Manual for BL-819, BL-830, BL-875
V6.1
© Copyright Brainboxes Ltd Page 24 of 40
Failure to enter “PROCEED” correctly will cause the
menu option to abort and you will be able to
continue navigating the menu in the normal fashion.
In some (but not all) instances you will see some
“odd” characters displayed as shown above. This is
normal behaviour and indicates the product is ready
to receive its firmware upgrade commands from the
supporting software.
At this point, you will no longer be able to interact with the menu, nor will you be able to use the product as advertised. ONLY
the supporting software can restore this setting. Neither a power reset nor any combination of presses of the reset button
will restore normal operation to the product. It is now permanently in a state to upgrade the firmware.
IMPORTANT, in order for the upgrade application to connect to your product and perform the upgrade, you must ensure you
disconnect your terminal application from the COM port. In PuTTY, this is done by closing the application down.
Now run the “upgrade” application documented in section 7 (page 27) below for upgrading.
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