ArduinoBt and PDA

Hello, i buy a arduinoBT i can send data to my pc with the arduino software. i want to send data from arduino to a pda thanks bluetooth but i have no idea how to do that. I'm very nub in bluetooth communication. I have see a lot of website but havent found any solution. So if u have some idea ... I have some question about bt: How can i know the bluetooth adress of my arduino? For what the reset bluetooth on the arduino is usefull? Thanks for reading.