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Operating Environment
z
Do not use or charge the device in dusty, damp or dirty places or places
with magnetic fields. Otherwise, the circuit may not function properly.
z
The device complies with the RF specifications when the device is used
near your ear or at a distance of 1.5 cm from your body. Ensure that the
device accessories such as a device case and a device holster are not
composed of metal components. Keep your device 1.5 cm away from
your body to meet the requirement earlier mentioned.
z
On a thunder and stormy day, do not use your device when it is being
charged, to prevent any danger caused by lightning.
z
When you are on a call, do not touch the antenna. Touching the antenna
affects the call quality and results in increase in power consumption. As
a result, the talk time and standby time are reduced.
z
While using the device, observe the local laws and regulations, and
respect others' privacy and legal rights.
z
Use accessories authorized by manufacturers. Using unauthorized
accessories will render the warranty null and void.
z
Keep the ambient temperature between 0
and
℃
45
while the
℃
device is
being charged. Keep the ambient temperature between 0
to
℃
55
for
℃
using the device powered by battery.
Preventing Hearing Damage
Using the receiver, earbuds, headphones, speakerphone, or earpieces at
high volume can result in permanent hearing loss. Be extremely careful
when listening at high decibel levels. Set the volume to a safe level. If you
experience strange sounds in your ears like ringing or if you hear muffled
speech, get your hearing checked. If you continue to use high volume, your
hearing will soon get affected.
Hearing experts offer the following suggestions to protect your hearing:
z
Reduce the time you use the receiver, earbuds, headphones,
