Trimble M3 Total Station User Guide 29
Before Going to the Field 3
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WARNING – Avoid recharging the battery pack in humid or dusty places, in direct
sunlight, or near heat sources. Do not recharge the battery pack when it is wet. If you do,
you may receive electric shocks or burns, or the battery pack may overheat or catch fire.
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WARNING – Although the battery pack (part number BC-65) has an auto-reset circuit
breaker, you should take care not to short circuit the contacts. Short circuits can cause the
battery pack to catch fire or burn you.
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WARNING – Never burn or heat the battery. Doing so may cause the battery to leak or
rupture. A leaking or ruptured battery can cause serious injury.
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WARNING – Before storing the battery pack or battery charger, cover the contact points
with insulation tape. If you do not cover the contact points, the battery pack or charger
may short circuit, causing fire, burns, or damage to the instrument.
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WARNING – The battery BC-65 is not waterproof on its own. Do not get the battery wet
when it is removed from the instrument. If water seeps into the battery, it may cause a
fire or burns.
Note – Charge the battery pack indoors where the ambient temperature is between 10 °C
and 40 °C (between 50 °F and 104 °F). If you try to charge the battery when the ambient
temperature is outside this range, the protective circuit will activate and prevent it from
being charged normally.
Note – After charging the battery pack, do not recharge it until it has been fully discharged.
Recharging a fully charged battery pack lowers its performance.
Note – To prevent malfunction, keep the charging plug clean.
Note – If the charger indicator (LED2) blinks orange and green after charging is started,
there could be a problem in the battery pack. Do not use or charge the battery pack any
further. Contact your dealer.
Note – If the ambient temperature drops below 10 °C (50 °F) while the battery pack is
charging, charging stops. When the ambient temperature rises above 10 °C (50 °F),
charging is resumed.
Note – If the charger indicators (LED1 and LED2) remain lit orange for more than three
hours while the ambient temperature was in the normal range (10 °C through 40 °C or
50 °F through 104 °F), there could be a problem in the battery pack. Do not use or charge
the battery pack any further. Contact your dealer.
Note – During the charge, the battery pack and charger will become warm. This is normal.
Note – After charging the battery pack, do not recharge it until it has been fully discharged.
Recharging a fully charged battery pack lowers its performance.
Note – If the battery pack is used at low temperatures (below -20 °C or -4 °F), its capacity is
reduced, and it will allow less operation time than a battery pack used at normal (room)
temperature.
Note – If a battery pack is not used for a long period, it cannot be charged to its full
capacity again.
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