AVT 200HD Tuner • Remote Configuration and Control 72
5. Double-click on <double click to set> in the New Firmware File column, or select New
Firmware for Selected Devices from the File menu.
Figure 43. Extron Firmware Loader Window for AVT 200HD
Figure 44. Choose Firmware File Window
6. In the Choose Firmware File window, navigate to and select the new firmware file,
which has a .s19 extension. Click Open. The Choose Firmware File window closes.
CAUTION: Valid firmware files must have the file extension “.S19.” Any other file
extension is not a firmware upgrade, and could cause the AVT to stop
functioning.
NOTE: The original factory-installed firmware is permanently available on the
AVT 200HD. If the attempted firmware upload fails for any reason, the
tuner reverts to the factory-installed firmware.
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