... real sample rate. 3.2 Channels +1EXT 200MHz 2CH digital oscilloscope: Features and advantages: 1. Up to 200MHz ... USB Host, RS-232, Pass/Fail8. Unique digital filter and data recorder function9. Embedded 12 languages, online help, one ... sourceCH1, CH2, Ext, Ext/5, AC LineTrigger typesEdge, Pulse, Video, Slope, AlternativeMath Operation+, -, ×, ÷, FFTDigital filterHigh pass, Low pass ...