Quick Start Guide

24
How to Use Compass (PSGP410 only)
Due to the direction will be unreliable if in still as GPS limitation; W3 embeds 6 axis
e-compass and g-sensor to provide the reliable information without annoying
manual calibration.
a. Declination
Declination is a word used in astronomy to describe one of the two coordinates
of the equatorial coordinate system, the other being either right ascension or
hour angle. Declination is comparable to latitude, projected onto the celestial
sphere, and is measured in degrees north and south of the celestial equator.
To eliminate the offset, you can go to Compass\Declination to setup to cancel the
er ro r.
Press “Page button” 2s to enter MAIN
MENU.
Press UP and DOWN to select
COMPASS
Press UP and DOWN to select
DECLINATION
You can Manual or AUTO to input the
declination angle.
After input, the magnetic angel will be
offset according setup.