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 Consumers Manual The readout displays the voltage difference between the Cursor Measurements two cursors along with the voltages in the cursors in relation to Cursors enable you to make precise electronic measurements the zero icon (-). on waveforms. C