You have to do it exactly right, but there is a way to put in characters to center the number and in this case make the rest of the board turn "Amtrak blue". However, I do not know what it does to the side of the locomotive (I do not have it yet.)
The ARN on this specific model is 3 digit, therefore what you show above will in fact happen if you try to force it to a single digit. We cannot have 3 different ARN sets on one asset thus this is what will happen.
Essentially you can use anything between 100 and 999 just fine, you will however have the issue shown above with 99 and below.
You have to do it exactly right, but there is a way to put in characters to center the number and in this case make the rest of the board turn "Amtrak blue". However, I do not know what it does to the side of the locomotive (I do not have it yet.)
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