More secrets revealed.

There is so much info that is encoded in, on, or around vehicles that they can tell us much about thenselves, but unless we know how to decipher the codes, we remain in the dark.

Thanks to Feral, & Ddgonzal, for shining another light on the subject.

If "F" does actually stand for "floor" then perhaps the "R" stands for "remote"

EDIT [18 months later]
The word 'remote' is used in the 1000 workshop manual in the description of the three speeds column shift mechanism.
Quote
"3 stage for forward, 1 stage for reverse.
Remote control
Full-synchromesh on forward gears"