ActionTec SBT100U User Manual page 25

4. The Receiver's firmware update is performed first. Do not power off
the Receiver during the update.
5. The firmware is downloaded and transferred to the Receiver. Do not
power off the Receiver or remove the Transmitter during this
transfer.
6. Once the firmware transfer is complete, the Receiver reboots. If there
are more updates available for the ScreenBeam Wireless Display
application, click Next.
ScreenBeam USB Transmitter
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