Pantech 78 Manuale Utente

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4.   To remove the wall charger, unplug the USB 

cable from the phone’s Charging/Data Port.

   •   When you charge the battery with the handset 

powered off, you will see a charging status 

screen. After charging is completed, the Charge 

Complete message appears and you cannot 

operate the phone until it is powered on. To turn 

your phone on, press and hold the END/PWR key 

H

 until your display turns on.

•   The battery may not be fully charged at the time of purchase. Fully charge the 

battery before using.

•   It is more efficient to charge the battery with the handset powered off.

•   Battery operating time gradually decreases over time.

•   If the battery fails to perform normally, you may need to replace the battery.

   Do not install the battery in humid places, like a bathroom, or places where water or liquid can come 

into contact with the handset or battery. Otherwise, the electrical circuits may short or erode and cause 

the handset to malfunction.

•   Only use the battery and charger approved for use with the 

C781R3

. Using any charger other than the one 

included with the phone may damage your phone or battery.

•   Only use the battery for the system for which it is specified. 

•   Only use or replace the battery with a charging system or another battery that has been qualified with the 

system per this standard, IEEE-Std-1725-2006. Use of an unqualified battery or charger may present a risk of 

fire, explosion, leakage, or other hazard. 

•   Only use the battery for its original purpose. As an improper battery use may result in a fire, explosion or 

other hazard.

•   Try to keep batteries in a temperature between 41°F (5°C) and 95°F (35°C). If the battery is stored in 

temperatures above or below the recommended range, give it time to warm up or cool down before using.

•   Store the discharged battery in a cool, dark, and dry place.

•   Purchase a new battery when its operating time gradually decreases after fully charging.