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3 Batteries and Power
28 SPSx51 Modular GPS Receivers User Guide
External power
The GPS receiver uses an external power source in preference to its internal batteries.
If the receiver is not connected to an external power source, or if the external power
supply fails, the internal batteries are used.
If the receiver is not connected to an external power source, or if the external power
supply fails, the internal batteries are used.
While carrying out static measurements for postprocessed computations using the
internal memory, if no external power is supplied and the internal battery is drained,
the receiver shuts down. No data is lost and when power is restored, the receiver
restarts in the same status as it was when power was lost.
internal memory, if no external power is supplied and the internal battery is drained,
the receiver shuts down. No data is lost and when power is restored, the receiver
restarts in the same status as it was when power was lost.
It is possible to turn off the internal battery using the web interface. In this case, when
external power is switched off, there is a limited time (30 seconds) before the unit turns
off.
external power is switched off, there is a limited time (30 seconds) before the unit turns
off.
Battery safety
The receiver is powered by a rechargable internal Lithium-ion battery. Charge and use
the battery only in strict accordance with the instructions below.
the battery only in strict accordance with the instructions below.
C
WARNING –
Do not damage the rechargeable Lithium-ion battery. A damaged battery
can cause an explosion or fire, and can result in personal injury and/or property damage.
To prevent injury or damage:
– Do not use or charge the battery if it appears to be damaged. Signs of damage include,
but are not limited to, discoloration, warping, and leaking battery fluid.
– Do not expose the battery to fire, high temperature, or direct sunlight.
– Do not immerse the battery in water.
– Do not use or store the battery inside a vehicle during hot weather.
– Do not drop or puncture the battery.
– Do not open the battery or short-circuit its contacts.
To prevent injury or damage:
– Do not use or charge the battery if it appears to be damaged. Signs of damage include,
but are not limited to, discoloration, warping, and leaking battery fluid.
– Do not expose the battery to fire, high temperature, or direct sunlight.
– Do not immerse the battery in water.
– Do not use or store the battery inside a vehicle during hot weather.
– Do not drop or puncture the battery.
– Do not open the battery or short-circuit its contacts.
C
WARNING –
Avoid contact with the rechargeable Lithium-ion battery if it appears to be
leaking. Battery fluid is corrosive, and contact with it can result in personal injury and/or
property damage.
To prevent injury or damage:
– If the battery leaks, avoid contact with the battery fluid.
– If battery fluid gets into your eyes, immediately rinse your eyes with clean water and
seek medical attention. Do not rub your eyes!
– If battery fluid gets onto your skin or clothing, immediately use clean water to wash off
the battery fluid.
property damage.
To prevent injury or damage:
– If the battery leaks, avoid contact with the battery fluid.
– If battery fluid gets into your eyes, immediately rinse your eyes with clean water and
seek medical attention. Do not rub your eyes!
– If battery fluid gets onto your skin or clothing, immediately use clean water to wash off
the battery fluid.
Battery performance
To optimize battery performance and extend battery life:
•
Fully charge all new batteries before use.
•
Batteries perform best when they are not used at extreme temperatures. The
receiver is designed to operate at –40 °C to +65 °C (–40 °F to +149 °F). However,
operation at temperatures of less than 0 °C (32 °F) can cause a rapid drop in
battery life.
receiver is designed to operate at –40 °C to +65 °C (–40 °F to +149 °F). However,
operation at temperatures of less than 0 °C (32 °F) can cause a rapid drop in
battery life.