Chapter 4: Calibration
4–3
Operating Hints
Some knowledge of operating the Agilent Technologies 54853A/54A/55A oscilloscope is
helpful. However, procedures are written so that little experience is necessary. The
following hints will speed progress of the procedures.
When using many averages, it often takes awhile for a waveform display to stabilize after
a change. When a front panel control on the oscilloscope is changed, averaging
automatically restarts. When the input signal or an adjustment is changed, the
oscilloscope averages new data with the old, so it takes longer for the waveform to
stabilize to the new value. Press the Clear Display key while changing input signals or
adjustments. Clearing the display restarts averaging, which gives a quicker indication
of the result of the change.
Loading Default Oscilloscope Settings
To reset the oscilloscope to default conditions, press the Default Setup key.
Loading New Software
This oscilloscope stores its operating system code on a hard disk drive. New code is
loaded into the oscilloscope by using the CD-ROM. It is rarely necessary to reload the
code. If your system is not working correctly you may need to update to newer code or
re-image the disk. Find the latest software at www.agilent.com/find/infiniium_software.
To load new code, enable the graphical interface, then select Upgrade Software from
the Utilities menu. You can then follow the instructions on the screen.
Calibration Procedures
The procedures start with the next paragraphs. Unless specified elsewhere, procedures
must be followed in the order given. Display checks are optional and independent of
other procedures.
Let the Oscilloscope Warm Up Before Adjusting
Warm up the oscilloscope for 30 minutes before starting adjustment procedures. Failure to allow warm-
up may result in inaccurate calibration.
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