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Disabling the Stowaway Sierra Keyboard
When the Stowaway Sierra keyboard is no longer needed, the keyboard
driver may be disabled by tapping the Disable button on the BT or Config
page. The Connection is not set up message will then be displayed on the
BT page.
NOTE: Disabling the keyboard will break the bond between the keyboard
and the mobile device.
NOTE: Disabling the Stowaway Sierra keyboard will not automatically turn
off the Bluetooth radio. Conversely, turning the Bluetooth radio off while the
Stowaway Sierra keyboard driver is still enabled will not work. Because of
the behavior of the Bluetooth stack, the Bluetooth radio will automatically
turn back on after a few seconds. To turn the radio off, the Stowaway Sierra
keyboard must be disabled first.
To re-enable the connection, tap the Connect button on the BT page or tap
Enable on the Config page. See Configuring the Keyboard to Your Device
for complete instructions.
Secure Connection Overview
When a secure connection is established, the paired devices share a
permanent security bond. This bond is established when two devices create
and exchange a Link Key, this process is also known as pairing. Link Keys
are based on a unique Bluetooth Device Address, an internally generated
random number and a user defined Passkey.
With a Bluetooth connection, transmissions may be intercepted. In order to
limit this exposure, a secure connection should be set up. This encrypts data
sent from the keyboard to the mobile device, creating a virtual cable. This
means that there is a 1:1 relationship between the mobile device and the
keyboard and it will not respond to connection requests from other devices.
The mobile device on the other hand will retain the ability to create new
pairings with other devices.
The mobile device searches the Bluetooth radio band until it finds the
keyboard. If the Secure box is checked it will prompt for a Passkey. Once
completed, each time the mobile device and keyboard are powered on within
range of each other, the devices will be reconnected with a key press.
Stowaway Sierra Owner’s Manual for Windows Mobile
Page 18