Epson WALITA RI4409 - Manual (Page 3)

When you see the firmware update screen (see reference image below), release the
OK and
keys. Note: If you do not see this screen, power off the unit and start the
firmware process again.
During the update process, the message screen will display the current firmware and
updated firmware versions. Then the message “Updating Resources” will appear.
Important: Do not remove the battery or disconnect the AC adapter during the
firmware update process.
6. The firmware update process is completed when you see this screen (reference image
below).
7. Power off the unit and remove the CompactFlash or SD memory card.
8. Power on the viewer and verify the new firmware version. It should say 01.33.01.00.
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PSB.2010.08.001