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W A R N I N G
C A U T I O N
Adjusting the Oscilloscope
This section explains how to adjust the oscilloscope so that it is at
optimum operating performance. You should perform the hardware
adjustments periodically as indicated below.
•
Hardware at 12 months or 2,000 hours of operation
•
Firmware at 6 months or 1000 hours of operation, or
if ambient temperature is greater than 10 °C from the calibration
temperature, or if the user desires to maximize the measurement
accuracy
The amount of use, environmental conditions, and your past
experience with other instruments can help you to determine if you
need a shorter adjustment interval.
Make sure you allow the oscilloscope to warm up for at least 30
minutes before you start the adjustments.
The maintenance described in this section is performed with power supplied
to the oscilloscope and with the protective covers removed. Only trained
service personnel who are aware of the hazards involved should perform the
maintenance. Whenever possible, perform the procedures with the power
cord removed from the oscilloscope. Read the safety summary at the back
of this book before proceeding.
Do not disconnect any cables or remove any assemblies with the power
applied to the oscilloscope, or damage to the oscilloscope can occur.
3-21
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