To identify a units software version, power it OFF and back ON again
During start up, a number is briefly displayed in the upper right-hand corner of the LCD that indicates which software is installed
This number is also printed on the label attached to the U14 microprocessor and the U8EEPROM device on the Controller Board
Note that units with Revision 3.x or 4.x controller boards WILL NOT display the software revision on the LCD display (These units will display "SELECT A CYCLE" instead os software version)
The software version number is the character to the immediate right of the R
Typical features