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 set of tests that are included as part of the
complete self-test described below.
A complete self-test runs a series of tests and takes approximately
20 seconds to execute. If all tests pass, you can have a high confidence
that the instrument and all installed plug-in modules are operational.
• If the complete self-test is successful,
PASS is displayed on the front
panel. If the self-test fails,
FAIL is displayed and the ERROR annunciator
turns on. See the HP 34970A Service Guide for instructions on
returning the instrument to Hewlett-Packard for service.
• Front-Panel Operation: To perform the complete front-panel self-test,
hold down as you turn on the instrument and hold down the key
until you hear a long beep. The self-test will begin when you release
the key following the beep.
• Remote Interface Operation:
*TST?
Returns “0” if the self-test is successful or “1” if it fails.
4
Chapter 4 Features and Functions
System-Related Operations
143
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