I posted this question on a couple of other forums and here is the answer I got on one of them.

TDX: 616AF10114

RXF: 044145140000

RXD: 2808

MTH: FFFD00020640

NAME: A/F

Scan gauge 2 xgauge question - CleanMPG Forums
I haven't tried it yet so if anyone comes up with anything else please post it. Hopefully I'll get around to trying it tomorrow.

After doing more calculating the original post on the other forum has changed the configuration of the math to cut down on some of the erratic reading. The new math is:

Math: FFFE0001066B