NEC MPI4E RaspberryPi 4 System on a Chip Solution

Raspberry Pi Compute Module Setup Guide - Page 51

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©2021 Sharp NEC Display Solutions, Ltd. Page 51 of 86
6.17 Input Advanced CEC Search Device
Available options: (SET command function only)
Pressing SET on the IR Remote will start the process of the display searching for a CEC (Consumer
Electronics Control) device on the connection to the Compute Module. If no device is found, confirm that
CEC enabled software is currently running on the Compute Module and that any CEC device drivers are
enabled.
Once the device has been detected, the display’s IR Remote can be used to navigate and control CEC
enabled software.
6.18 Control USB PC Source
Available options: Auto / External PC / Option / Compute Module
Selects the routing of the USB-A” port on the display.
1
It also routes the internal USB connection from
the touch sensor on display models with an integrated touchscreen.
This setting can be switched between the Compute Module, Option (internal SDM based PC if installed),
and an External PC connected to the USB 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.
For display models integrated with an optional 3
rd
party touchscreen, 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 touchscreen connection will automatically switch to the correct source device.
1
Current display models with a “USB-A” port on the terminal panel and PC SOURCE in the OSD menu: MA431,
MA491, MA551, P435, P495, P555
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