ZyXEL Communications V660 - Manual (Page 28)

Chapter 1 Overview
V660 User’s Guide
28
1.2.4.2 Charging the Battery
The phone contains a rechargeable lithium (Li-ion) battery. The phone is designed to use only
manufacturer-specified chargers and batteries.
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When the battery is nearly empty, the V660 displays a warning notice and an
empty battery icon. Charge the battery immediately. Otherwise, the V660 will
shut down and any unsaved information lost.
• Carefully plug the charger’s connector into the V660’s USB port.
• Connect the charger’s power plug to an appropriate power source. Turn the power on.
• If the V660 is switched off, the screen shows a charging battery icon, then goes blank. If
the V660 is switched on, a battery charging icon appears in the status bar. The Operation
LED comes on.
• Before you first use the V660, please charge the battery by using the accessory charger.
The charging time takes 8 to 10 hours. A new battery reaches its best performance after
two or three full charge/discharge cycles.
• When charging is complete, disconnect the charger from the phone.
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When you first use theV660, charge the battery to its full capacity using the
charger and NOT the USB data cable. This may take up to ten hours.
Due to the lower voltage supplied from a computer’s USB port, the USB data
cable cannot fully charge the V660. Use the charger instead whenever
possible. Always using the USB data cable can affect the battery’s longevity.
1.2.5 Power On or Off
Press the End/Power key for several seconds to turn the V660 on or off.
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When you turn the V660 on for the first time, it prompts you to enter basic
configuration information - date and time, time zone, phone password, e-mail
account information, and so on.
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If there is no SIM card installed when you turn the V660 on, it displays a
warning. Press the left softkey (Done) to continue to the Home screen.