Sfaira ONE GNSS Receiver User Manual
2 Setup of the Sfaira ONE
2.1 Environment Requirements
To keep the receiver with a reliable performance, it is better to use the receiver in safe
environmental conditions:
Operating temperature:-45℃to+75℃
Storage temperature:-55℃to+85℃
Out of corrosive fluids and gases
With a clear view of sky
Do not expose to water for a long time
2.2 Power supply
The Sfaira ONE GNSS receiver comes with a large 4800mAh rechargeable Lithium-ion battery
that supports Type-C charging.The internal battery provides you an effective survey workflow
with about 16-hours operating times as a rover. However, this operating time varies based on
environmental conditions.
•
Receiver Safety
Charge and use the Receiver only in strict accordance with the instructions below:
–
Do not use or charge the Receiver if it appears to be damaged. Signs of damage include,
but are not limited to, discoloration, warping, and leaking Receiver fluid.
–
Do not expose the Receiver to fire, high temperature, or direct sunlight.
–
Do not immerse the Receiver in water.
– Do not use or store the Receiver inside a vehicle during hot weather.
– Do not drop or puncture the Receiver.
– Do not open the Receiver or short-circuit its contacts.
- Charging the Lithium-ion Receiver
Please use Type C cable for charging. Please obey the following instructions when charging
your batteries:
– Charge the Receiver completely before using it for the first time.
– Fully charge takes approximately 2 hours per Receiver at room temperature.
–
If the Receiver has been stored for a long time, charge it before your fieldwork.
– Re-charge the Receiver at least every three months if it is to be stored for long time.
- Storage of the Lithium-ion Receiver
– Keep receiver in dry and room temperature conditions.
Power light status:
Power on and not charging: keep red when power is more than 10%, flash red when less than
10%.
Charging: Keep green when it is fully charged, flash green when it is charging.
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