I'm not 100% sure but I think the DME can be recoded (1) one time as it lists the warning saying that in one of the menus of the Foxwell but you have to dig deep into the menus to find that message and it's been awhile since I saw it.... Like I said not sure but I bet Andrew or OB knows for sure.

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"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course