Nokia 2730 classic - Manuel (Page 7)

Antenna
Your device may have internal and external antennas. Avoid touching the antenna area
unnecessarily while the antenna is transmitting or receiving. Contact with antennas
affects the communication quality and may cause a higher power level during operation
and may reduce the battery life.
The figure shows the antenna area marked in grey.
Headset
Warning:
When you use the headset, your ability to hear outside sounds may be affected. Do not
use the headset where it can endanger your safety.
When connecting any external device or any headset, other than those approved by
Nokia for use with this device, to the Nokia AV Connector, pay special attention to volume
levels.
Do not connect products that create an output signal as this may cause damage to the
device. Do not connect any voltage source to the Nokia AV Connector.
Magnets and magnetic fields
Keep your device away from magnets or magnetic fields.
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