?ng d?ng 123B là n?i t?ng h?p các t?a game h?p d?n Cách t?i 123B cho ?i?n tho?i123B/124B/125B Customers Manual The readout reveals the voltage distinction between the Cursor Measurements two cursors and also the voltages within the cursors in relation to Cursors enable you to make specific digital measurements the zero icon (-). on waveforms. Cu