Hey Dennis,
1.
http://archicad-talk.graphisoft.com/viewtopic.php?t=43715
2. This could be your OPTIONS > PREFERENCES > WORKING UNITS
Mine is set to millimetres and I see 420 but when change to meters it becomes 0.42
You might be set to centimetres.
3. I'm not sure but if you change it to 6 and then save your job/template does it remember this for next time?
4. This would be nice.
Barry.
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10