1. To access the parameters menu press and hold
the "reset" button for 10 seconds until "t5" starts to
flash in the display.
3. Using the bottom pair of + / - buttons on the facia
allows different parameters to be selected "P01 - P29"
Using the top pair of + / - buttons the value of the
flashing parameter can be changed.
At any time using the bottom pair of + / - buttons will
allow you to move to the next parameter saving the value
previously input.