The DKC850 should be a straightforward replacement for your existing unit. It will allow internet access, including Disklavier Radio.
Make sure you don't throw out the original unit, just in case you need it for service purposes.
Adrian Thomas
On Oct 26 2013, Stew wrote:
>Is a possible to install a DKC-850 in a GranTouch DGT211XG with the
>DKC500R control unit that I purchased new in 1998?
>
>Thank You,
>Stewart Holveck
>Retired instrumental music teacherd
>