SEEED DSO Nano v3 Pocket-size Digital Storage Oscilloscope The DSO Nano V3 is a pocket-size compatible 32-bit digital storage oscilloscope. Based on ARM -M3, it's equipped with 320*240 color display, SD card, USB port and recharging function. It's compact, simple to operate; meets the basic demands of school lab, electric furniture repairment and electric engineering. This is a updated and cool version of DSO Nano which features a firmware and a embedded 2 Mbyte storage chip instead of micro SD card slot. Updates in v3 V3 used a new firmware with user-friendly interface, easier to operate Upgraded firmware via virtual disk Added build-in 2Mbyte storage chip instead of micro SD card slot Black metal shell Interface & Buttons Screen Button Function A Run/Hold Choose to save current file ? Upward selection ? Downward selection ? (left/decrease) change setting parameters ? (right/increase) change setting parameters OK Menu Choose to save current parameter setting Parameter Area Intro Menu Item Function (Operate: Press ?or ?) A AUTO/NORM/SINGL/NONE Automation/Normal/Single B 10mV-10V(1-2-5 stepping) y-axis voltage per grid C x1/x10 multiple D 1uS-2S (1-2-5 stepping) x-axis voltage per grid E -Inp/Data/-Data/Inp+D/D-Inp/Inp-D/Off Operation of 2 waveforms (Inp is current waveform; D/Data is previously saved waveform); Off is hide Inp and D/Data waveform F Triggering Method: Falling edge trigger, Rising edge trigger