"B" stands for blue LCD display "S" stands for black and white display "C" stands for colour display digital oscilloscope 80MHZFeatures1.Dual analog channels2. high-definition color/ monochromatic LCD display system, 320 x 240 resolution3. To support plug and play USB storage equipment, and through the USB storage equipment to communicate with computer.4. automatic waveform, the state sets5. ...