Self-Test; Quick Performance Check - Agilent Technologies 34410A Service Manual

6 1/2 digit multimeter
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Self
A brief power–on self–test occurs automatically whenever you turn on the
instrument. This limited test assures that the instrument is capable of
operation.
• During the self–test all display segments and annunciators are lit.
• 34410A/11A If the self–test fails, the ERROR annunciator turns on.
• If all tests pass, you have a high confidence (~90%) that the instrument
• You can initiate a more complete self test by sending the *TST?

Quick Performance Check

The quick performance check is a combination of internal self–test and an
abbreviated performance test (specified by the letter Q in the performance
verification tests). This test provides a simple method to achieve high
confidence in the instrument's ability to functionally operate and meet
specifications. These tests represent the absolute minimum set of
performance checks recommended following any service activity. Auditing
the instrument's performance for the quick check points (designated by a
Q) verifies performance for "normal" accuracy drift mechanisms. This test
does not check for abnormal component failures.
To perform the quick performance check, do the following:
• Perform a self–test as described on
• Perform only the performance verification tests indicated with the letter
34410A/11A/L4411A Service Guide
Test
Read any errors using the front panel Utility menu (select SCPI ERRORS), or
use the SYSTem:ERRor? command query from the remote interface.
L4411A If the self–test fails, an error message will appear in the
displayn. Use the SYSTem:ERRor? command query from the remote
interface.
If repair is required, contact an Agilent Service Center.
is operational.
command to the instrument. This command returns a "+0" if all the
self–tests pass, or a "+1" if a failure occurred. This command may take
up to 30 seconds to complete. You may need to set an appropriate
interface time–out value.
Q.
Calibration Procedures
page
61.
3
61

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