FOCUS 4010/HT Dental Porcelain Furnace Page 9 Manual version 4.2.2013
2.6 Sound Messages :
The tone sound is a useful indicator for key selection and operation procedures.
A single tone sounds, when a key is pressed or when the furnace is in the "HOLD"
mode.
A double tone sounds when there is an incorrect key selection or choice of data.
A five double-tone sounds at the end of a firing cycle.