Acquiring Satellite Lock
Tall buildings or trees can block GNSS signals, causing a reduction in the number and quality of satellites being
tracked. The reduced number of satellites can lead to inaccurate position measurements and a noisy velocity signal.
GNSS works best in open areas. Avoid tree-lined roads.
GPS Coldstart
If Performance Box Touch is struggling to acquire a satellite lock, you may need to perform a GPS coldstart. This
may be necessary when the unit hasn’t been used for several days or has moved location significantly since it was
last used.
To perform a coldstart, press the
button in the
Diagnostics Settings
menu.
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