what does the flasher cable do?

[westy]

hi,
i have a 3330, 3310 and a 5110 i have a data cable for the 33**. but i am intrested in the flasher cable cause i got the data cable thinking that was the one to edit menu's etc.
i am currently saving for a flasher cable, any site recomendations?
and what are they used for?

thanks

[Silva]

Go to ucables.com.
Greetings,
Silva.
Brasil 2 x 1 England...