User's Manual

Safety and regulatory guide 5
Safety precautions for direct sunlight
Keep this product away from excessive moisture and extreme
temperatures. Do not leave the product inside a vehicle or in
places where the temperature may exceed 60 ° C (140 ° F), such as
on a car dashboard, window sill, or behind a glass that is exposed
to direct sunlight or strong ultraviolet light for extended periods of
time. This may damage the product, overheat the battery, or pose
a risk to the vehicle.
Prevention of hearing loss
CAUTION : Permanent hearing loss may occur
if earphones or headphones are used at high
volume for prolonged periods of time.
NOTE : For France, Earphone (listed below) for this device have
been tested to comply with the Sound Pressure Level requirement
laid down in the applicable NF EN 50332-1:2000 and/or NF EN
50332-2:2003 standards as required by French Article L. 5232-1.
 Earphone, manufactured by HTC, Model HS S250.
Safety in aircraft
Due to the possible interference caused by this product to an
aircraft’s navigation system and its communications network,
using this device’s phone function on board an airplane is against
the law in most countries. If you want to use this device when on
board an aircraft, remember to turn off your phone by switching to
Airplane Mode.
Environment restrictions
Do not use this product in gas stations, fuel depots, chemical
plants or where blasting operations are in progress, or in
potentially explosive atmospheres such as fuelling areas, fuel
storehouses, below deck on boats, chemical plants, fuel or
chemical transfer or storage facilities, and areas where the air
contains chemicals or particles, such as grain, dust, or metal
powders. Please be aware that sparks in such areas could cause an
explosion or fire resulting in bodily injury or even death.
Explosive atmospheres
When in any area with a potentially explosive atmosphere or
where flammable materials exist, the product should be turned off
and the user should obey all signs and instructions. Sparks in such