open
wait_temp

set Hx 6.5

set pol c+ off -11
otf 1150 1240 3
file Gd_plus
start

set pol c- off -7
otf 1150 1240 3
file Gd_minus
start

set pol c- off -7
otf 1150 1240 3
file Gd_minus
start

set pol c+ off -11
otf 1150 1240 3
file Gd_plus
start