Device : Canada 310 XL , or others

we must change for [up / down] only 2 right values (662 and 320)
to see original values hold power button until the screen with values

original values for tomtom XL

Original Values	819    225     662      320
Working Values	819    225     640      340
A B – LEFT / RIGHT XY –  UP/ DOWN	A          B        X            Y

 

 

 

 

dimm beta formula = X-22 , y +20 ( ex : 662 -22 ; and 320 +20 )
[original value – 22 , original value +20]

 

dimm beta formula # 2 = X+61 , y+ 99 ( ex : 662 +61 ; and 320 +99)
[original value +61 , original value +99]