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Yamaha P-45 fine tuning #2937887 01/24/20 03:51 AM
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Happy’s_Piano Offline OP
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Hi, let me start by saying thank you for any help that you may offer.

I purchased a slightly used P-45 Yamaha electric piano. Everything seems to work on it, the speakers work, but I am having difficulty making the “fine tuners” work. Per the manual it states to hold down the the function key and press G#6 to fine tune the hz down 0.2hz every time you push the key. This does nothing, I’ve made sure I’m pushing the right key (G6#) by following the picture in the manual and looking it up online. When you press the G#6 key while holding down the function key it doesn’t make a noise like it does when transposing up or down the key makes a ping noise, although you can only transpose up one, down one, and reset. I’ve also tried resetting the piano by pressing and holding the far right key and turning the power on, (power light blinks to show it reset). I went to guitar center to try and see if anyone could help but they didn’t have any answers. I tested the fine tuning in the piano at the store and it also didn’t work. I have reached out to Yamaha but they haven’t gotten back to me, it’s been 3 days. My goal is to tune the piano from 440hz (standard) to 432hz. This should be 40 pushes of the G#6 (440-432=8)(0.2x5=1)8x5=40

Any help would be appreciated.
Yamaha P45 manual

Last edited by Happy’s_Piano; 01/24/20 03:54 AM.
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Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2937888 01/24/20 03:55 AM
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clothearednincompo Offline
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Very small pitch changes can be unnoticeable to most people. Have you tried changing the fine tuning all the way to either extreme end?

Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2937889 01/24/20 04:00 AM
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Kawai James Offline
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Hello, welcome to the forum.

Checking the owner's manual, it seems that you are performing the correct operation, but for whatever reason the instrument is not responding.

May I ask if the "A3 = 442.0 Hz" setting (FUNCTION + A#6) has any affect over the pitch of the instrument?

It's possible that there is a problem with your instrument, or maybe (albeit unlikely) that there is a mistake in the owner's manual.
I expect Yamaha support will be able to confirm either way.

Kind regards,
James
x


Employed by Kawai Japan, however the opinions I express are my own.
Nord Electro 3 & occasional rare groove player.

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Re: Yamaha P-45 fine tuning [Re: clothearednincompo] #2937999 01/24/20 11:25 AM
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Happy’s_Piano Offline OP
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I pushed G#6 40 times, (equivalent of 432hz) with no change in pitch. And I did try pushing the A#6 key to put it at 442hz and this also does nothing. What’s odd is that the piano at Guitar center also does not change pitch as the manual suggests.

Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2938023 01/24/20 12:21 PM
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Be aware of the fact, that Yamaha names middle C as "C3", while everybody else uses "C4" for naming this pitch. So make sure to hit the right octave.


Yamaha P-515 | Kawai ES100 | Steinberg UR22 | Sony MDR-7506
Re: Yamaha P-45 fine tuning [Re: JoeT] #2938040 01/24/20 01:16 PM
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terminaldegree Offline
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Originally Posted by JoeT
Be aware of the fact, that Yamaha names middle C as "C3", while everybody else uses "C4" for naming this pitch. So make sure to hit the right octave.


Thanks for pointing that out - I had no idea. Also, that's profoundly stupid.


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Re: Yamaha P-45 fine tuning [Re: JoeT] #2938151 01/24/20 05:15 PM
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Originally Posted by JoeT
Be aware of the fact, that Yamaha names middle C as "C3", while everybody else uses "C4" for naming this pitch. So make sure to hit the right octave.

Wow, you're right, and it shows that on p9 of the P95 user's manual. I was going to jokingly ask if they call the lowest key on the piano A-1, and that's exactly how it's labeled.
Totally utterly nuts


Yamaha P90, Kawai GL-10
Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2938191 01/24/20 06:44 PM
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I looked at the user's manual for my P90 which is about 20 years old, and it also shows middle C as C3. I can't believe I've looked at that manual all these years and never noticed that.


Yamaha P90, Kawai GL-10
Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2938192 01/24/20 06:45 PM
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Gombessa Offline
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That's just Yamaha resisting the global trend of rising C levels.


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Re: Yamaha P-45 fine tuning [Re: Gombessa] #2938195 01/24/20 06:51 PM
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Originally Posted by Gombessa
That's just Yamaha resisting the global trend of rising C levels.

grin grin grin


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Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2938209 01/24/20 08:31 PM
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so glad I use the Smart Pianist app as my N1X interface. I don't have to deal with C-levels at all....


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Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2938247 01/24/20 11:23 PM
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There is also another naming convention used in MIDI, where the lowest note (MIDI value 0) is called C0, so you end up with middle C being C5 (MIDI value 60).

I guess Yamaha started this naming on their organ/synth actions having the leftmost key named C1 instead of C2 and then just kept it when expanding to 88 keys.


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Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2938251 01/25/20 12:01 AM
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Charles Cohen Online Content
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Originally Posted by Happy’s_Piano
. . .

. . . I’ve made sure I’m pushing the right key (G6#) by following the picture in the manual and looking it up online.
Yamaha P45 manual


. . . Did you follow the picture in the manual ? Or did you look it up on the Internet ?

From this exchange, it seems that the answers might be different.<g>

Also, I hope you're measuring the pitch change (or lack of it) with a digital tuner, and not expecting to hear it "by ear".


. Charles
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Re: Yamaha P-45 fine tuning [Re: Charles Cohen] #2938433 01/25/20 01:13 PM
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Happy’s_Piano Offline OP
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The key word is AND, I did both. Of course the manual only shows a small section of the piano it doesn’t show all 88 keys. So what some of you are saying is that the G6# could be different depending on where middle C is? Wouldn’t it just be one G# down from the top G#? So the top G# would be G#7, and one down from that G#6. This would make sense since the transpose key on A#6 does function as it should and it makes a beep to let you know that it actually did something. As to your last comment or question rather about using a tuner or my ear. The difference between 440 and 432hz is audible. I have multiple guitars, one in 440 and one in 432hz and the difference is quite noticeable. So if I push the G#6 key 40 time to down tune it 0.2hz per strike the note should be noticeably different and also out of tune with my 440 guitar. But alas, still no answer, Yamaha never got back to me either. I found a phone number, I’m going to give it a try on Monday when they’re back open.

Last edited by Happy’s_Piano; 01/25/20 01:15 PM.
Re: Yamaha P-45 fine tuning [Re: terminaldegree] #2938439 01/25/20 01:28 PM
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Happy’s_Piano Offline OP
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So it turns out that the C7 is the highest note on the piano but I was thinking that the highest G on the piano was G7, but there is no G7 so I had been playing G#5 instead of G#6. That actually did the trick. Thanks!

Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2938621 01/25/20 09:43 PM
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Originally Posted by Happy’s_Piano
So it turns out that the C7 is the highest note on the piano but I was thinking that the highest G on the piano was G7, but there is no G7 so I had been playing G#5 instead of G#6. That actually did the trick. Thanks!


All's well, that ends well.<g>


. Charles
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PX-350 / microKorg XL+ / Pianoteq / Lounge Lizard / EV ZXA1 speaker
Re: Yamaha P-45 fine tuning [Re: Happy’s_Piano] #2938981 01/26/20 08:41 PM
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Kawai James Offline
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Originally Posted by Happy’s_Piano
So it turns out that the C7 is the highest note on the piano but I was thinking that the highest G on the piano was G7, but there is no G7 so I had been playing G#5 instead of G#6. That actually did the trick. Thanks!


I'm glad to hear that you were able to change the Fine Tune setting as desired.

Regardless of the note naming convention, I believe the illustrations in the owner's manual indicate that the keys required to adjust this setting are in the top-most (i.e. right-most) octave.

Kind regards,
James
x


Employed by Kawai Japan, however the opinions I express are my own.
Nord Electro 3 & occasional rare groove player.

"I agree that the User Manual is very good." - arc7urus, March 2019

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