Q: Am I using the RAM or RBA?

A: If your device is intended for the UK/European market then you are likely using the RAM. If your device is intended for the US Market, then you are likely using the RBA. 

iPP320/350 RAM

1. Power on the device, or restart it by holding Yellow & Period (Y & .)
2. Press MENU key

iPP320/350 RBA

1. Power on the device, or restart it by holding Yellow & Hash - (Y & #)
2. Wait until the grey information screen (see screenshot for example).

 
Information screen on the iPP350. The iPP320 is similar but less detailed.

3. At the grey screen, press in sequence 2, 6, 3, 4, Green, F - (2, 6, 3, 4, Enter, Menu)

Note: Once you have typed in 2, 6, 3, 4, enter, you may have to press F repeatedly until the menu appears.