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Header: fxcg/app.h
Syscall index: 0x1E07
Function signature: void APP_SYSTEM_BATTERY(int opt);

Opens the "Battery setting" screen that shows in the start-up wizard and in the System menu (when F6 then F1 is pressed).


  • opt - Controls whether the screen should behave like in the wizard (1), or like in the System menu (0).


The setting for the battery type actually changes when an option is selected, even on the "fx-CG10/20 Manager" emulator.

If the value of the parameter is zero, the syscall returns when the user presses EXIT. If the value of the parameter is 1, it returns when the user selects a battery type, accepts the warning message and presses F6.