This video introduces the GRACE banknote value counters and sorters GBS3500 Main Board Upgrade function,
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(1) Put the folder within update file "*** .bin " in to SD card;
(2) Turn off the machine;
(3) Put the SD card inside machine;
(4) Turn on the machine power, you will see below;
(5) Press key ”down” to find the update file;
(6) Press key ”Click to input code:1200" -> input '1200'
(7) When it shows "success", done
(8) Turn off the machine, and take out the SD card.
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