How to upgrade the D5070 Programmer
Turn the D5070 "On" with no devices connected. If the display flashes "255" you have the ability to program addresses 1 to 254 on the compatible analog devices.
If it only displays two dots only only allows you to program up to address 127 follow the upgrade procedure below.
How to upgrade the D5070 Programmer to program addresses 128 through 254.