alertstatus = 2;
_pos = [520.446,12865.2,115.381];

if (alertstatus isEqualTo 2 || alertstatus isEqualTo 3) then {
   for "_i" from 0 to 1 step 0 do {
  _siren = playSound3D ["A3\Sounds_F\sfx\alarm_independent.wss","",false,_pos,10,1,1500];
  _siren;
  waitUntil {isNull _siren};
   };