|12-15||Reference value (R) (IEEE 32-bit floating-point value)|
|16-17||Binary scale factor (E)|
|18-19||Decimal scale factor (D)|
|20||Number of bits used for each
packed value for simple packing, or for each group reference value for
complex packing or spatial differencing
|21||Type of original field values (see Code Table 5.1)|
Negative values of E or D shall be represented according to Regulation 92.1.5.