Do you know about the REF function in the oscilloscope?

Displaying Electrical Signals on an Oscilloscope - dummies

Tools to Boost Oscilloscope Measurement Resolution to More than 11 Bits

Relationship between oscilloscope and spectrum analyzer amplitude

WaveForms Reference Manual - Digilent Reference

Understanding Oscilloscopes: Reference Waveforms

How to measure time variation of 2 signals using an oscilloscope?

Multipurpose Debugging Tool: The ZOOLARK debugger tool is incredibly versatile and features a 5 in 1 design, with working modes for DC Reference,

5-in-1 Oscilloscope Plus Function Generator – Debugging Tool with Scoping, DC Reference, Spectrum, PWM Signal, Function Generator – Type C USB

Reference Design for a PC-Based Oscilloscope

5-in-1 Oscilloscope Plus Function Generator – Debugging Tool with Scoping, DC Reference, Spectrum, PWM Signal, Function Generator – Type C USB Connection Rechargeble Battery

Getting Started with LabVIEW and a Digilent Test and Measurement Device - Digilent Reference

Oscilloscope How To : 10 Steps (with Pictures) - Instructables

Do you know about the REF function in the oscilloscope?

Basic Oscilloscope Operation Worksheet - AC Electric Circuits

Oscilloscope Primer

Oscilloscopes 101