/gps/particle proton
/gps/pos/type Point
/gps/pos/centre 1. 2. 1. cm
# the above two can be replaced by a single command
# /gps/position 1. 2. 1. cm
#
/gps/ang/type iso
/gps/energy 2. MeV

# commands below are independent of gps
#
/analysis/filename test1.aida
/analysis/maxeng 15 MeV
/analysis/mineng 1 MeV
/analysis/maxpos 5 cm 
/analysis/minpos -5 cm
/event/printModulo 10000
#/control/execute display.mac
/run/beamOn 10000