open
set pol c+ off -1.0
otf 620 670 2 delay 10
file MnE_plus
start

set pol c+ off -1.0
otf 620 670 2 delay 10
file MnE_plus
start

set pol c- off 1.0
otf 620 670 2 delay 10
file MnE_minus
start

set pol c- off 1.0
otf 620 670 2 delay 10
file MnE_minus
start

set pol c+ off -1.0
otf 620 670 2 delay 10
file MnE_plus
start

set pol c+ off -1.0
otf 620 670 2 delay 10
file MnE_plus
start

set pol c- off 1.0
otf 620 670 2 delay 10
file MnE_minus
start

set pol c- off 1.0
otf 620 670 2 delay 10
file MnE_minus
start

set pol c+ off -1.0
otf 620 670 2 delay 10
file MnE_plus
at_end close
start