Emprex GPS Bluetooth Receiver IGO-08A - Manual (Page 13)

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5. How does GPS Compass work?
5-1.GPS Compass Calibration
Calibrate the GPS receiver before using.
1. Long press the Switch 1 ( ) for 2 second to enter
Calibration mode, the Circle LED will lighten. Set GPS
receiver on your car and turn around for 360°. Fix the
bottom (Battery bolt) of IGO-08A to the same direction as
your car’s head to run Compass calibration. Long press
Switch 1 (
) again for 2 second to finish calibration.
Digital Compass function is on now.
2. Do not put magnetic object close to GPS receiver to avoid
of Compass function inefficacy.
3. Set the GPS receiver horizontal during using Compass
function.
4. In order to get the best accuracy, please run Compass
calibration each time you place IGO-08A on different
cars.
5-2. GPS Compass setting
1. Short press Switch 1 ( ) to switch Compass On/OFF
2. IGO-08A will check the direction when Digital Compass is
on. When the moving speed is over 20km, GPS
receiver’s direction adopts the satellite’s data; if the
speed is less than 20km, GPS receiver’s direction adopts
the Digital Compass’s data.
3. The GPS get miscarriage and wrong direction easily