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Locked Re: JMRI Not Identifying Locomotives Properly


 

We also need to be careful to not lead a user into jumping to conclusions.

Just because a loco on the programming track returns an exact match to either:

A) DCC Address alone.
or
B) DCC Address plus CVs 7 & 8.
or
C) DCC Address plus CVs 7 & 8 plus ProductID.

Does not unequivocally mean that the loco under test is represented by that roster entry.

1) It's possible that the loco under test has had its DCC Address accidentally reset or changed and you have a false match.

2) It's possible that the loco under test doesn't have a roster entry but its DCC Address (and possibly also other items listed above) happen(s) to match an existing roster entry.

It is not uncommon to encounter user confusion between the roles of the "Identify" button versus the "Read Type from Decoder" button, since both of them involve the concept of identifying something. We tend to assume others have the background knowledge we do.

Another unrelated gotcha is that if you have a roster group selected and an "Identify" returns a match to a non-visible entry the "Identify" will succeed but no loco will be seen to be selected.

Dave

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