Short review of oscilloscope DS213
Channel 1 - analog input CH (A), DC, AC, HIDE
Channel 2 - analog input CH (B), DC, AC, HIDE
Channel 3 - digital input CH (C), (A + B), (A-B), (C&D), (C I D), INV A, INV B, HIDE
Channel 4 - digital input CH (D), REC_A, REC_B, REC_C, REC_D, HIDE
Signal generator: rectangular signal from 10 Hz to 8 MHz with a magnitude of 3 V; "Sinus", "triangle", "saw" from 10 Hz to 20 kHz with a swing of 3 V