Actually Squeak, they did make some dramatic changes in their firmware upgrades for the PSR-3000, T1 and T2. However, you have to own the keyboard in order to know that and how they were used. Background colors changed, fonts were modified, and several other items were improved. Keep in mind that upgrades can only be accomplished within the primary operating system. Otherwise, the entire operating system would have to be changed, and NO MANUFACTURER is willing to do this without coming out with a new keyboard.
Gary
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Travlin' Easy
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)