Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)123B/124B/125B Users Manual The readout shows the voltage difference between the Cursor Measurements two cursors as well as the voltages in the cursors in relation to Cursors assist you to make specific electronic measurements the zero icon (-). on waveforms. Cursors