% example1.m
f=open_com('COM1'); % Open COM1
source='CH1';       % Specify scope channel 1
first=1;            % first point
last=2048;           % last point (full screen is 2500 points)
navg=1;            % average a little
w = getwaveform(f, source, first, last, navg);
plot(w.time,w.data)