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The 'Measure' button has to be pressed twice to get a reading; first press to turn on the
laser and second press to measure the distance. The user must wait at least 1 second
between the presses to allow the laser enough time to receive a reading and display it on
the screen.
Pressing the 'Measure' button three or more times rapidly will cause the DLLHS to show
an error message on the readings. When this occurs, wait a couple of seconds before
attempting to take a reading again following the correct method.
6.2
GPS readings are not showing or inaccurate
After a cold start, the GPS unit requires roughly 1 minute to locate the satellites and
provide an initial GPS reading. This delay should only happen on the first recording,
subsequent readings shouldn't have any delays in providing accurate GPS coordinates.
Certain areas on the track and conditions can affect the readings provided by the GPS,
including signal obstructions caused by tunnels, buildings, trees or even lack of satellites.
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