UNITSin and UNITSout specify the units in which milk, fat and protein are provided to the program and returned to the user, respectively. Pounds ('P') and kilograms ('K') are supported; pounds is the default. If a value other than 'K' or 'P' is provided the default is used.
5.1.26 UNITSin and UNITSout
UNITSin = 'P'
UNITSout = 'P'
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