start capture (calibration 1.385419)
light on
saved tek00002
plug in pc
turn on pc
saved tek00003
turn off light
saved tek00004
turn off computer
turn on light
keithley 100ma
keithley 120ma
keithley 110ma
keithley off
light off
end capture

light only:
octave:5> t=100000:101000; plot(t,dac(t)-calib*adc(t))
octave:6> t=100000:101000; plot(t,dac(t)-calib*adc(t),t,dac(t),t,adc(t))

dc zero:
octave:8> t=50:100; plot(t,dac(t)-calib*adc(t))

light+pc:
octave:16> t=1080000:1081000; plot(t,dac(t)-calib*adc(t))

pc only:
octave:19> t=1200000:1201000; plot(t,dac(t)-calib*adc(t))

keithley stepping 100ma -> 120ma -> 110ma
octave:23> t=1590000:1680000; plot(t,dac(t)-calib*adc(t))
octave:24> axis([1590000 1680000 29900 30100])
