Sam4s ER-390M - Manual (Page 119)

ER-390M Program Mode Programming • 111
Program 80 - Function Key Descriptor
Program descriptors by entering three digit alpha character codes.
1. Turn the control lock to the P position.
2. To begin the program, enter 8 0, press the SBTL key.
0 SBTL 8
3.
Enter up to 18
characters from
Alpha Overlay
FUNCTION
KEY
4. To program additional function keys, repeat from step 3, or press the CASH
key to finalize the program.
CASH