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CLIENT APPLICATIONS
About Client and Server
Before we start discussing about what each of the services does, let us briefly tell you a bit about
Client and Server since we will be mentioning a lot of these two in this chapter.
In order for two Bluetooth devices to exchange data, they must establish a connection. However,
before a connection is established, one device must request a connection with the other. This is
the Client.
The second device that accepts or rejects the connection is then known as the Server. Many
Bluetooth devices can act as both client and server.
Human Interface Device
The Human Interface Device (HID) Application allows this computer to wireless use one or more
remote Bluetooth HIDs as input/output devices.
For example, the HID Application allows this computer to use a Bluetooth keyboard and a
Bluetooth mouse.
Create a Bluetooth HID connection:
Note: Some HIDs have multiple modes. Before establishing a connection, be sure the HID is in
the desired mode. For example, in the case of an HID that can function as both mouse and a
laser printer, be sure the mode switch is set to “Mouse” before attempting to connect.
1. On the Client, open My Bluetooth Places by double-clicking the icon on your
desktop.
2. Select Enter Bluetooth Neighborhood.
3. Right-click anywhere except on a device name and select Refresh from the pop-
up menu to see an updated list.
4. Double-click HID devices, such as Keyboard or Mouse to make connection.
5.
Once an HID connection is established, that connection will persist. If the computer is
shut down, when the computer is turned on again the connection will re-establish
automatically.
Note: HIDs usually have a button, which is sometimes difficult to find, that must be pressed
before other Bluetooth devices can locate the HID. Even after the button is pressed, the HID can
only be discovered for a limited time, and then the button must be pressed again. The time period
can be as short as 30 seconds or as long as 180 seconds. Read the document that accompanies
the HID before you attempt to connect to the devices.
Close an HID connection:
Under normal circumstances, there is no reason to close an HID connection; once established
the connection is maintained automatically, even during the power off and power on processes.
If, for some reason, the connection must be closed: from My Bluetooth Places, right-click the
service name and select Disconnect.
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