You enter the configuration mode by pressing the center button for 3 seconds and you will see:
Set = Entering Setup
-00 = Product version
Use the up and down keys to choose what you want to change and press the center button.
Change the values with the up and down buttons. When you finish the middle button again.
Choose the critical temperature for your car considering that:
1-If the critical temperature is 97 ° c (206.6 ° f), it is warned from 98 ° c (208.4 ° f)
2-If the critical temperature is 97 ° c (206.6 ° f), the cut is from 104 ° c (219.2 ° f)
You must change this value so that the led lights up next to the electro
0 = With the electro switch off there is 12v in the cable
1 = With the electro shutdown there is 0V in the cable
DO NOT TOUCH !! Changing this value alters the measurement.
To calibrate you should boil water and make sure that you mark 100 while the water is boiling.
Note that if you live in the heights it changes the boiling point.
It is not so important the room temperature 1, 2 or 4 degrees at room temperature does not affect anything.
Change the brightness of screen.
Save the changes and finish the configuration by pressing the central button.