NewTek TriCaster 8000 - Manual (Page 152)

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We mentioned previously, as well, that clicking the Mix Effects label (Figure 115)
between the Monitor and Switcher sections toggles display of the M/E pane.
FIGURE 115
Hint: The keyboard shortcut to show/hide the M/E tab is “m”.
A number of further workflow and interface options that can be very valuable are
found in the TriCaster Options menu, discussed shortly (Section 7.1).