Yamaha PSR Keyboards Easter Eggs

If you have visited the other easter egg for the psr keyboards, just do it an octave lower.

There is also in addition to the strange beeping,
you can play beep sounds when it says "TG1 Check 1".
Use the + - keys to scroll thru the menu.
Press the... more

With the keyboard off, hold down the keys C3#,F2,G2#. Keeping the keys held down, turn on the keyboard. The screen will come up with the message: "TG1 Chk 1", and will make a weird beeping sound with the pitch becoming higher and higher. It will not damage... more

With the GX-76 turned off, press C2#, F2, G2# together. Then turn it on. Now move through the secret menu using the +(YES) and -(NO) buttons...