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©2019 NEC Display Solutions, Ltd. Page 46 of 74
9.4 Compute Module menu Service Menu USB Boot Mode
Available options: Enable / Disable
When set to Enable, the Compute Module will appear as a USB device to a PC connected to the USB2
input on the display and can be programmed with an Operating System. When set to Disable, the
Compute Module will boot normally. See chapter USB connections for programming the Compute Module
on page 16.
9.5 Compute Module menu Service Menu IR Signal
Available options: Enable / Disable
Enables or disables the forwarding of IR remote control signals, received from the display’s internal and
optional external IR sensor, to the Compute Module via GPIO 18.
See section 0 for more details on using this feature.
9.6 Compute Module menu Service Menu Monitor Control
Available options: Enable / Disable
Enables or disables the internal serial connection between the display and Compute Module. If set to
Enable, communications is available via GPIO 14 & 15. This GPIO will normally appear as a TTY device.
Make sure the Operating System doesn’t send boot console debug messages to the UART serial port; it
may cause erratic behavior in the display (such as the OSD flashing, random operations being performed,
slow bootup of the Compute Module, etc.).
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