In the applications settings you can configure the behaviour of LaserWeb.
(Hint: the "Enable CNC Mode" switch has been removed. The CNC operations are always active now.)
Here you can configure the virtual grid.
Set the feed units to mm per second oder mm per minute, as you like.
You can use the numpad of your keyboard (or a gamepad) to jog the machine.
Set the anker corner of raster images (which will be aligned to 0,0 of the workspace)