Why does the data sheet for A1362 have conflicting procedure to program sensitivity?
Both paths to the sensitivity register are the same: 

power, high pulse, mid pulse, high pulse.

The two descriptions do not agree about the definition of 'zone 1'. Either it is the state between power and the first high pulse, or, it is the state after the first high pulse, before the mid pulse.

But by either description, the sequence to get to the place where you can start programming the sensitivity register is the same.