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9
Wireless PAN Communication with Bluetooth
Bluetooth Radio
The on-board Bluetooth radio is enabled by default at startup and operates within the 2.4 GHz–2.48 GHz band. Bluetooth
transmissions hop between 79 separate frequencies 1,600 times every second, and with a communication range of about 10
meters (class II).
BTExplorer
BTExplorer discovers Bluetooth devices in the vicinity and presents them in an easy-to-understand format similar to Windows
Explorer. BTExplorer visually separates trusted (paired) and untrusted remote devices and identifies friendly names and services
of remote devices. Custom icons indicate the device class (type) as well as available services.
The services supported by the local device include
•
OBEX
•
File transfer
•
OBEX object push
•
Dial-up networking
•
FAX
•
LAN access
•
Serial port communication
Pairing, security, and encryption settings can be configured for the local device. In addition to the configuration options available,
any of the supported services may be added to or removed from the local device.
Enabling the Bluetooth Radio
The Bluetooth radio must be enabled in order to connect to other devices.
By default, the 802.11b radio is enabled after each hard reset. Therefore, you must enable the Bluetooth radio in the
Manager
(see page 7-13). Tap Start > Settings > Connections tab > Radio Manager and select Bluetooth Only or 802.11b/
Bluetooth and OK.
Accessing BTExplorer
When the radio is enabled, the Bluetooth icon appear in the command bar of the Today screen
popup menu and select Show BTExplorer.
Dolphin® 7850 Series User's Guide–
Preliminary
Rev (b)
5/15/2007
Radio
. Tap this icon to access the
9 - 1
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