Power on the unit. AC power supply voltage range is
100V to 240V, frequency 45Hz-440Hz. After
connecting to power, start the self calibration process
on the optimal oscilloscope signal path at greatest
measurement accuracy. Press the [ ] button
and [ ] twice, then press the
control knob to perform the function Press
[ ] and [ ], then press [ ] to go to the next
page. There, press [ ] then the
control knob To recall default setup, see
At the end of the above process, press [ ] to enter
To avoid danger, ensure the digital
storage oscilloscope is safely grounded.