Never mind...figured it out. Somehow or someone went around and mucked around with the configuration keys. ARGH!
. . . and this is why many people recommend
not having a dedicated "TAB" button
and disabling the shifted function for it, too.
If you already have a dedicated menu button, you can add a concealed SPST switch inline with the button to disable it when you aren't configuring the system. SPST shown in "disabled" (open) position.
SPST switch "Menu" button
Encoder _______/ ___________/ ____ Other daisy-chain ground connections
| | |
Ground ________________________|_________|__________|
Scott