188 Section 4B: MusicTransferring MP3 Files From Your ComputerThe Pocket Tunes software that comes with your device is compatible with the popular MP3audio file format. If your MP3 files are already on your computer’s hard drive, you need totransfer them to your device to listen to them on your device.If an expansion card is inserted into the device, on a Windows computer, Windows MediaPlayer copies the MP3 files to the expansion card. If you don’t have an expansion cardinserted, the MP3 files are copied to device memory.If you are transferring MP3 files from a Mac computer, you must insert an expansion cardinto the device. You cannot transfer MP3 files to device memory from a Mac.1. Connect your Treo device to your computer with the USB sync cable.2. On your device, press Applications and select pTunes .3. If you are transferring from a Mac computer, insert an expansion card into yourdevice. This step is optional for Windows users.4. Do one of the following: Windows. Open Windows Media Player on your computer. Select theSync tab, and then select Palm Handheld from the drop-down list.Select Start Sync. The files are transferred to your device or to anexpansion card automatically; do not press the sync button on the sync cable. Mac. Drag and drop the MP3 files onto the Send To Handheld droplet in the Palmfolder. Select your device name (username), the file name, and the destination(card). Click OK. Synchronize your device with your computer. Be patient;transferring music to an expansion card can take several minutes.Important: You must synchronize your device with your computer at least oncebefore you can transfer MP3 files from your computer.