DTP CrossPoint 4K Series Matrix Switchers • Matrix Software 117
NOTE: For digital volume controls only, the Output Signal Source selection (
6
,
below) affects the remaining controls in the block. If Original or No Audio is selected,
all other controls in the block become unavailable for selection.
Click and drag the desired fader (
1
) or click in the dB field (
2
) and enter a value. The
meter value displayed in green shows the signal level in dBFS.
3
Polarity buttons —Click to flip the polarity of the wires connected to the audio
connectors (+/tip and -/ring) to easily correct for miswired connectors and digital
inputs.
4
Gang button — Click to tie the left and right fader controls together.
Ganged faders move together at relative levels to the top or bottom of their
travel. If one fader reaches the limit of its travel first, it retains that position
while the other fader continues to travel. When the ganged faders travel in the reverse
direction, the fader that was at its limit reverts to its position relative to the other fader.
5
Mute buttons — Click to separately silence and unmute the left and
right (or just mono for MA model) audio channels. If you mute both
channels, audio is completely silent on that input. When one or both channels are
muted, one or two red indicators in the block turn on.
6
Output Signal Source drop-down menu — Use this control to
select the audio source:
• Original — Audio embedded in the original digital (HDMI or
DTP) input passes through the matrix switcher without being
de-embedded and processed within the DSP. All other controls in the digital volume
control become unavailable for selection, because audio is not processed within
this block.
• From DSP — Audio is processed within the DSP.
• No Audio — Audio is muted (but no indication of the muting is shown other than
the selection in this box). All other controls in the digital volume control become
unavailable for selection, because audio is not processed within this block.
TIP: If the Output Signal Source is set to Original, the digital audio
embedded in the digital (HDMI or DTP) signal continues to be routed as part of
the digital signal and is output with the video, even for audio breakaway ties.
For video-only ties, select No Audio to prevent embedded audio from being
routed with the video signal.
Switcher-to-virtual-send-bus mixer block (see figure 53 on page 97,
L
)
Mic-to-virtual-send-bus mixer block (
M
)
Virtual returns-to-virtual-send-bus mixer block (
N
)
Expansion inputs-to-virtual-send-bus mixer block (
O
)
These four mixer blocks (see figure 61 on the next page) are an array of points where the
switcher output, the mic, the virtual bus, and the expansion bus audio can be further mixed
and routed for additional processing. The block provides a way to unmute and mute the
inputs. The mix-points are muted by default. Unmuting effectively mixes the inputs into the
audio outputs at the level set in the mix controls.
The functions and indications of the mix-points and the dialog boxes are as described for
the Mic-to-output mixer block on pages 114 and 115
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