Serial Communication, cont’d
7. Click OK. The firmware selection screen appears.
8. Click Browse to open the Choose Firmware File window, and locate the firmware file that you downloaded. (By default, the firmware file is placed at c:\Program Files\ Extron\Firmware when downloaded from the Extron site.)
CThe firmware file must have a .s19 extension. Uploading any other file type could cause the switcher to stop functioning.
