IN1806 and IN1808 Series Scaling Presentation Switchers • Operation 39
• Audio Mute — Select this item to mute and unmute the output audio. You can make
the following audio mute selections:
• Off — Audio output is not muted (default).
• On — Mutes both the analog and the embedded digital audio outputs.
• INn: Audio Format — Select this item to choose the audio format for the selected
input. The first item on the Audio menu shows the selected format of the audio.
NOTES:
• For the twisted pair inputs in DTP mode, the analog audio is taken from the
analog audio connector on the DTP Tx.
• For the TP inputs in XTP mode, the analog and Auto formats are not available.
Audio Format
Selection
Source Details
None
None All audio outputs are muted.
Analog Audio
Analog Utilizes analog Aux input for inputs 1 through 6.
Utilizes DTP Tx analog input for inputs 7 and 8
(IN1808 Series only).
Sets the selected input to analog.
LPCM-2Ch
Embedded digital. Sets 2Ch EDID.
If LPCM-2Ch audio is present on the input, it is
passed to DSP for availability on all analog and
digital audio outputs. For 3- or more channel
LPCM (such as Dolby or DTS), the signals
bypass DSP and are re-embedded in the digital
video outputs.
Multi-Ch
Embedded digital. Sets Multi-Ch EDID.
If LPCM-2Ch audio is present on the input, it is
passed to DSP for availability on all analog and
digital audio outputs. For 3- or more channel
LPCM (such as Dolby or DTS), the signals
bypass DSP and are re-embedded in the digital
video outputs.
LPCM-2Ch Auto*
(Default)
Embedded digital
when present,
otherwise uses the Aux
5-pole captive screw
input (inputs 1-6) or the
5-pole captive screw
input of the connected
DTP Tx (inputs 7-8).
Sets 2Ch EDID.
Defaults to analog audio if digital audio is not
detected on the digital video input, or if no
digital video input signal is present. If digital
audio is detected, LPCM-2Ch signals are
passed to DSP. If 3- or more channel LPCM
is detected the signals bypass DSP and are
re-embedded into the digital video outputs.
Multi-Ch Auto*
Embedded digital
when present,
otherwise uses the Aux
5-pole captive screw
input (inputs 1-6) or the
5-pole captive screw
input of the connected
DTP Tx (inputs 7-8).
Sets Multi-Ch EDID.
Defaults to analog audio if digital audio is not
detected on the digital video input, or if no
digital video input signal is present. If digital
audio is detected, LPCM-2Ch signals are
passed to DSP. If 3- or more channel LPCM
is detected the signals bypass DSP and are
re-embedded into the digital video outputs.
*These Auto modes are useful when it is not known whether a source will provide
embedded digital or analog audio (such as a podium laptop connection).
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