def dual(ABF):
new(ABF)<EOL>pylab.subplot(<NUM_LIT>)<EOL>pylab.title("<STR_LIT>")<EOL>ABF.channel=<NUM_LIT:0><EOL>sweep(ABF)<EOL>pylab.subplot(<NUM_LIT>)<EOL>pylab.title("<STR_LIT>")<EOL>ABF.channel=<NUM_LIT:1><EOL>sweep(ABF)<EOL>
Plot two channels of current sweep (top/bottom).