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* Watts 247 Instructions
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1. Unzip file
2. Open folder and edit SN.txt with text editor
3. The first line contains "14xxxxxxxxxxxxxx000000" where the x's will be replaced with your serial number
4. save file and open the Axpert exe file
5. connect your inverter to your computer
6. power on inverter
7. select RS232 or USB in the software depending on your connection
8. click "search" to read the current serial number
9. click "apply" to write your chosen serial number from SN.txt
10. After a few seconds the software may say it has failed, but click "search" again to verfiy that your serial number has changed
11. done