NewTek TriCaster 8000 - Manual (Page 437)

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MIDI can be useful in many, many ways Too, a wide variety of MIDI software and
extensions are available for other devices. These can be used to create unique
custom TriCaster control alternatives. For example, the mockups below depict
custom iPad
® interfaces (created using third-party iOS ® apps) providing wireless
control over TriCaster’s Publish features (Figure 391) and DDRs (Figure 392).
FIGURE 391 FIGURE 392
Countless other possibilities exist, too, of course.
SECTION 22.9 GPI CONTROLLERS
GPI, or General Purpose Interface, is long serving analog control signal system based
on simple contact closure. GPI inputs and outputs are very common on professional
production equipment.
The macro system in NewTek live production devices can take advantage of
intermediary devices, such as the eBOX™ network/GPI hardware interface from
JLCooper Electronics, to support both GPI signal input and output.