the extensive self test described
below.
A complete self-test actually performs a series of internal tests and takes
approximately 20 seconds to execute. If all tests pass, you can have high
confidence that the instrument and all installed plug-in modules are operational.
This feature is available from the remote interface only.
– If you have a 34951A Isolated DAC Module installed, the complete self-test
will require an additional 15 seconds to complete per DAC module (a memory
test is performed).
– The complete self-test will abort if any signals are connected to ABus1 via the
rear-panel Analog Bus connector (pins 4, 5, and 9; see “Analog Buses” on
page 122). Be sure to disconnect any signals from ABus1 prior to running the
self-test.
– If the power-on or complete self-test fails, and error is stored in the error
queue. See the Keysight 34980A Service Guide for more information on
returning the instrument to Keysight for service.
– Following the complete self-test, the instrument issues a Factory Reset (*RST
command).
Remote Interface Operation:
The following command returns “+0” if the
self-test is successful or “+1” if it fails.
*TST?
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