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.
Some headsets come in two parts, a remote control unit and headphones. A remote control unit, for example, the Nokia Audio Controller
If a headset does not include a microphone, for handsfree phone calls, use such a headset with a compatible remote control unit or the microphone of the device.
When using certain headset enhancements, to adjust the volume during a call, use the volume key in the device. Some headset enhancements have multimedia volume controls that are used to adjust the volume only for music or video playback.
You can also connect
another compatible headset, compatible
headphones, or a
compatible
(3.5 mm) of your device.
You may need to select the cable mode.
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.
When connecting any external device or headset to the Nokia AV Connector (other than those approved by Nokia for this use), pay attention to volume levels.
Positioning (GPS)
The Global Positioning System (GPS) is a worldwide radio navigation system that includes 24 satellites and their ground stations that monitor the operation of the satellites. Your device has an internal GPS receiver.
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