Gps Coldstart - Racelogic Performance Box Touch V2 Quick Start Manual

the signals. Avoid the edges as reflections from the A-pillars will cause problems.
Mount the antenna as high up as possible and keep it above any roll bars. Pieces of metal close to and above an
antenna will badly disrupt the GNSS signal.
If the vehicle you are using does not have a metal roof, you need to place the GNSS antenna on a flat piece of
metal at least 10 cm in diameter. If this is not possible, you can use copper or aluminium foil to create a shaped
ground plane underneath the antenna. For example, on a fibreglass roof, mount the antenna on top of the
roof, and place some adhesive-backed metal foil underneath, on the inside of the roof.
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.

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
https://en.racelogic.support//Product_Info/Performance_Meters/Performance_Box_Touch/Performance_Box_Touch_V2/
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GNSS works best in open areas. Avoid tree-lined roads.
COLDSTART button in the Diagnostics Settings menu.
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