... tiedown tensions . ... Limit switch positions/encoder reference . ... Load cell resistances measured at input to amp (used to see if db25 connector has blow filter) . ... We have measured the location of the jack at the limit positions using the encoder value and a tape measure (see td manual log section for the reference positions). ... Measure the jack position with a tape measure and then interpolate what the encoder position should by using the encoder reading/tape measuremets and the two limits...