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V404-T
Setup manual
NEC V404-T Setup Manual
Large-screen displays raspberry pi compute module
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User manual
(72 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
Introduction
Contents
Table of Contents
Revision History
Basic Features
GPIO Summary
Requirements
Operating System Programming Procedure
1 Basic Setup and Configuration Steps
2 Installing the Compute Module and NEC Compute Module Interface Board to the Display
3 Connections and Internal Operation
USB Device Connections to the Compute Module
USB Connections for Programming the Compute Module
LAN Connections
Software Control Via IR Remote
4 Preparation
5 Operating System Summary
6 Preparing and Running the Tools to Make the Compute Module Appear as a Mass Storage Device
Using a Windows PC as a Host
Using a Raspberry Pi 1, 2, or 3 as a Host
7 Miscellaneous Configuration Items
Configuring the Correct HDMI Video Level Encoding and Decoding
To Disable Overscan (if Black Bars Are Visible on the Sides of the Screen)
To Rotate the Screen Image to Portrait Orientation
To Enable Support for the IR Remote Receiver Using "Lirc
To Test Support for the IR Receiver by Outputting Raw Data
Enabling the Serial Port (UART) to the Display and Allowing Application Access
Testing Internal Serial Communications to the Display Using the Python Based NEC PD SDK
Configuring the Compute Module to Shutdown Using Shutdown Signal from the Display
Creating an Image of the Compute Module to Backup or Clone
Reading and Setting the Display's Internal Real Time Clock (RTC) from the os
Using the Display's Watchdog Timer (WDT)
Controlling the Compute Module Cooling Fan
Controlling the Compute Module Power
Checking and Updating the Display Firmware Version
8 Related OSD Settings
Compute Module Menu Power Power Supply
Compute Module Menu Power Auto Power on
Compute Module Menu Service Menu Setting Lock
Compute Module Menu Service Menu USB Boot Mode
Compute Module Menu Service Menu IR Signal
Compute Module Menu Service Menu Monitor Control
Compute Module Menu Service Menu Shutdown Signal
Compute Module Menu Service Menu Shutdown Signal Power Supply off Delay
Compute Module Menu Service Menu WDT
Compute Module Menu Service Menu WDT Start up Time
Compute Module Menu Service Menu WDT Period Time
Control Menu USB External Control
Control Menu USB PC Source
Control Menu USB USB Power
Control Menu CEC CEC
Control Menu CEC Search Device
Expert Menu Compute Module CM Fan Power
Expert Menu Compute Module CM Auto Shutdown
9 Useful Information and Commands
To Find out the IP Address of the Compute Module from a Terminal Window
To Restart from a Terminal Window
To Shutdown from a Terminal Window
To Run the Raspberry Pi Config Utility from a Terminal Window
To Change the Keyboard Layout to US from a Terminal Window
To Add and Remove Packages from Raspbian
To Update the Raspberry Pi
To Install the Python Serial Module
To Mount a USB Flash Drive from the Terminal
To Access an SMB (Windows Share) Drive from the Raspbian Desktop
To List Connected USB Devices
To Show Available Disk Space
To Show Internal Information about the Raspberry Pi
To Download a File to the Current Directory
To Find a File by Name
To Edit a Protected System Configuration File from the Raspbian Desktop
To Install a Minimal Windowing System on Jessie Lite
To Prevent the Screen Saver from Blanking the Screen after Several Minutes
To Enable IR Remote Control Using CEC from OSMC
To Enable IR Remote Control Using Lirc from OSMC
Monitoring the System Processes, CPU Usage, and Memory
To Enable and Disable Video Output from the Compute Module to the Display
10 Troubleshooting
11 Codec Licenses
12 Python Based NEC PD SDK
13 Compute Module Configuration Tool for Raspbian
14 External Reference Information
15 Frequently Asked Questions
16 Known Issues
17 Support
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Basic Features
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Basic Setup and Configuration Steps
3
Troubleshooting
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See also:
Installation Manual
NEC Large-Screen Displays
Raspberry Pi Compute Module
Setup Guide
Revision: 180829
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