On my refrigerator, there's a wheel (1-5) to adjust temperature/power, but there's no indication about it - is it power (1 is low power and 5 is max power with max cold) or are those numbers the temperature?
It not the first time I come across refrigerators with that kind of setting, and I eventually always try a low and high number and try to compare between them about how it feels.
I have a simple refrigerator of Electra, and it has no indication I can see about a model.
Is there a standard for this? How can I know what the wheel numbers mean?