The factory default accessory address is 2044. This is a “broadcast” address. You can change it by two methods.
1. Standard locomotive Ops mode - programming on the main
with power on, install setup jumper
select loco 9999, enter
use loco programming method to change address and / or CV
remove setup jumper
NCE system only –press PROG/ESC 7) - OPS mode accessory programming
with power on, install setup jumper
Press SELECT ACCY on your controller
Type in the new address you want to EB1 to use followed by ENTER
Press 1 (for NORMAL) when prompted on your controller
Remove setup jumper
Using method 2, once the initial address is setup, you can then use option 7 in the Power Pro menu to directly change CV129 using ops mode programming accessory CV
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