Motorola MT2090 사용자 설명서

15 - 2 MT2070/MT2090 User Guide

Even when stored separately from device it is important to follow industry standard guidelines. When batteries are 
stored over a year, battery cell manufacturers advise that some irreversible deterioration in overall battery quality 
may occur. To minimize this loss, they recommend storing batteries half charged in a dry, cool place between 41° 
and 77°F (5° and 25°C), the cooler the better. Batteries should be charged to half capacity at least once a year. In 
order to charge a battery to half capacity, take a fully discharged battery and charge it for two hours. If an 
electrolyte leakage is observed, avoid any contact with the affected area and properly dispose of the battery.

Although the cradles are water and dust resistant, do not expose them to rain or moisture for an extended 
period of time. In general, treat the cradles as you would a pocket calculator or other electronic instrument.

Do not drop the cradles or subject them to strong impact.

Protect the cradles from temperature extremes. Do not leave them in a car on a hot day, and keep them 
away from heat sources.

Do not store or use the cradles in any location that is extremely dusty, damp, or wet.

Use a soft cloth dampened with a 50/50 solution of isopropyl alcohol and water.

Do not allow the solution to form a pool of liquid anywhere in the cradle.

Do not use a large amount of solution to cause the cradles to remain wet.