I hope you’re staying safe and getting a lot done on the railroads!
I just acquired a new Proto 2000 GP18. It has DCC but I don’t know what brand. I plan on consisting it so I need to program the start voltage down (it starts moving at 30). When I read CV8 the value is 8, which doesn’t code for any certain manufacturer. Any help? Should I just take the shell off and look at the decoder?
What system are you using? I use the nce power cab. If i go to program track menu and select 1 it will show me the decoder manufacturer number. Then I go online and check who makes it.
NCE Zendesk says BLI is 8, don’t know why that would be in a Walthers loco, edit I must have been having a senior moment when I read that, but it’s not there now.
but be that as it may, the relevant CV is 2 for starting voltage. What do you read there?
When you say it moves at 30, that is speed step 30?
The reason I was trying to find out the manufacturer is I wasn’t aware there was a standard. I thought that like sounds the CV numbers would vary. Thank God for the NMRA to keep this all standardized!
Seeing how there is no Manufacturer ID assigned to 8, you must be looking at the wrong CV. BLI is 38. The complete list is here.
V Start is CV2, and a good place to start. You should identify the decoder, which should be in CV7, after you determine the manufacturer. Knowing which decoder was installed helps a lot. Some OEM versions are lacking in features.
Be warned: Not all CVs are mandatory, so some features may not be available. If the decoder uses indexed CVs that can also get interesting.