Problem Jplaying Area 51 Game In Ps2 Console

hello nairalander's ,please guys help me out on how to collect the gun from the armory room in area 51 game,i follow ramirez to the armory room but nothing happen,my question is 1-is there anyway i can talk to the guard inside the armory room to give me the gun.2-is there any special position i am suppose to stand before the guard inside the armory gives me the gun.3-is there any code i can use to skip levels.4-is there any special code i can use to start the game with a gun in my hand like ramirez.please i will be very glad if u all help me out with this game, THANX VERY VERY MUCH