How do I Set the DL850 ScopeCorder in Roll Mode for Longer Acquisitions?

To set the DL850 ScopeCorder in Roll Mode, turn the Time/Div knob until it is set to 100msec/Div or longer.

If the Time/Div is set to 1Hr/Div or longer, waveform scrolling can be difficult to observe in real-time. This is due to the fact the waveform appears compressed on the time axis. 

To observe the waveform in real-time, turn the Zoom window ON, and move the Zoom Position all the way to the right. Set the Main Ratio to 50% and adjust the MAG knob accordingly. 


Related Products & Solutions

Data Acquisition (DAQ)

Yokogawa data acquisition systems give you the most flexibility and power to measure, display, store, and even actuate any number of physical or electrical phenomena.

High Speed Data Acquisition

  • Yokogawa high-speed data acquisition systems
  • Industry-leading isolation, bit resolution, sampling rate, and memory depth
  • Independent channel hardware and easy to use software


  • Digital oscilloscopes
  • High-speed sampling
  • Range of bandwidths for electronic device design and development
  • Advantages of oscilloscope and multi-channel data recorder


  • Flexible, high-performance Yokogawa Test&Measurement ScopeCorder
  • Modular platform combines mixed signal oscilloscope and portable data acquisition recorder 
  • Captures high-speed transients and low-speed trends 

Precision Making