Left: Low: changed from -14.7 to -20mV Med: changed from -19.1 to -25mV High: changed from -89.7 to -100mV
Right: Low: changed from -22.9mV to -20mV Med: changed from -57.5 to -20mV High: changed from -102.1 to -90mV
Also checked offsets of 740 and 628Fs. Found some of 740s have large
offsets, up to +40mV. Set them to zero. All of 628Fs don't have offsets.