Bird Technologies 5000 Series - Manual (Page 31)

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Chapter 4 Maintenance
Cleaning
Clean the Bird Digital Power Meter and its display
with a soft cloth dampened with mild detergent and
water only. Clean sensors with a dry cleaning solvent
that leaves no residue.
Charging Batteries
Fully charged batteries provide a minimum of 100
hours of continuous operation. Charging time is
typically 8 hours using the ac adapter. The batteries
charge whenever the DPM is connected to either ac or
dc power sources, using either the ac Mains adapter or
the automobile cigarette lighter adapter. The unit will
charge with its power turned either on or off.
NOTE: For optimum battery life, charge the
batteries only after “Low Bat” is displayed.
CAUTION
Harsh or abrasive detergents and some solvents
can damage the display unit and
information on the labels.