You can download a copy of a toolbar button from my website that I made that sets most of my personal preferences for Datacad. If your comfortable with creating toolbars, you can modify it to fit your needs. Get it .I don't want to post it here as it will make the forum all stretched out.
***What is set***
º = Walls off
¾ = Symbol Explode On
Ä = Offset Dynamic Off
Í = And Copy Off
Ï = Snap Aperture Off
Ö = Clip Cubes Off
× = Layer Search On
Þ = Associatve Hatch On
à = Associative Dimension On
ò = AllCaps Off
^:^F9^F3^ = Freehand Polylines
^:^F0^F2^F1^ = Scale Type Architectural
^:^F0^F3^F1^ = Angle Type Normal
^:^F0^F5^10^$^ = Cusor Search Area Miss Distance 10
^:^F0^F6^999^$^ = Small Grid Display Size 999
^:^F0^F7^20^$^ = Scroll Distance 20
^:^F0^F9^30^$^ = Save Delay 30 Mins
^S1^F5^F1^S9^0.0.1/4^$^0.0.1/4^$^F2^S9^0^$^0^$^F3^S9^0^$^0^$^ = Snap Grid ¼”x ¼” / Grid1 0"x0" / Grid2 0"x0"
^:^S1^F0^8^$^ = Snap Angle 8
^:^S1^S1^0^$^ = Grid Angle 0
***All Under Display Menu With Auto Returns***
^:^S2^S2^0^$^ = Smallest Text to Display 0
^:^S2^S2^0^$^ = Smallest Text Box Color / No Change
^S4^0^$^ = Smallest Symbol to Display 0
^S5^8^$^ = Arc Factor 8
^S6^F2^S0^ = Active Layer Drawn Last
*** Return to Normal Input***
^:^S3^S1^F2^F3^F4^4^$^F5^F6^F7^S4^10^$^ = Object Snap Settings: End, Mid, Center, Intersect, Snap Miss Distance 10
S6^S2^F1^0.05^$^F2^F1^S0^F3^50^$^F4^1^$^F5^F1^;^ = Arrows; Size=0.05, Style=Open, Aspect=50, Weight=1, Color=White
^S9^Grid Lock$^F3^S0^ = Apply grid lock to all layers
End