Changing opacity shortcut nudges layer instead

[TypoMan23]

I often use the keyboard shortcut to change the opacity of a layer in increments of 10%. But now the shortcut is nudging the layer instead of changing the opacity.

Why is this suddenly happening?

Thank you.

[c.pfaffenbichler]

The shortcuts to set the Opacity in 10s are 1, 2, 3, … so please provide a description of what you are doing exactly and post screenshots including the pertinent Panels. 

[TypoMan23]

Thank you for your reply, much appreciated.

Shift + UP/DOWN arrow (with the % value highlighted) used to alter the opacity in 10% increments.
Suddenly this shortcut is nudging the layer instead of changing the opacity. Very strange... I haven't changed any settings at all.

If I type "5" I get 5% and not 50%. That's always been the case for me, and it's never been in 10s when you enter a single digit.

[c.pfaffenbichler]

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If I type "5" I get 5% and not 50%. That's always been the case for me, and it's never been in 10s when you enter a single digit.

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That’s strange, the default behaviour is »5« -> 50% Opacity, »05« (quickly typed) -> 5% Opacity. 

But »50« (quickly typed) should also get you 50% Opacity. 

Is the Scrollbar still visible when you hot the arrow keys? 

[Earth Oliver]

Sounds to me like a pirated version of Ps if that's the behavior you're seeing.

5 has always = 50%, not 5%... for decades.

[TypoMan23]

Nope. Definitely not pirated...
CS3 was purchased, and CC fully subscribed to. 

I restarted and now it's back to its normal behaviour.

5 was always 5% and never 50%, for me.