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GPS BIKE COMPUTER
GB-580
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 Water Resistant 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.
SUITABLE
WATER RESISTANCE
Note for Upgrading Firmware
- Do not interrupt during upgrading the firmware
- Choose the right firmware file carefully
- Press UP+PG+PW to enter Boot Loader mode if device dead from fail of firmware update and then
process updating process again to recover device.
2
UNSUITABLE
CAUTION !
- Before first time using device, please fully charge the device.
- Please dry the USB cavity before connection of charging or data transfer.
- Before start training, please let antenna face to sky to get 3D fix
Symbol Explanations
GPS status indicator
- None: No signal
- Solid: 3D fix
- Solid with 1 bar: 3D fix with poor signal
- Solid with 2 bar: 3D fix with good signal
- Solid with 3 bar: 3D fix with strong signal
Timer icon
Cadence sensor
Clock alert
Heart rate monitor indication
Battery capacity indication
GPS BIKE COMPUTER
GB-580
3
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