Add iT20 Firmware File
To upgrade a firmware for all iT20 terminals, go to Communication - Terminal Manager and click 
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Add iT20 firmware file command from Terminal Manager window in Astrow Web
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The upload page opens:
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Upload firmware window for iT20 terminals in Terminal Manager in Astrow Web
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Browse file you need to upload and click Ok. The firmware will be updated for all iT20 terminals when connected.
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Uploading the firmware file in Terminal Manager in Astrow Web
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