//O Key
    case 24: {
        if(_shift) then {
            []spawn {
            if (soundVolume != 1 ) then [{
                    1 fadeSound 1;
                    systemChat "Info partie : Audio 100%";
                    sleep 1.5;
                },{
                    1 fadeSound 0.1;
                    systemChat "Info partie : Audio 10%";
                }];
            };
        };
    };