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Chapter 7
Bluetooth connection
Bluetooth is a short-range wireless communications technology. Devices
with Bluetooth capabilities can exchange information over a distance of
about 10 meters (30 feet) without requiring a physical connection.
Unlike infrared, you don’t need to line up the devices to beam information
with Bluetooth. The devices only need to be within a range of about 10
meters. You can even beam information to a device in a different room, as
long as it’s within range.
Microsoft Pocket PC 2003 software allows you to use Bluetooth in the
following ways:
• Beam information, such as files, appointments, tasks, and contact
cards, between devices that have Bluetooth capabilities. For
example, if you and a co-worker each have a device with Bluetooth,
you can beam items between your devices, such as files, contact
cards, appointments, tasks, and so forth.
• Create a dial-up modem connection between your device and a
Bluetooth phone. You can then use the Bluetooth phone as a
modem.
Your device might include additional Bluetooth features. For more
information, see the documentation included with your device.
Bluetooth modes
Bluetooth operates in three different modes:
• On. The Bluetooth radio is turned on and you can use Bluetooth
features.
• Off. The Bluetooth radio is turned off. In this mode, you can neither send
nor receive information by using Bluetooth. You might want to turn the
radio off at times in order to conserve battery power, or in situations
where radio use is prohibited, such as on airplanes and in hospitals.
• Discoverable. The Bluetooth radio is turned on, and all of the other
Bluetooth devices within range (about 10 meters) can detect your device
and attempt to beam information to it, establish a bond, or use a
Bluetooth service. In this mode, other devices can detect your device
whether or not a bond has been created; however, in order to receive a
beam from another device, you must accept it on your device, as
described in Receiving a Bluetooth Beam.