>each time i power on my circuit menu is displayed and this process continue >all 2 seconde (about). >i want that menu come just one time and wait for another task. > __CONFIG _CP_OFF & _WDT_ON & _BODEN_ON & _PWRTE_ON & _XT_OSC & >_WRT_ENABLE_ON & _LVP_ON & _DEBUG_OFF & _CPD_OFF IMHO you would want to reset your watchdog timer once in a while..... VK2GWK - HENK Home page: http://www.users.bigpond.com/tobbe/index.htm