Select the COM port to which you have connected your product. (Remember to close the Configuration Utility or Hyperterminal application if you still have either open)

Then Click “Next”.

Point the upgrade wizard to the upgrade file you wish to use.

These upgrade files all have the extension .dfu and the latest version is available from the Brainboxes website.

Confirm you have made the correct selections by clicking “Next” to start the upgrade procedure.

Manual for BL-521 5_3.doc

© Copyright Brainboxes Limited 2004

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Brainboxes RS232 manual Manual for BL-521 53.doc Copyright Brainboxes Limited