Trimble R6/R7 GPS and Trimble R8 GNSS Receivers User Guide 93
General Operation 14
Trimble R6 GPS and R8 GNSS Receiver Operation
14.6Resetting to defaults
To reset the receiver to its factory default settings, hold down [P] for at least 15 seconds.
For more information, see Default settings, page 116.
14.7Batteries and power
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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.
The receiver can be powered by its internal battery or by an external power source
connected to Port 1. Typically, one internal 2.4 ampere-hour battery provides
approximately 5.3 hours of operation during an RTK survey using the internal radio in
rover mode and approximately 3.5 hours of operation as an RTK base (this varies
according to temperature and wireless data rate).
If an external power source is connected to Port 1, it is used in preference to the
internal battery. When there is no external power source connected, or if the external
power supply fails, the internal battery is used.
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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.
The receiver is supplied with two rechargeable Lithium-ion batteries, and a dual
battery charger. The two batteries charge sequentially and take approximately four
hours each to fully charge.
147.1 Battery charging and storage
All battery types discharge over time when they are not being used. Batteries also
discharge faster in colder temperatures. If a Lithium-ion battery is to be stored for long
periods of time, make sure it is fully charged before storing and re-charged at least
every three months.
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