If you are using the standalone GCC with the AVR32 GNU Toolchain /APPLICATIONS/AUDIO-PLAYER/<part>-<board>-<feature(s)>/GCC/
directory and type: make rebuild program run
If you are using IAR Embedded Workbench® for Atmel AVR32
The project should compile. Then the generated binary file is downloaded to the microcontroller to finally switch to the debug mode.
the “Debug” menu or press F5.