Agilent Technologies DSO-X 4022A, User Manual

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342 Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide
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Utility Settings
The oscilloscope will output its 10 MHz reference signal at TTL levels.
Performing Service Tasks
The Service Menu (under [Utility] > Service ) lets you perform service- related
tasks:
• "To perform user calibration" on page 342
• "To perform hardware self test" on page 344
• "To perform front panel self test" on page 345
• "To display oscilloscope information" on page 345
• "To display the user calibration status" on page 345
For other information related to oscilloscope maintenance and service, see:
• "To clean the oscilloscope" on page 345
• "To check warranty and extended services status" on page 346
• "To contact Agilent" on page 346
• "To return the instrument" on page 346
To perform user calibration
Perform user- calibration:
• Every two years or after 4000 hours of operation.
• If the ambient temperature is >10° C from the calibration temperature.
• If you want to maximize the measurement accuracy.
The amount of use, environmental conditions, and experience with other
instruments help determine if you need shorter User Cal intervals.
User Cal performs an internal self- alignment routine to optimize the signal
path in the oscilloscope. The routine uses internally generated signals to
optimize circuits that affect channel sensitivity, offset, and trigger
parameters.