Related Manuals for EDA ED-HMI Series
Summary of Contents for EDA ED-HMI Series
- Page 1 Optimization For White Screen Problem On 7-inch ED-HMI Series EDA Technology Co., LTD April 2024...
- Page 2 IOT, industrial control, automation, green energy and artificial intelligence based on Raspberry Pi technology platform. You can contact us in the following ways: EDA Technology Co.,LTD Address: Building 29, No.1661 Jialuo Highway, Jiading District, Shanghai Mail: sales@edatec.cn...
- Page 3 Copyright Statement ED-HMI series and its related intellectual property rights are owned by EDA Technology Co.,LTD. EDA Technology Co.,LTD owns the copyright of this document and reserves all rights. Without the written permission of EDA Technology Co.,LTD, no part of...
- Page 4 EDA Technology Co.,LTD does not guarantee that the information in this manual is up to date, correct, complete or of high quality. EDA Technology Co.,LTD also does not guarantee the further use of this information. If the material or non-...
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Page 5: Related Agreement
Foreword Reader Scope This manual is applicable to the following readers: Mechanical Engineer Electrical Engineer Software Engineer System Engineer Related Agreement Symbolic Convention Symbolic Instruction Prompt symbols, indicating important features or operations. Notice symbols, which may cause personal injury, system damage, or signal interruption/loss. Warning symbols, which may cause great harm to people. -
Page 6: Safety Instructions
Safety Instructions This product should be used in an environment that meets the requirements of design specifications, otherwise it may cause failure, and functional abnormality or component damage caused by non-compliance with relevant regulations are not within the product quality assurance scope. ... -
Page 7: Table Of Contents
Content Foreword ................................i Reader Scope ............................i Related Agreement ..........................i Symbolic Convention ........................i Safety Instructions ............................ii Problem Description ........................... 1-1 Phenomenon ........................1-2 Involved Product ........................1-3 Solution .............................. 2-1 Applying To Default Operation System ................2-2 Applying To Standard Raspberry Pi OS ................2-4... -
Page 8: Problem Description
1 Problem Description 1 Problem Description This chapter introduces the phenomenon of white screen problem on 7-inch ED-HMI series and the involved product models. Phenomenon Involved Product Software Optimization... -
Page 9: Phenomenon
1 Problem Description 1.1 Phenomenon When the user is using a 7-inch ED-HMI series product, if the Screen Blanking function is turned on, a white screen problem may occur when waking up the screen. The specific phenomenon is as shown below (the screen is covered with a layer of white. -
Page 10: Involved Product
1 Problem Description 1.2 Involved Product The 7-inch ED-HMI series products involved in the white screen problem include ED-HMI2020-070C, ED-HMI2120-070C, ED-HMI2220-070C, ED-HMI3010-070C and ED-HMI3020-070C. Software Optimization... -
Page 11: Solution
2 Solution 2 Solution For the white screen problem, our company supports the optimization through online installation of Deb packages to solve this problem. And the operations for the standard Raspberry Pi OS and default operating system (provided by EDATEC) are different. Currently, only the optimization of the bookworm (Debian12) system is supported. -
Page 12: Applying To Default Operation System
2 Solution 2.1 Applying To Default Operation System If the device is using the factory default operating system (provided by EDATEC), you can refer to the following steps to optimize the system to solve the white screen problem. Preparation: The device has been started normally. ... - Page 13 2 Solution corresponding parameters in screenblank.service. The specific operations are as follows: Execute the following command to open the screenblank.service parameter file. sudo nano /lib/systemd/system/screenblank.service Modify the time after ExecStart=screenblank as needed, the unit is seconds, and the minimum value is 5. Software Optimization...
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Page 14: Applying To Standard Raspberry Pi Os
2 Solution 2.2 Applying To Standard Raspberry Pi OS If the device is using the standard Raspberry Pi OS, you can refer to the following steps to optimize the system to solve the white screen problem. Preparation: The device has been started normally. ... - Page 15 2 Solution 4. Execute the following command to install the Deb package. sudo apt install ed-screenblank 5. Execute the following command to reboot the device, which makes the installed Deb package to take effect. sudo reboot Additional Instructions After the installed Deb package takes effect, the default screen blanking time of the device is 30 seconds.
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