5Getting Your Device Ready for UseConnecting to AC Power and Charging theBattery1. Connect the AC adapter to the power connector of MX50 ().Connect one end of the power cord to the AC adapter () and the otherend to an electrical outlet ().NOTE: AC adapter and power cord types vary with countries.2. Power is being supplied from the external power source to MX50.When external power is connected, it also charges the internal battery.For information on using battery power, see “Managing Power” inChapter 6.CAUTION: For optimal performance of the lithium battery, take note of thefollowing: Use the included AC adapter only. There is no need to fully discharge the battery before charging. You cancharge the battery before it is discharged. Do not charge the battery where the temperature is high (e.g. in directsunlight).