Rogerwalk, George:

I did find the post referred to above regarding the HD621 -> G68 connection, but there is conflicting info.

One post says: 1/2 ->D1, 3/4 ->D2, 5/6 ->D3

Another says: 1/2 ->D1, 3/4 ->D3, 5/6 ->D5

Which is correct?