What is gps, What is ipx7 – GLOBALSAT GH-625XT v3.0 Quick Start User Manual
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What is GPS?
GPS stands for Global Positioning System. For 3D fix, we need at least four satellites.
Normally the accuracy of GPS under open sky which means no tall building and clear sky is
within 10 meters per second. Therefore, if the device shift 10 meter at that second, the device
may shows 36 kilometer per hour instant speed. Nowadays, the GPS consumer product has
built in adjust algorithm and assisted method to extend capability of GPS.
What is IPX7?
Protected against the effects of temporary immersion in water. Under specific
conditions of pressure and duration, water must not enter a
temporarily submerged headlamp in quantities that would cause adverse
operational effects.
The IPX7 waterproof standard is for device one meter under water within 30
minutes protection. Waterproof standards usually measure by the pressure of water.
IPX7 standard provides device protection to be exposed the rain and sprayed over
water. However, the pressure of swimming or diving should exceed IPX7 standard.
Note for Upgrading Firmware
Do not interrupt during upgrading the firmware
When the upgrading firmware fail, please go over the process again
Choose the firmware file carefully