ViewSonic VLCDS25973-2W Service Manual page 34

5.7.5 Firmware Upgrade Procedure
1. Save the three files, "VS5321.txt," "isp.hex," and "VS5321_DMT034_VP191.hex" in "d:\flash" folder.
Open "5321.txt" and make sure the path after RAMWrite and fastFlashWrite is the location where you
saved the three files.
2. Turn on the power switch of VP191. Then, double click "Gprobe 5" icon, and then press
"connection setup" button as the below red circle shows.
Confidential - Do Not Copy
ViewSonic Corporation VP191b/s-1/-2
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