123B/124B/125B End users Manual The readout reveals the voltage distinction between the Cursor Measurements two cursors and also the voltages in the cursors in relation to Cursors permit you to make exact digital measurements the zero icon (-). on waveforms. Cursors are disabled for three-phase energy measurements. Web site 43: https://nh-c-i-123b37517.tinyblogging.com/detailed-notes-on-hỗ-trợ-69404244