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At this point I wouldn't even assume it is really playing 439.5 Hz. It may simply be the UI that is broken. Maybe they use floating point and don't know how to do rounding.

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Originally Posted by EVC2017
Suggestion, set to 440.5 and see what happens. FWIW , the error is approximately 1/1000 or 0.1%. Considering a half tone variation is 6% or 60 times as much, I really doubt even the most experienced piano player, even a person with absolute ears, will notice this error.

Sure, I'll try setting it to 440.5. Yeah I understand this variation is too small to notice but it shouldn't be happening on a digital piano so its bothering me a bit.

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Originally Posted by entonio
At this point I wouldn't even assume it is really playing 439.5 Hz. It may simply be the UI that is broken.

I used a piano tuner app and can see that the frequency was changing to 439.5.

Originally Posted by entonio
Maybe they use floating point and don't know how to do rounding.

That is an interesting point - yeah maybe a rounding bug somewhere that gets triggered somehow. But it happens seemingly randomly and there aren't good reproduction steps - just set it to 440 and after a while it is 439.5. Yesterday I saw it 3-4 times today it is holding up at 440 though.

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Originally Posted by cvad
I have a CA99 and started seeing a weird issue. I use "SK-EX Concert Grand" with SK-EX rendering on and tuning set to 440Hz. After playing for a while, when I go into settings, I see that the tuning is now 439.5Hz. I change it back to 440Hz and see the same thing happening.

I'm not sure if the act of going into the settings is changing the tuning or if the tuning was changing midway during playing.
I have the latest Firmware and UI updates.

To clarify, you are using the CA99's built-in touchpanel which you notice this occuring, yes?
Not the PianoRemote app?

Kind regards,
James
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Hi Kawai James,

There are some inconsistencies in the UI.
For example, when you go to the sounds menu, you can find all the acoustics pianos from the pianos menu. But for the sk-ex rendering there is no choice although you have 10 rendering types (classic, classic 2, romantic, full, jazz, brillant, rich, ballad, vintage, boogie). Those rendering types should be displayed in the sound menu.

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Hello Alain,

Thank you for your post.

Originally Posted by AlainGeneva
There are some inconsistencies in the UI.
For example, when you go to the sounds menu, you can find all the acoustics pianos from the pianos menu. But for the sk-ex rendering there is no choice although you have 10 rendering types (classic, classic 2, romantic, full, jazz, brillant, rich, ballad, vintage, boogie). Those rendering types should be displayed in the sound menu.

I believe there might be a specific reason for not listing the SK-EX Rendering types in the Sound tab, however I'll raise this with the development team.

Kind regards,
James
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Maybe it's to differentiate the piano patches using the SK-EX Rendering Engine, from those using the HI-XL one?

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Originally Posted by Kawai James
To clarify, you are using the CA99's built-in touchpanel which you notice this occuring, yes?
Not the PianoRemote app?

That's right, this is on the built-in touch panel not remote app.

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James or someone explained before that although it doesn't display sk-ex when you go to saved sounds, if you made that sound preset while Sk-ex rendering was selected, then it will play back with the sk-ex rendering enabled.

Last edited by InspiredByKawai; 3 hours ago.
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