etlz_clr - Extreme low zone threshold clear is enforced to have value of '-
273'. Module doesn't operate in such temperature, but this value is logically
set in order to define clearly 'thermal state' to temperatures below -40 deg.
etuz - Extreme up zone threshold is enforced to have value of '105'. Module
doesn't operate in such temperature, but this value is logically set in order
to define clearly 'thermal state' to temperatures above 105 deg.