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3.2 BT software requirements
● upgrading file
● USB to serial port
● service computer
--- Connect the set to the PC via the "USB to serial port" cable.
3.2.1 Procedure of upgrading software.
"OPEN COM", Open the upgrade file with the SPTestTool tool and configure it accordingly
The "USB to serial port" is connected to the computer and the other end is connected to the HORIZON2. press and hold 'BT'
'scan' button 10 seconds.,after update the result will display PASSED,if not ,the result will display FAILED
8
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