Operating Instructions

Protecting your data
• To prevent accidental loss of data, we recommend that you regularly back up any important data that
you store in the product, SIM card, and SD card.
• To prevent the unintended disclosure of private information, always confirm the destination before
sending messages, file attachments, or any other communications, such as email.
• The internal storage of the product is encrypted automatically. microSD cards (external storage) are not
encrypted.
• Before disposing of the product or handing the product over to a third party, remove the SIM card, SD
card, and any other accessories.
• Before disposing of the product or handing the product over to a third party, perform a factory data reset
(page 61) to erase any data stored in the product.
• Before using Wi-Fi or Bluetooth
®
features, take appropriate action to secure your data.
Drip-proof/dustproof
• The product is drip-proof/dustproof when the DC input jack cover, USB port cover, and headset jack
cover are closed, and the batteries are attached. Therefore, keep water and dust away from product’s
internal components, accessories, and optional products.
• To prevent liquids, sand, dust, or any foreign objects from entering the product, always keep the covers
and batteries clean and make sure to firmly close the covers after opening. Take care not to get anything
caught between the covers or between the batteries and the product.
• Do not use the product if the gasket of the DC input jack cover, USB port cover, or the batteries are
damaged, deformed, or peeled off.
• If the product is exposed to water droplets, wipe them off with a dry, soft cloth and dry thoroughly.
• Do not leave any water droplets on the product. Water droplets may cause the DC input jack, USB port
or headset jack to short circuit, or create smears on the screen.
• If the product is wet, wipe off the moisture before connecting with peripheral devices.
• Do not dry the product with an appliance or heat source such as a microwave oven or dryer.
• Use the charger (included/optional) while dry and do not use it in places with water such as bathrooms
because it is not drip-proof/dustproof.
Maintenance
• When cleaning the product, make sure to turn it off.
• When cleaning the product, wipe it with a soft, dry cloth. An alcohol-based disinfectant may be used if
necessary.
– If the product is particularly dirty, thoroughly wring a cloth soaked in water, wipe off the dirt, and then
wipe with a dry cloth.
– Do not clean the product with solvents such as benzene, thinner, or strong alkaline detergent because
they may affect the surface of the product.
Battery
• The battery is a consumable item. Depending on the usage conditions, it may swell as it reaches the
end of its life. When the typical battery life of approximately one year or about 500 charge cycles is
exceeded, the battery deteriorates. If the battery begins to swell, or the amount of time it can be used
after a full charge becomes dramatically shorter, the battery should be replaced with a new one. Contact
your technical support representative.
• Do not touch the terminals of the battery. Failure to observe this may cause poor contact.
• When the battery is left installed in the product, it discharges electricity gradually in small amounts even
if the product’s power is off. If left for a long period (several months or more), the battery will over
discharge and its performance may deteriorate.
• Store the battery in environments with an ambient temperature of -20 °C to 35 °C (-4 °F to 95 °F). If the
battery is stored in other environments, battery performance and battery life may be reduced.
6 Operating Instructions - Reference Manual
Introduction