Acer AT310 F1 - Manual (Page 168)

Appendix C Acer Smart Console 150
Updating the SDR file
1 On the Maintenance Options page, click SDR Update.
2 Click Enter Update Mode. The SDR Upload page appears.
Note: You will not be able to perform any tasks until the upgrade
is completed and the device is rebooted.
3 Click Browse to locate the SDR image file.
4 Click Upload SDR to upload the image file to the server.