Thank you @Integer (Mike) for your hint. I have tried the SCALE setting in Main UI before but it didn’t work and I thought it is a general problem as described at OH 3 Scale profile exception while formatting value - #8 by icompas
You use the item for current wind direction from your weather station. Your item has item-type “String”. For the current wind direction I use the item which was created from the OneCallAPI. This item has item-type “Number:Angle”.
Inspired by your reply I changed the item-type of this item from “Number:Angle” to “String” and now the SCALE transformation works. There are so many little things to learn … which you can’t find in the documentation but only in the forum. Thank you for your help!
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