Sam4s ER-655II - Service Mode

100  Service Mode Programming SAM4s ER-655II v1.2
 Turn the key to the SM position (one position clockwise from the PGM position)
to display the SERVICE MODE menu:
SERVICE MODE 
0. HW TEST
1. CLEAR ALL TOTALS
2. CLEAR GRAND TOTAL
3. CLEAR PLU FILE
4. EPROM INFO.
5. MEMORY ALLOCATION
6. KEY ASSIGNMENT
 Press PAGE DOWN to view the remainder of the SERVICE MODE menu:
SERVICE MODE 
7. IRC OPTIONS
8. RS232C PORT 1
9. RS232C PORT 2