Fantastic acoustic piano tone with one-button access! The Yamaha Portable Grand DGX 500 keyboard is about as close to a real piano in sound as you can get with a digital device. The Yamaha DGX500 is similar to the Yamaha DGX300 except that the DGX500 has more keys. While the DGX300 has 76 keys, the DGX500 has 88, just like a regular acoustic piano. It comes with a single foot switch that imitates the pedals of a real piano, not exactly with the same results, but it does add a quaint touch.
The Yamaha DGX-530 weights 37 lbs, which is moderately heavier than the average for all Portable Keyboard Digital Pianos and Keyboards. The piano can generate 500 sounds, which is moderately more than the average for all Portable Keyboard Digital Pianos and Keyboards. In addition to the 500 sounds the Yamaha DGX-530 can produce 160 rhythms, which is 60 more than the average for all Digital Pianos and Keyboards.
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To restoring a DGX 500 to it’s factory settings, just simply power ON while simultaneously holding the “highest (rightmost) white key” on the keyboard.
Warning! This procedure will erase all Registration Memory and User song data, plus the other settings listed above. Before you perform this operation, check whether there is any data you want to keep. This procedure also applies to the DGX-300, DGX-230, YPG-235, DGX-205, DGX-203, PSR-295, PSR-293, DGX-505, DGX-305, DGX-620, DGX-520, YPG-525, YPG-625, DGX-530, YPG-535, DGX-650, DGX-640 units. Hopefully the article of “Reset a Yamaha Portable Grand DGX 500 Keyboard” can help you.
Reference: Yamaha DGX 500 manual