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There are several ways to connect your sf51 and your PC. If you have your own application, you should use a serial connection. If you paired the SF51 with an incoming connection on the PC, the scanner will be online, when you open the COM port.
If you don't own the source of the target application(s), you have to use a solution, that translates the barcodes scanned into keystrokes. You can also use the SF51 HID profile.
As soon as a connection is created from the host (your PC), the host is responsible for reconnecting the device, if it has gone offline or leaved the range of the BT waves. This is true for MS HID and outgoing serial connections. If the client (the SF51) initiates the connection, it will automatically reconnect.
If you use third party tools, like Keyport Lite or Keyport BT, these are responsible for reconnecting the SF51. These tools offer some options for auto reconnect. See there documentation for details.
To pair a SF51 with your PC, you should follow these steps:
If you connected your SF51 as described in "Pairing from SF51 as client with SPP", you can use the WinXP Accessibility options to connect the incoming COM port opened by the SF51 as keyboard wedge.
Click Start-Settings-Control Panel and select the Accessibility applet
In the Input Help dialog on the General tab activate the option for external input help and click [Settings]
In the dialog "Settings for SerialKeys ..." select the com port, that is connected to your SF51.
The com port can be seen in BT devices dialog.
If the SF51 is not connected to one of the ports COM1 to COM4, you have to cleanup the COM port usage.
Click [OK] to close and confirm all dialogs. If you now scan, the barcode's text is sent as keystrokes to the active window. This also works with DOS windows.
Windows will not free unsused COM ports if they have been used in the past with BT devices. The accessibility external input options only allow com1 to com4. To cleanup com ports not in used, open the device manager and then expand the serial and parallel connectors tree.
Select the serial BT port(s) not in use and delete them except for the last!
Right click this last BT serial entry and select properties
In the properties window select the connections setting dialog
Now click [Advanced...]
Now select one after one with '(in use)' except for the ones built in your computer (if any, maybe COM1 and/or COM2) and click OK and confirm the warning dialogs.
After all, only the hardware com ports should be listed as (in use).
First scan "adminstrator reset factory default" and "Bluetooth parameters - profile for communication - HID keyboard" barcodes created with EasySet either on screnn (LCD or TFT) or from a printed config sheet.
Then right click on MS BT symbol in lower right corner of your WinXP taskbar. Then Select "Add Bluetooth device". Or open the dialog BT devices and click [Add...].
Your SF51 should not be listed there as here, where it is already installed.
Confirm the check box saying "the device is configured and ready to be recognized" and click [Next].
In the next window the devices near your PC are searched and will be listed.
Your SF51 should be recognized and listed as here. Select it and then click [next].
With the admin reset, the sf51 uses security and a PIN of '0000'. Please check option "Let me choose my own passkey" and enter the PIN '0000'. Click [Next] to advance. The wizard will perform the installation and device manager installs the new device.
Now click [Finish] and you are done.
Every barcode you scan with your sf51 from now on will be send as keystrokes followed by a return to the active WinXP window. This also works with DOS windows:
A Disadvantage of the HID profile is, that it does not support automatic reconnect, due to security concerns of MS.
last update: 5. July 2007