LG SH34SQ-S Manual

The LG SH34SQ-S is a 34-inch UltraWide QHD (3440 x 1440) curved business monitor with a 21:9 aspect ratio, featuring an IPS panel, 100Hz refresh rate, 1ms Motion Blur Reduction, HDR10 support, USB-C connectivity with 90W power delivery, built-in KVM switch, and ergonomic stand with height/tilt/swivel/pivot adjustments. Designed for productivity and multitasking, it includes features like OnScreen Control, Reader Mode, Flicker Safe technology, and Black Stabilizer. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 34-inch UltraWide curved IPS display, Ergonomic stand, Remote Control, USB-C port, HDMI/DisplayPort inputs, USB hub, Headphone jack.

Feature	Description
UltraWide QHD Display	3440 x 1440 resolution with 21:9 aspect ratio for enhanced productivity
USB-C Connectivity	Single cable for video, data, and 90W power delivery to compatible laptops
Built-in KVM Switch	Control two computers with one keyboard/mouse setup
Ergonomic Stand	Height, tilt, swivel, and pivot adjustments for comfortable viewing
OnScreen Control	Software for easy monitor settings adjustment via mouse
Reader Mode	Reduces blue light emission for comfortable reading
HDR10 Support	High Dynamic Range for improved contrast and color
Black Stabilizer	Enhances visibility in dark scenes without over-exposing bright areas
Flicker Safe Technology	Minimizes screen flickering to reduce eye strain
100Hz Refresh Rate	Smooth motion for business applications and casual content

Installation

Unpack and inspect contents. Place on stable desk surface.

1. Assemble stand: Attach stand base to monitor neck using provided screw.
2. Connect video sources: Use USB-C, HDMI, or DisplayPort cables to connect computer(s).
3. Connect USB devices: Plug keyboard and mouse into monitor's USB downstream ports.
4. Connect power: Plug AC adapter into monitor and wall outlet.

WARNING! Monitor is heavy; use two people for installation to avoid injury. Ensure all connections are secure.

First-Time Setup

Power on monitor; follow on-screen prompts.

1. Select input source: Press INPUT button to choose USB-C, HDMI, or DisplayPort.
2. Adjust display settings: Use OSD menu for brightness, contrast, and color temperature.
3. Install OnScreen Control: Download from LG website for easy settings management.
4. Configure KVM: Set up keyboard/mouse switching between two connected computers.

CAUTION! Ensure stable surface; adjust ergonomic settings gradually to avoid strain.

Specifications

• Screen Size: 34 inches curved UltraWide.
• Resolution: 3440 x 1440 QHD.
• Panel Type: IPS.
• Aspect Ratio: 21:9.
• Refresh Rate: 100Hz.
• Response Time: 5ms GTG (1ms MBR).
• Connectivity: USB-C (90W PD), HDMI 2.0, DisplayPort 1.4, USB 3.0 hub.
• HDR: HDR10.
• Ergonomics: Height, tilt, swivel, pivot adjustable.
• Power Consumption: Typical 45W, Max 250W.
• Operating Temp: 10°C to 40°C.

Controls and Settings

Access OSD via joystick control at bottom center of monitor. Front indicators: Power LED.

OSD Menu: Picture (Brightness, Contrast, Sharpness, Color Temp), Game Adjust (Black Stabilizer, Response Time), Input (Source Select), General (Language, Reset).

Picture: BRIGHTNESS, CONTRAST, SHARPNESS, COLOR TEMP (Warm, Medium, Cool). Game Adjust: BLACK STABILIZER (1-4 levels), RESPONSE TIME (Off, Fast, Faster). Input: SOURCE SELECT (USB-C, HDMI, DisplayPort). General: LANGUAGE (ENGLISH default), RESET (Restore factory settings).

Connecting Devices

USB-C: Single cable for video, audio, data, and power (90W). HDMI/DisplayPort: Traditional video connections. USB Hub: Connect peripherals.

1. Turn off monitor and computers before connecting.
2. Match cables to ports (USB-C to USB-C, HDMI to HDMI).
3. Select input via INPUT button or OSD menu.
4. For KVM: Connect two computers and peripherals to monitor USB ports.

Tip: Use certified high-speed cables for best performance, especially for USB-C connection.

Using Advanced Features

Supports multitasking with PBP/PIP, KVM switching, and productivity software.

1. Picture-by-Picture (PBP): Display two input sources side-by-side.
2. Picture-in-Picture (PIP): Show second source in small window.
3. KVM Switch: Toggle between two computers using hotkey or OSD.
4. OnScreen Control: Adjust settings, split screen layouts via desktop software.
5. Reader Mode: Activate in OSD to reduce blue light for document work.
6. Black Stabilizer: Enhance dark area visibility in presentations/videos.
7. HDR Mode: Enable for compatible content in Picture settings.

WARNING! Do not force connections; ensure devices are compatible with features like USB-C power delivery.

Accessibility Features

Reader Mode: Reduces blue light for comfortable reading. Flicker Safe: Minimizes screen flicker. High Contrast Mode: Enhances visibility for visually impaired users (available in OSD).

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen; slightly damp cloth for casing. Do not use liquids, aerosols, or abrasive materials.

CAUTION! Do not spray directly on screen; avoid ammonia-based cleaners. Keep away from extreme temperatures and moisture.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2023 LG Electronics; trademarks of LG Corp. Energy Star certified. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cable/outlet	Ensure power cable securely connected; try different outlet.
No signal	Input selection/cable	Select correct input source; check cable connections; try different cable.
USB-C not charging	Power delivery/cable	Ensure laptop supports USB-C PD; use certified cable; check OSD USB-C settings.
KVM not working	Connection/OSD settings	Verify peripherals connected to monitor USB ports; enable KVM in OSD.
Image blurring	Response time settings	Adjust Response Time setting in Game Adjust menu.
Color issues	Color settings/cable	Reset color settings; ensure high-speed cable used for high resolution.

Reset: OSD > General > Reset to restore factory settings.

Service: 1-800-243-0000; www.lg.com