1. dot each "fret" on the fret. I'm guessing this was from inception until the later 70s at least, if not until the end of the 4001 run.
2. dots only at G A B C# octave G A B on the fret;
3. dots as for fretted basses (not sure which frets or what type of mind-altering substances were ingested prior to the implementation of this idea
Any others?
The main point is to get down the general range of years (and details, if applicable, during the 4001/4003 overlap) for which these and any additional permutations were produced.
I am entertaining the thought of obtaining another FL, but I have to avoid #3 and would like to avoid #1.
Thanks!




