Taratine

when i started arma 2 today i worked fine but then i joined a server and the only thing i coude do where shoot and looking around¨.when i tryed to bandage myself from a zombie attack the scroll dident work, do anyone now what is wrong,btw sry english not my best class at school

have tryed every one of my buttons on my keyboard but i cant find the 3rd person button. do i have to be on spec servers or....

ty 4 the help