Maintenance
Optical Power Expert 51
Recharging the Battery
IMPORTANT
³ The battery is not charged at the factory. You must fully charge
it before using the unit for the first time. The battery is fully
charged after a few hours or when the battery LED indicator is
steady blue.
³ The time required to charge the battery depends on various
factors such as the type of tests currently performed and the
ambient temperature.
³ To ensure that the battery functions properly, keep it in
temperatures between –10 °C and 45 °C (14 °F and 113 °F). Store
it between 10 °C to 35 °C (50 °F to 95 °F).
When the ambient temperature is below 0 °C (32 °F) or when it
reaches or exceeds about 40 °C (104°F), the battery can either
charge more slowly than usual, or not charge at all, depending
on the internal temperature of your unit.
³ Do not leave a battery discharged for several days.
³ Should you notice a decrease of the autonomy each battery
charge provides, you may want to replace the battery with a
new one to maintain optimal operation conditions.
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