open

set pol c+ off -3
otf 1170 1240 2 delay 10
file GdE_plus
start

set pol c+ off -3
otf 1170 1240 2 delay 10
file GdE_plus
start

set pol c- off -0.5
otf 1170 1240 2 delay 10
file GdE_minus
start

set pol c- off -0.5
otf 1170 1240 2 delay 10
file GdE_minus
start

set pol c+ off -3
otf 1170 1240 2 delay 10
file GdE_plus
at_end close
start