Method: BOOK_SIGNAL_RED
Method: GET_SCALE_WEIGHT
Method: BOOK_SIGNAL_GREEN
Method: CREATEDEVICE
Method: BOOK_WEIGHING
Method: BOOK_WEIGHINGBACK
Method: CHECK_PRINTER
Method: CONSTRUCTOR
Method: CHECK_IDREADER
Method: GET_WEIGHT
Method: GET_IDNUMBER
Method: SET_SIGNAL
Method: INIT_DEVICES
Method: CHECK_SIGNAL
Method: CHECK_SCALE
Method: PRINT