I called Furuno & talked to someone in support. As I was on my boat. he told me where to go on the TZT screen, It was set to magnetic, when it should have been set to true. This accomplished the degrees matching on the TZT & 711c. We also went to a setting that turns on the Nav feature for setting the autopilot from the TZT, I would never have guessed that the Autopilot had to be "turned on" by a switch in the TZT settings, in order to use the TZT to navigate by autopilot.