- Type *#0002*28346#.
- It will bring up a menu.
- Load Params.
- Dump Params.
- Call Config.
- Press Back & it will bring up another longer menu.
- Key in 3 to bring up SPK Config Menu.
- Then key in 4 to bring up have-QTune (MP3) menu.
- Key in 1 to bring up SPK MP3 Vol. Menu.
- Key in 6 to change the max. Volume.
- You can always load default values.
- For F480 touch the input area and then input values, and then press ok.