Sony PSP-1003 - Manual (Page 98)

98 System Settings
You can set the character code to be applied to music and other types of files.
Usually it is not necessary to adjust this setting.
Hint
The default setting is "Multilingual Latin 1 (850)".
You can display information about the system battery.
* The number of hours as calculated by the system is shown as an estimate.
Hint
There may be a slight difference between the display information and actual battery
performance. This is due to variations in actual usage conditions and environmental factors
(such as temperature).
Character Set
For File Names Sets the character code to be used in music and other file names
For Text in Files Sets the character code for text in m3u and other types of files
Battery Information
Charge Level Displays the battery charge level as a percentage
Hours Left
*
Displays the remaining hours of battery duration (except when
charging)
Power Source Displays the current source of power: "External" or "Battery"
Battery Status
Displays the status of the battery: "In Use", "Charging" or
"Charge Complete"