# Inverted channels:
def invertSomeChannels():
    for i in range(len(inverted)):
        num=inverted[i]-1
        data.Data[:,num] *= array(-1,'f')
inverted = range(11,38)
invertSomeChannels()

# Bad channels (no signal)
bad = [  1,  2,  5,  6,  9, 11, 13, 14, 15, 16, 17, 20, 21, 22 ]
flagC(bad)