I need help with my philips gogear 8gb flash audio video player!!!?

okay im having trouble again with my philips gogear 8gb flash audio video player. after im done audio recording i want to label the recordings so i dont get them mixed up. like right now when i record the recording are labeled "VOICE001.WAV" AND I DONT WANT IT TO SAY THAT. SO CAN SOMEONE HELP ME? PLEASE