User's Manual

Safety
6 Spectra Precision Focus 4 Total Station User Guide
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WARNING – Charge and use the rechargeable Lithium-ion battery only in strict
accordance with the instructions. Charging or using the battery in unauthorized
equipment can cause an explosion or fire, and can result in personal injury and/or
equipment damage.
To prevent injury or damage:
– Do not charge or use the battery if it appears to be damaged or leaking.
– Charge the Lithium-ion battery only in a product that is specified to charge it. Be sure to
follow all instructions that are provided with the battery charger.
– Discontinue charging a battery that gives off extreme heat or a burning odor.
– Use the battery only in equipment that is specified to use it.
– Use the battery only for its intended use and according to the instructions in the product
documentation.
Warnings
Before using the instrument, read the following warnings and follow the instructions
that they provide.
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WARNING – Never look at the sun through the telescope. If you do, you may damage or
lose your eyesight.
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WARNING – The Focus 4 total station is not designed to be explosion-proof. Do not use
the instrument in coal mines, in areas contaminated with coal dust, or near other
flammable substances.
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WARNING – Never disassemble, modify, or repair the instrument yourself. If you do, you
may receive electric shocks or burns, or the instrument may catch fire. You may also impair
the accuracy of the instrument.
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WARNING – Use only the specified battery charger and AC adapter that are supplied
with the instrument. Do not use any other charger or adapter as this may cause the
battery pack to catch fire or rupture.
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WARNING – Do not cover the battery charger and AC adapter while the battery pack is
being recharged. The charger must be able to dissipate heat adequately. Coverings such
as blankets or clothing can cause the charger to overheat.
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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 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.