hold trigger and turn on marker till all the lights flash
click untill you see a white light
hold trigger untill light goes out
click the trigger 3 times
wait untill light appears again
click once more now to get to teal (rate of fire setting)
hold untill light goes out
click 5 times to get 15bps
wait till the teal light goes out
that should set your gun to PSP ramp and 15 bps