LG 37BH7N-H.AFB - User Manual

Questions and Answers

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Yvonne NelsonSep 13, 2025
Why is there no sound coming from my LG 37BH7N-H.AFB?
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  Carolyn ArmstrongSep 13, 2025
  If there is no sound output from your LG Digital Signage, verify that the audio cable is connected properly. Adjust the volume of the product or any external devices. Also, check if the sound settings are configured correctly.
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Timothy LawrenceAug 25, 2025
Why won't my LG Digital Signage turn on?
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  youngtoddAug 25, 2025
  First, ensure the power cord is correctly plugged into the power outlet. If operating in below-zero temperatures, the enclosure may take up to one hour to warm up internally. For models with a circuit breaker, verify it's properly connected and switched to the 'on' (red) position. Try disconnecting the AC adapter and cleaning the contacting port before turning the power on again. When using POE, make sure the LAN cable isn't damaged and do not connect an AC adapter.
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Christopher CarterAug 26, 2025
What to do if my LG 37BH7N-H.AFB Digital Signage power suddenly turned off?
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  michelleweberAug 26, 2025
  Check if the auto-off function is activated in the settings. Also, ensure the product power cord is properly connected to a functioning power source. Review the power control settings. If the internal temperature of the enclosure rises, the power may shut down, so clean the heat exchanger or filter periodically. Finally, check if the fan is working properly in (SETTINGS) [General] [System Information] [Fan Status].
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Kimberly ChenSep 23, 2025
Why does an after-image appear on my LG 37BH7N-H.AFB when it's turned off?
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  Elizabeth KiddSep 23, 2025
  If an after-image appears when your LG Digital Signage is turned off, it may be due to using a fixed image for a long time, which can damage the pixels. Use the screen-saver function to prevent this. Also, when a dark image is displayed on the screen after an image with high contrast (black and white or gray), this may cause image sticking, which is normal for display products.
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Andrew PottsSep 13, 2025
How to correct the screen position on my LG 37BH7N-H.AFB Digital Signage?
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  debraleeSep 13, 2025
  If the position of the screen is incorrect on your LG Digital Signage, verify that the graphics card resolution and frequency are supported by the product. If the frequency exceeds the supported range, use PC settings to set the resolution to the recommended value. For D-Sub analog signals, press the button on the remote control to automatically select the optimal screen status that fits the current mode. If the adjustment is not satisfactory, adjust the display settings manually in the OSD menu.
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Elizabeth CochranSep 23, 2025
Why is the screen color unstable on my LG 37BH7N-H.AFB?
- L
  Lisa GarciaSep 23, 2025
  If the screen color is unstable or mono-colored on your LG Digital Signage, check the connection status of the signal cable. Or, re-insert the PC graphics card.
C
Carlos Smith IISep 6, 2025
How to fix LG Digital Signage when the power won’t turn on?
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  eugene27Sep 6, 2025
  If your LG Digital Signage power won’t turn on, first ensure the power cord is correctly plugged into the power outlet. For models with a circuit breaker, check if it's properly connected and set to 'on' (red). If using POE, make sure the LAN cable isn't damaged and do not connect an AC adapter. Also, when operating in below zero temperatures, the enclosure may not work for up to one hour to raise the internal temperature of the enclosure. As an additional step, try turning the power on after disconnecting the AC adapter and cleaning the contacting port.
T
Tina ThomasSep 7, 2025
Why is the screen brightness dark on my LG 37BH7N-H.AFB Digital Signage, and how can I fix it?
- J
  Jesus PrinceSep 7, 2025
  If the screen’s brightness seems dark on your LG Digital Signage, try adjusting the brightness and contrast settings. If that doesn't help, the backlight may need repair. Also, if the internal temperature of the enclosure rises, the screen’s brightness may darken. Clean the heat exchanger or filter in the enclosure periodically.
M
markhardingSep 23, 2025
Why is touch input going to the wrong monitor on my LG 37BH7N-H.AFB setup?
- Y
  Yvette JonesSep 23, 2025
  If a touch is applied to a monitor other than the one you intended when using your LG Digital Signage, this may occur if the monitor is not set as the default monitor when you are using multiple monitors. Set the monitor as the default monitor. This may also occur when the touch screen is not calibrated properly, so change your tablet PC settings.
K
Kevin BakerAug 31, 2025
How to remove stripes in background of LG 37BH7N-H.AFB?
- J
  Jeffrey ChapmanAug 31, 2025
  For a D-Sub analog signal, press the button on the remote control to automatically select the optimal screen status. If the adjustment is not satisfactory, adjust the display settings manually in the OSD menu.

This document is the owner's manual for an LG Digital Signage monitor, specifically model 37BH7N-H. It provides instructions for safe and convenient use, covering basic setup, installation, and precautions.

The primary function of this device is to serve as a digital signage monitor. It is designed for commercial use, not for household purposes. The manual emphasizes proper installation and usage to ensure optimal performance and longevity.

Usage Features:

The monitor can be installed in various orientations:

Vertical Installation: When installing the monitor vertically, it should be rotated 90 degrees anti-clockwise when facing the front of the screen.
Tilt Angle: In landscape orientation, the monitor can be tilted down to 30 degrees.
Ceiling and Floor Orientation: The manual also illustrates configurations for ceiling and floor installations, indicating flexibility in placement.

The device features a set of buttons for control:

Power On/Off: A single press turns the monitor on, while a press and hold action turns it off, closing all running applications.
Quick Menu: A single press when the monitor is on accesses the Quick Menu.
Menu Selection/Control: This function allows navigation and control within the monitor's menu system.
Volume Control: Adjusts the audio output.
Input Source Change: Allows users to switch between different input sources.
Main Menu Access: Provides access to the main settings and options.
Close Quick Menu: Exits the Quick Menu.

The monitor supports external connectivity for enhanced functionality:

IR Sensors: The device includes IR sensors that receive signals from a remote control. These sensors can be rotated to accommodate both horizontal and vertical installations and can also be hidden.
Kensington Lock Device: For security, the monitor is equipped with a Kensington lock device connector on the back. This allows users to connect a security system cable to secure the monitor to a table, preventing theft. This feature is optional and applies to some models.

Maintenance Features and Precautions:

The manual outlines several precautions and recommendations to ensure the product's lifespan and prevent damage:

Dust: The warranty does not cover damage caused by using the product in an excessively dusty environment, highlighting the importance of maintaining a clean operating environment.
Afterimage Prevention: To prevent afterimages (image retention) on the screen, which can occur when still images are displayed for long periods, the manual provides specific recommendations:
- Screen Saver Function: Users should utilize the screen-saver function to avoid pixels being damaged rapidly.
- Luminance Differences: Switching from screens with high luminance differences (e.g., black and white to darker screens) can cause afterimages. This is a normal characteristic of the display.
- Liquid Crystal Alignment: Prolonged display of still patterns can lead to a slight voltage difference between the liquid crystal electrodes, causing the liquid crystal to align in one direction and retain the previous image.
- Image Switching: Afterimages do not occur with continuously changing images. For fixed screens, it is recommended to switch the screen at equal time intervals. The maximum recommended time for switching is 12 hours, with shorter cycles being better for prevention.
- Complementary Colors: When changing background and text colors, afterimages are less likely to occur if the new colors are complementary to the previous ones.
- Text/Image Location: When switching screens, users should ensure that text or images from the previous screen are not left in the same location after the change.

Installation Precautions:

Power Disconnection: Always disconnect the power cord before moving or installing the monitor to prevent electric shock.
Mounting: Installing the monitor on a ceiling or inclined wall incorrectly can cause it to fall and result in injury.
Screw Tightening: Overtightening screws can damage the monitor and void the warranty.
VESA Standards: Use screws and wall mount plates that conform to VESA standards. Damage or injury due to inappropriate components is not covered by the warranty.
Screw Length: Using screws longer than the indicated depth can damage the inside of the product. Proper screw length is crucial.

Installation Location Guidelines:

Indoor Installation (Wall/Recessed Wall):
- For wall mounting, a minimum clearance of 40 mm (A) is required.
- For recessed wall mounting, minimum clearances of 40 mm (A), 50 mm (B), and 70 mm (C) are specified.
- The warranty does not cover damage caused by using the product in direct sunlight on the front panel, emphasizing the need for appropriate indoor placement.
Outdoor Installation: The manual shows an illustration indicating that the product is not suitable for outdoor enclosed environments, suggesting it is primarily designed for indoor use.

The manual also details the accessories provided with the product, noting that these may vary by model or region. It advises users to visit the LG partner website to download the latest SuperSign software and manual.

LG 37BH7N-H.AFB Specifications

General

Screen Size	37 inches
Panel Technology	IPS
Viewing Angle (H x V)	178° x 178°
Response Time	8 ms
Orientation	Landscape / Portrait
Operating Temperature	0°C to 40°C
Operating Humidity	10% to 80%
Native Resolution	1920 x 1080
Input	HDMI, DVI-D, VGA, USB
External Control	RS-232C
Power Supply	100-240V AC, 50/60Hz
Power Consumption	85W (Typical)
Display Type	LED