User's Manual

Chapter 1 Before Using 13
2. Plug the other end into a standard outlet.
3. To remove the Wall Charger, squeeze the
adapter’s side buttons (1) and pull the charger from
the device (2).
y When you charge the battery with the handset
powered off you will see a charging status
screen. After the charging has completed, the Charge
Complete message appears. You cannot operate the
phone until it is powered on.
y The battery is not fully charged at the time of purchase.
Fully charge the battery before use.
y It is more efficient to charge the battery with the
handset powered off.
y Battery operating time gradually decreases over time.
y If the battery fails to perform normally, you may need
to replace the battery.
BATTERY HANDLING INFORMATION
DO’S
y Only use the battery and charger approved for
use with the TXT8040.
y Only use the battery for its original purpose.
y 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.
y Store the discharged battery in a cool, dark, and
dry place.
y Purchase a new battery when its operating time
gradually decreases after fully charging.
y Properly dispose of the battery according to local
laws.
DON’TS
y Don’t attempt to disassemble the battery – it is a
sealed unit with no serviceable parts.
y Don’t accidentally short circuit the battery by
carrying it in your pocket or purse with other
metallic objects such as coins, clips and pens.
This may critically damage the battery.
y Don’t leave the battery in extremely hot or cold
temperatures. Otherwise, it could significantly
reduce the capacity and lifetime of the battery.
y Don’t dispose of the battery by placing into a fire.