Using The Usb Interface - Gefen EXT-HD-SL-444 User Manual

Appendix
IMPORTANT: DO NOT power-off or disconnect the AC power cord
from the matrix, at any time, during the firmware upgrade process.
1. Download the firmware update from the Support section of the Gefen Web site.
2. Power-ON the 4x4 Seamless Matrix for HDMI.
3. Connect a USB cable between the computer and the 4x4 Seamless Matrix for HDMI.
It is unnecessary to disconnect any cables or extenders from the HD Video Wall
Controller during the update process.
4. Once the computer is able to connect to the 4x4 Seamless Matrix for HDMI,
a removable-disk icon will be displayed under My Computer.
5. Extract the firmware file from the .ZIP file and drag the .bin file to the Removable Disk.
6. Disconnect the USB cable from the computer.
7. After the 4x4 Seamless Matrix for HDMI has been updated, the unit will automatically
reboot.
8. After the 4x4 Seamless Matrix for HDMI reboots, the firmware upgrade process will be
complete.

Using the USB Interface

page | 141
Upgrading the Firmware