Gefen EXT-HDMI-844 - Manual (Page 9)

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How to Connect the 8x4 Matrix for HDMI
1. Connect up to 8 HDMI source devices to the 8x4 Matrix for HDMI using the
included HDMI cables.
NOTE: Please be aware that each input has two available HDMI ports and that
only one will be active at any given time. It is recommended that commonly used
HDMI sources be put on separate inputs (i.e. 1A and 2A, not 1A and 1B) so that
these devices are always available.
2. Connect up to 4 HDMI capable devices (i.e. displays) to the 8x4 Matrix for
HDMI using user supplied HDMI cables.
3. Connect the included 24V DC power supply between the power input on the
unit and an open wall power socket.
4. Power on all output devices fi rst and the source devices second.
How to Operate the 8x4 Matrix for HDMI
The 8x4 Matrix for HDMI can be controlled by either the included RMT16-IR
remote control or the RS-232 serial communications port.
For RMT-16IR remote control functions please see page 8.
For RS-232 serial communication functions please see page 12.
CONNECTING AND OPERATING THE 8X4 MATRIX FOR HDMI