Introduction - If you have any usage issues, please Google them yourself
/* DSK6713 Function: without any key press when four lights flashing and playback 8s (advance deposit Fortunately flash 0x90020000- 0x90040000 Lane) may modify the content of LED2 process* When the first key press when LED0 lit, music through the line in straight-through output* When the second button press when LED1 lit, music through the line in straight-through encrypted output* When the third button when pressed LED2 lit, music through the line in straight-through encrypted output* When The fourth button press to start recording when the LED3 flash, microphone input recording playback after 4s (the existence of flash 0x90010000- 0x90020000)* /