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monitor or display device. The new device should be recognized and enabled by the system
automatically.
The Multiview output offers a variety of optional monitoring layouts that can be selected at any time
in TriCaster’s Live Desktop.
2. Some TriCaster models also provide an additional, assignable video output on a labeled HDMI
connector. Simply connect a suitable external monitor or device to the connector on the backplane.
3. Stream and Network both require only a network connection.
4. Two special outputs are labeled Display (numbered [5] and [6] on 4RU TriCaster’s backplate). These
ports can serve projectors or similar large display systems, though of course they can be used for
other purposes too.
Note: A mismatch of output format and connection type is possible at times. For example, a Graphics
player can display imagery that does not correspond to the current output resolution or is not supported
by the selected connection type. TriCaster will attempt to display the output despite mismatches, but may
not always succeed.
SECTION 3.8
TALLY LIGHTS
TriCaster’s Tally Light support allows you to connect external tally lights and similar
devices. These typically provide a red LED for the video input that is currently selected on
the Switcher’s Program row. (Not a TriCaster Mini SDI or Mini feature.)
TriCaster’s NDI outputs also natively support tally.
Note: Tally over SDI, as supported by devices from Blackmagic Design, is natively supported, and requires
no special configuration. Please see also: Section 21.9 regrading GPI support to trigger tally (and more);
or search among third party tally solutions listed at http://www.newtek.com/solutions/newtek-developer-
network/all-partner-list.
3.8.1
CONNECTION DETAILS
Here is a pin-out listing for TriCaster’s HD15 Tally connector:

Pin1 – LED1

Pin2 – LED2

Pin3 – LED3

Pin4 – LED4

Pin5 – LED5
(4RU only)

Pin6 – LED

(4RU only)

Pin7 – LED7
(4RU only)

Pin8 – LED8
(4RU only)

Pin9 – GND

Pin10 – GND

Pin11 – GPI1

Pin12 – GPI2

Pin13 – NC

Pin14 – 3.3V
(20 Ohms current limit)
 Pin15 – NC
FIGURE 3-7