DPO6000, MPO6000 Series Digital Fluorescent Oscilloscope Product Manual V1.3
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At this point, the oscilloscope screen displays "Keyboard lock. Press the help key three
times to unlock the keyboard." If you want to control the oscilloscope by pressing keys,
you need to close the host computer software first and press Help three times to unlock
the keyboard.
Common faults and solutions
1. The oscilloscope does not turn on after pressing the power switch
(1) Check whether the power cord on the side of the oscilloscope is connected normally.
(2) Check if the power switch is pressed.
(3) After completing the above inspections, turn on the instrument again.
If the oscilloscope still does not turn on normally, please contact your local dealer or di-
rectly contact Hantai Technical Support.