units.CustomName SystemGlobal:CustomName FL
units.CustomUnit SystemGlobal:CustomUnit feet
units.CustomValue SystemGlobal:CustomValue 660.0
units.decodeValue
units.DisplayType SystemGlobal:DisplayType Generic
units.formatValue
units.MetricType SystemGlobal:MetricType meters
units.SystemScale SystemGlobal:SystemScale 1.0
units.SystemType SystemGlobal:SystemType inches
units.USFrac SystemGlobal:USFrac frac_1_8
units.USType SystemGlobal:USType ft_Dec_In