Acquiring Satellite Lock; Gps Coldstart - Racelogic VBOX LapTimer User Manual

If the vehicle being used does not have a metal roof, then place the GPS antenna on a flat piece of metal at least 10cm
in diameter. If this is not possible, copper or aluminium foil can be used 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 GPS signals, causing a reduction in the number and quality of satellites being tracked,
leading to inaccurate position measurements and a noisy velocity signal.
GPS works best in open areas/ Avoid tree lined roads

GPS Coldstart

If VBOX LapTimer is struggling to acquire satellite lock, a GPS coldstart may be required. This may be necessary when
the unit hasn't been used for a number of days or has dramatically moved location since its last use. To perform a cold-
start, select MENU > GPS OPTIONS > COLDSTART.
Note: The GPS Options menu cannot be accessed when the LapTimer is being used in OLED mode. In this instance,
the coldstart must be done on the connected unit.
https://racelogic.support/02VBOX_Motorsport/VBOX_LapTimer/VBOX_LapTimer_-_User_Manual/
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