Service manual

7. Please check the entity connection and execute Gprobe 4 again once Debug Mode did not show up
ISP Program execution：Input BATCH ( update of BIOS Rev) .TXT
※ If failed, Please don’t turn off power. Repeat do it again, from step 6 to step 7.
8. When everything is done. Please turn off the power and restart it again.
Check Factory Mode and make sure it already be updated.
Key “BIOS Rev.”
which you want here.
This is the “BIOS
update total
spending time”.
17E1HG3004
38
ViewSonic Corporation Confidential
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Do Not Copy VA712-1_VA712b-1