UMX-OPT-TX150R
User’s Manual
Section 6. Operation of UMX-OPT-TX150R Page 39 / 107
6.7.5. Priority detect –Embedded, Analog audio 2
After the video Autoselect the device checks the embedded audio input. (DVI-D
embedded audio input to the DVI-D video input or HDMI embedded audio input to the
HDMI video input) If there is a valid embedded audio signal it will be selected. If there is
no valid embedded audio signal the device selects the analog audio 2 input, even if there
is no audio signal on this input. Any audio event occurs a new searching from the
embedded input port. The selected audio input will be active until a new result of video
Autoselect, an audio event or the device exits from the Autoselect mode.
Figure 6-14. Priority (E -A2) audio selection flowchart
6.7.6. Priority detect – S/PDIF, Analog audio 2
After the video Autoselect the device checks the S/PDIF audio input. If there is a valid
S/PDIF audio signal on the S/PDIF audio input it will be selected. If there is no valid audio
signal on the S/PDIF audio input port the device checks the embedded audio input (DVI-
D embedded audio input to the DVI-D video input or HDMI embedded audio input to the
HDMI video input). If there is a valid embedded audio signal it will be selected. If there is
no valid embedded audio signal on the embedded input port the device selects the
analog audio 2 input, even if there is no audio signal on this input. Any audio event
occurs a new searching from the S/PDIF input port. The selected audio input will be
active until a new result of video Autoselect, an audio event or the device exits from the
Autoselect mode.
Figure 6-15. Priority (S -A2) audio selection flowchart
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