Keysight 90000 X Series Service Manual page 13

Running an Environmental Calibration
Let the Oscilloscope Warm Up Before Adjusting
Warm up the oscilloscope for 30 minutes at ambient temperature before starting the calibration procedure.
Failure to allow warm up may result in inaccurate calibration.
The environmental calibration uses signals generated in the oscilloscope to calibrate
response.
When to perform an environmental calibration:
• You can perform a quick environmental cal rather than a full user cal when there
Equipment Required
Equipment
Connector savers (5 supplied with
oscilloscope)
Cable (supplied with oscilloscope)
Procedure
1 Let the oscilloscope warm up before running the self calibration.
The environmental calibration should be done only after the oscilloscope has run for
30 minutes at ambient temperature with the cover installed. Calibration of an oscilloscope
that has not warmed up may result in an inaccurate calibration.
2 Select Utilities > Calibration.
3 Uncheck the Cal Memory Protect box.
You cannot run a self calibration if this box is checked. See Figure 2- 2.
Figure 2-1 Calibration Dialog Box
Clear this check box
before beginning
calibration
are changes to the operating environment around the oscilloscope, such as changes
in air flow, temperature, humidity, or the placement of other instruments near the
oscilloscope. For example, you would run the quick environmental cal if the
oscilloscope is moved to a test rack or chamber.
Critical Specifications
3.5mm (f) to 3.5 mm (f)
No substitute
Click here to run
quick environmen
calibration
Chapter 2: Calibration
Running an Environmental Calibration
Keysight Part Number
Keysight 54916-68717 (for 20, 25, 28,
30, and 32 GHz models)
Keysight 54916-68716 (for 13 GHz
and 16 GHz models)
Keysight 54916-61626
13