Adjust the vertical parameters of both X and Y channels to 1V/ This is only necessary for a single-channel oscilloscope. How to Use: Oscilloscope Parameter Settings: Adjust the oscilloscope to X-Y mode (different oscilloscopes have different adjustment methods, please explore on your own). 4 test frequencies. (Can be used when connected to an oscilloscope, both analog and digital oscilloscopes) Analog oscilloscopes do not require timebase adjustment; digital oscilloscopes adjust the timebase between 1-5ms., Weight: 1.45946017444 Pounds, Manufacturer: Jaywool