TurnOffDisplay     12 include/backlight.h void TurnOffDisplay(void);
TurnOffDisplay   2524 lib/ubasic/ubasic.c       on_off_statement(token, TurnOnDisplay, TurnOffDisplay);
TurnOffDisplay   1861 modules/luascript.c   else TurnOffDisplay();
TurnOffDisplay    309 modules/module_exportlist.c             TurnOffDisplay