chemlights and flares/helicopters/genders HELP PLEASE

[JOHNCRAFT98]

ok so whenever i start up to play and it asks me to choose the gender its a grey rectangle in each spot. no for helicopters and actually compiles for the helicopters theres no ka-60 and the compile is an error it gives me
and now for the flares and chemlights, i heard you had to click "f" to scroll though the weapons to thow them but i keep trying and it wont wor PLEASEEEEE HELP