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Adjustment Procedures
3-4
DPO4000 Series Service M anual
8. Push the Factory lower bezel button.
9. Push the OK Do Factory Calibration side bezel button to start the
adjustment process.
10. Connect signals from the DC voltage source as instructed by the oscilloscope
display. After you connect the correct signal, push the OK Do Next Step
side bezel button to continue the process.
NOTE. The oscilloscope adjusts itself automatically using the reference signal
from the DC voltage source. You do not need to make any adjustments.
If you make an error, such as connecting the wrong input signal, you can repeat
the last step by pushing the Return to Previous Screen side bezel button.
11. Continue with the adjustment process until it is complete. You can abort the
process at any time by pushing the MENU OFF button.
12. Do the performance verification tests to verify that the adjustment procedure
has correctly calibrated the oscilloscope. (See the DPO4000 Technical
Reference.) Incorrect use of calibration equipment can cause the oscilloscope
to pass the adjustment procedure but fail performance verification.