import sys
import anywave
anywave.init(sys.argv)
# change the color of channel A1
cfg = dict()
cfg['labels'] = ['A1']
cfg['color'] = '#008800' # green
anywave.change_sig_prop(cfg)
# change filters and colors for several channels
cfg['labels'] = ['A1', 'A4', 'A5']
cfg['color'] = '#001199"
cfg['hp'] = 1
cfg['lp'] = 80
anywave.change_sig_prop(cfg)