3. Use the Multipurpose knob to select and click Measurement Enable. The
oscilloscope opens the Feature Enable password entry screen.
4. Use the Multipurpose knob and side-menu buttons to enter the password
that lets you disable Measurement.
5. Push OK side-menu button to enter the password and let you disable
Measurement.
Analyzing a waveform
100 TBS1000C Series Oscilloscopes User Manual