IFC 4.3.2.20240904 (IFC4X3_ADD2) under development

7.4.8.2 PEnum_AudioVisualAmplifierType

7.4.8.2.1 Semantic definition

Type	Description
`FIXED`	Fixed
`VARIABLE`	Variable
`OTHER`	required category not on scale
`NOTKNOWN`	Value is unkown
`UNSET`	No description available.

Table 7.4.8.2.A

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