ED-MONITOR-156C Industrial Monitor and Display
Product Information
Specifications
- Product Name: ED-MONITOR-156C
- Manufacturer: EDA Technology Co., Ltd
- Release Date: August 1, 2025
- Power Input: 12V~24V DC
- Audio Output: 3.5mm stereo jack
- Video Input: HDMI Type-A
- USB Port: Type-C for touch screen signals
- Mounting: VESA compatible
Product Usage Instructions
1. Overview
The ED-MONITOR-156C is a high-quality monitor designed for
various applications.
2. Hardware Overview
The monitor comes with a front panel, rear panel, and side
panel, each with specific interfaces and functions.
3. Front Panel
The front panel houses the display screen and control buttons
for adjusting settings.
4. Rear Panel
The rear panel features installation holes for mounting the
monitor securely.
5. Side Panel
The side panel includes important interfaces such as power
input, audio output, HDMI input, and USB touch screen port.
The monitor includes buttons for adjusting backlight brightness
and volume levels. The buttons are labeled for easy
identification.
7. Indicator Status
The red power indicator on the monitor displays the power
status, indicating whether the device is powered on or off.
8. Interface Functions
Each interface on the ED-MONITOR-156C serves a specific purpose,
such as power input, audio output, and video input.
Frequently Asked Questions (FAQ)
Q: How do I adjust the backlight brightness on the
monitor?
A: Press the “Brightness +” button to increase the backlight
brightness and the “Brightness -” button to decrease it.
Q: Can I connect headphones to this monitor for audio
output?
A: Yes, you can use the 3.5mm stereo audio output jack on the
side panel to connect headphones for audio output.
Q: What should I do if the power indicator is blinking?
A: If the power indicator is blinking, it indicates an abnormal
power supply. Please stop the power supply immediately and check
for issues.
ED-MONITOR-156C
User Manual
by EDA Technology Co., Ltd built: 2025-08-01
ED-MONITOR-156C
1 Hardware Manual
This chapter introduces the product overview, packing list, appearance, buttons, indicators, and interfaces.
1.1 Overview
The ED-MONITOR-156C is a 15.6-inch industrial touch monitor featuring a screen resolution of 1920×1080, a high brightness of 450 cd/m², and a multi-touch capacitive touch screen. It includes one standard HDMI interface, one Type-C USB port, one DC Jack power interface, and one 3.5mm audio jack, making it compatible with various general-purpose PC hosts. The backlight and volume can be adjusted via buttons and software, and it is primarily used in industrial control applications.
· The HDMI interface allows direct connection to the HDMI output of a PC host. · The Type-C USB port transmits touch screen signals. · The 3.5mm audio jack supports headphone connectivity. · The DC Jack power interface supports 12V~24V DC input.
1.2 Packing List
· 1 x ED-MONITOR-156C Monitor · 1 x Mounting Kit (including 4 x buckles, 4xM4*10 screws and 4xM4*16 screws)
1.3 Appearance
This section introduces the functions and definitions of the interfaces on each panel.
1.3.1 Front Panel
Introducing the types and definitions of the interfaces on the front panel.
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ED-MONITOR-156C
NO.
Description
1 × LCD screen, 15.6-inch touch screen with a resolution of 1920×1080, multi-touch capacitive touch 1
screen.
1.3.2 Rear Panel
Introducing the types and definitions of the interfaces on the rear panel.
NO.
Description
1
4 x installation holes of snap, which are used to fix the snaps to the device for installation.
2
4 x VESA mounting holes, reserved for VESA bracket installation.
1.3.3 Side Panel
Introducing the types and definitions of the interfaces on the side panel.
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ED-MONITOR-156C
NO.
Description
1
1 x red power indicator, using to view the device’s power-on and power-off status.
2
1 x DC input, DC Jack connector, which supports 12V~24V DC input.
3
1 x 3.5mm stereo audio output jack, supports headphone connectivity.
4
1 x HDMI input, Type-A connector, which connects to the HDMI output of a PC host.
1 x USB touch screen port, Type-C USB connector, which connects to the USB port of a PC host to 5
transmit touch screen signals.
6
Heat dissipation holes, which help improve cooling performance.
1 x Rubber plug (pre-drilled 7mm diameter circular cable routing hole), designed to accommodate 7
additional cable management needs.
8
1 x “Brightness ” button, press the button to decrease the backlight brightness of the LCD screen.
9
1 x “Brightness +” button, press the button to increase the backlight brightness of the LCD screen.
10
1 x “Volume -” button, press the button to decrease the output volume.
11
1 x “Volume +” button, press the button to increase the output volume.
12
1 x “Mute” button, press the button to mute the output audio.
13
Heat dissipation holes, which help improve cooling performance.
1.4 Button
ED-MONITOR-156C device includes two backlight brightness adjustment buttons and three volume adjustment buttons. The buttons are black in color and marked with screen-printed labels
, , , and on the housing.
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ED-MONITOR-156C
Button
Description Press the button to increase the backlight brightness of the LCD screen. Press the button to decrease the backlight brightness of the LCD screen. Press the button to increase the output volume. Press the button to decrease the output volume. Press the button to mute the output audio.
1.5 Indicator
ED-MONITOR-156C device includes a red power indicator, marked with the screen-printed label ” PWR” on the housing.
Indicator PWR
Status On Blink Off
Description The device has been powered on. Power supply of the device is abnormal, please stop the power supply immediately. The device is not powered on.
1.6 Interface
Introducing the definitions and functions of each interface in the ED-MONITOR-156C.
1.6.1 Power Interface
The ED-MONITOR-156C device includes 1 power input port with a DC Jack connector, labeled ” 24V DC” on the housing. It supports 12V~24V DC input.
TIP A 12V 4A power adapter is recommended.
1.6.2 HDMI Interface
ED-MONITOR-156C device includes 1 HDMI input interface with a Type-A connector, labeled “HDMI INPUT” on the housing, used to connect to the HDMI output of a PC host.
1.6.3 Type-C USB Interface
ED-MONITOR-156C device includes 1 Type-C USB interface, labeled “USB TOUCH” on the housing. This interface connects to the USB port of a PC host to transmit touch screen signals.
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ED-MONITOR-156C
1.6.4 Audio Interface
ED-MONITOR-156C device includes 1 audio interface (3.5mm 4-pole headphone jack), labeled ” ” on the housing, supporting stereo audio output.
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ED-MONITOR-156C
2 Installing the device
ED-MONITOR-156C device supports front embedded installation. The standard packaging includes the embedded installation Mounting kit (ED-ACCHMI-Front). Preparation:
· The ED-ACCHMI-Front Mounting kit has been acquired (includes 4 × M4*10 screws, 4 × M4*16 screws, and 4 snaps).
· A cross screwdriver has been prepared. Steps: 1. Determine the cutout dimensions on the cabinet based on the ED-MONITOR-156C’s size, as
shown in the figure below. Unit: mm
2. Drill holes on the cabinet according to the aperture size defined in Step 1. 3. Embed the ED-MONITOR-156C into the cabinet from the exterior side.
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ED-MONITOR-156C
4. Align the screw holes (non-threaded) of the snaps with the snap mounting holes on the device side.
5. Secure the snaps to the device. Use 4 × M4*10 screws to fasten the snaps to the device by threading them through the nonthreaded holes and tightening them clockwise. Then, use 4 × M4*16 screws to secure the snaps to the cabinet: Insert them through the threaded holes of the snaps, press against the interior side of the cabinet, and thread them clockwise until fully tightened.
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ED-MONITOR-156C
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Phone: +86-15921483028(China) | +86-18217351262(Overseas)
ED-MONITOR-156C
3 Using the device
ED-MONITOR-156C requires a PC host for operation and does not require driver installation. Connect it to the HDMI output of a PC host first, then power on the device to enable normal display. It supports backlight and volume adjustment via dedicated buttons and software.
3.1 Connecting Cables
This section describes how to connect cables. Preparation:
· A functional power adapter has been acquired. · A functional PC host has been acquired. · Functional HDMI and USB cables (Type-A to Type-C USB cable) have been acquired. Schematic diagram of connecting cables: Please refer to 1.6 Interface to obtain the pin definitions and wiring methods of each interface.
TIP The HDMI INPUT interface of the ED-MONITOR-156C is compatible with various PC hosts. The figure below illustrates cable connection using a Raspberry Pi as an example.
3.2 Booting the device
The ED-MONITOR-156C does not include a physical power switch. After connecting to a power source, the device will automatically power on. Once fully booted, it will display the desktop of the connected PC host.
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ED-MONITOR-156C
3.3 Adjusting brightness and Volume
The ED-MONITOR-156C supports brightness and volume adjustment via physical buttons and software.
3.3.1 Adjust brightness and volume via buttons
Once the ED-MONITOR-156C is operational, the screen’s backlight brightness and volume can be adjusted via five dedicated buttons located on the side panel.
Button
Description Press the button to increase the backlight brightness of the LCD screen. Press the button to decrease the backlight brightness of the LCD screen. Press the button to increase the output volume. Press the button to decrease the output volume. Press the button to mute the output audio.
3.3.2 Adjust Brightness and Volume via Software
Once the ED-MONITOR-156C is connected to a PC host and displays properly, screen backlight and output volume can be adjusted via software. The operation methods vary for Desktop and Lite OS versions.
3.3.2.1 Raspberry Pi OS (Desktop)
Introducing how to adjust backlight brightness via the UI in Raspberry Pi OS (Desktop).
Preparation:
· ED-MONITOR-156C is properly connected to the Raspberry Pi host with normal display output. · The Raspberry Pi host has stable network connectivity.
Steps:
1. Add EDATEC apt repository by executing the following commands sequentially in the terminal.
sh curl -sS https://apt.edatec.cn/pubkey.gpg | sudo apt-key add echo “deb https://apt.edatec.cn/raspbian stable main” | sudo tee /etc/apt/sources.list.d/edatec.list sudo apt update
2. Install the software toolkit.
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sudo apt install -y ed-ddcci-mib-tool
ED-MONITOR-156C
sh
3. Click the icon in the top-left desktop corner. Then select to “System Tools” “EDATEC Monitor”.
4. Adjust brightness and volume using the slider in the “EDATEC Backlight” panel.
TIP
Support executing the sudo ed-ddc-ui command in the terminal window to open the “EDATEC Backlight” panel.
3.3.2.2 Raspberry Pi OS (Lite)
Adjusting brightness and volume via CLI on Raspberry Pi OS (Lite).
Preparation:
· ED-MONITOR-156C is properly connected to the Raspberry Pi host with normal display output. · The Raspberry Pi host has stable network connectivity.
Steps:
1. Add EDATEC apt repository by executing the following commands sequentially in the terminal.
sh curl -sS https://apt.edatec.cn/pubkey.gpg | sudo apt-key add echo “deb https://apt.edatec.cn/raspbian stable main” | sudo tee /etc/apt/sources.list.d/edatec.list sudo apt update
2. Install the software toolkit.
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sudo apt install -y ed-ddcci-mib-tool
ED-MONITOR-156C
sh
3. Execute the following commands to query the current brightness level and volume level settings separately.
· Query current brightness level:
sh sudo ed-ddc-server brightness read
· Query current volume level:
sh sudo ed-ddc-server volume read
4. Execute the following commands to set brightness level and volume level as required. · Set brightness level:
sh sudo ed-ddc-server brightness write -v X
Where X represents the brightness level with a range of 0~100. · Set volume level:
sh sudo ed-ddc-server volume write -v Y
Where Y represents the volume level with a range of 0~100.
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Documents / Resources
 | EDA TEC ED-MONITOR-156C Industrial Monitor and Display [pdf] User Manual ED-MONITOR-156C Industrial Monitor and Display, ED-MONITOR-156C, Industrial Monitor and Display, Monitor and Display, and Display |