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Talkback Connection
The two female 5 pin XLR connectors let you plug in two headsets, which allows two people to
communicate via talkback simultaneously. For example, the camera operator’s headset can be
plugged into the first XLR connector, and a crane operator or fellow crew member, such as a
sound operator, could plug into the second XLR headset connector. A pinout diagram for the
headset XLR connector is included below.
Headset XLR Pinout Diagram
External views Pins Signal I/O Description
5 pin XLR ‘headset’
connector
1 Intercom MIC (Y) GND
The intercom mic input supports
electret condenser mics and
dynamic mics, which can be
balanced or unbalanced. Pin 1 is the
mic signal common, and pin 2 is the
mic signal input for both types. With
electret mics, a DC bias supply is
also output via the same mic signal
input pin.
2 Intercom MIC (X) In
3 GND GND GND
4 Intercom left Out
5 Intercom right Out
The corresponding intercom controls are located above each headset connection.
For more information on how to use the intercom controls, refer to the ‘Operating the Camera
Fiber Converter’ section.
The intercom controls are used to mix Tracker Interface connector
talkback audio levels
181Camera Unit Connections
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