Once the RioRiot has been upgraded, it is important to recalibrate the battery. To do this:

1. Use the RioRiot until it displays a message that reads, "Battery is almost empty!
Connect the wall charger to continue."
2. Leave the RioRiot turned on, and plug it into the charger.
3. After a 6 to 7 hour charge the RioRiot will then need to be used until "low" appears
where the battery bar is. At this point the player will be calibrated and ready for regular use.

**Note** If you ever use the RioRiot to the point that the battery is completely drained (i.e. the
player will not power on) you will need to recalibrate the player. Plug the player into the charger,
turn the player on, and let it charge for 6 to 7 hours. **Note**