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©2019 NEC Display Solutions, Ltd. Page 49 of 74
9.12 Control menu USB External Control
Available options: Enable / Disable
Enables or Disables monitor control via USB. Software such as NEC SpectraView and MultiProfiler use
the USB connection to the display for communications. This connection is shared between the External
PC, Internal PC (OPS), and the Compute Module, and it is switched using the following setting.
9.13 Control menu USB PC Source
Available options: Auto / Internal PC / External PC / C Module
Selects the routing of the USB1 input on the display. It also routes the internal USB connection from the
touch sensor on display models with an integrated touch-screen.
This setting can be switched between the Compute Module, Internal PC (OPS) (if installed), and an
External PC connected to the USB2 connection. By selecting Auto, it can be configured to switch
automatically depending on the currently selected video input. This allows devices such as a mouse to be
shared automatically between different sources as the video input is changed.
Note: Only the USB1 connection is switched. The USB CM1 and CM2 connections are dedicated to
the Compute Module.
For display models with an integrated touch-screen, the internal USB connection from the touch sensor
will also follow the PC SOURCE setting so that as video inputs on the display are changed, the touch-
screen connection will automatically switch to the correct source device.
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