Adjustment Procedures
3-4 DPO4000 Series Service Manual
8. Push theFactory lower bezel b utton.
9. Push theOK Do Factory Calibration side bezel butt on to start the
adjustment process.
10. Connect signals from the DC voltage source as instructedby the oscilloscope
display.After you connect the correct signal, push the OK Do Next Step
side bezel button to continue th e process.
NOTE. The oscilloscope adjusts itself automatically using the referencesignal
fromthe DC voltage source. You do not need to make any adjustments.
If you makean 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. Youcan abort the
process atany time by pushing the MENU OF F button.
12. Do the performanceverification tests to verify that the adjustment procedure
has correctlycalibrated the oscilloscope. (See the DPO4000 Technical
Reference.)Incorrect use of calibration equipment can cause the oscilloscope
to pass the adjustment procedurebut fail performance verification.