Specifications
ER420M Program Mode Programming • 147
Programming Group Description
1. Turn the control lock to the P position.
2. To begin the program, enter 9 1 0, press the SBTL key.
0 SBTL19
3. Enter the number (1-20) of the group you wish to program; press the X/TIME
key.
X/TIME
4. If you are programming using alpha overlay;
X/TIME
Type up to 18
descriptor keys
or,
Enter up to 18
three-character
codes
SBTL
5. To program additional groups, repeat from step 3, or press the CASH key to
finalise the program.
CASH










