34UM56-W - Screen LG - Free user manual and instructions
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| Product Type | Ultrawide Monitor |
| Model Number | 34UM56-W |
| Brand | LG |
| Screen Size | 34 inches (86.7 cm) |
| Aspect Ratio | 21:9 |
| Resolution | 2560 x 1080 (Full HD Ultra-Wide) |
| Panel Type | AH-IPS (In-Plane Switching) |
| Refresh Rate | 60 Hz |
| Response Time | 5 ms (GTG) |
| Brightness | 250 cd/m² (typical) |
| Contrast Ratio | 1000:1 (typical) |
| Viewing Angle | 178° / 178° (CR≥10) |
| Color Gamut | sRGB 99% (typical) |
| Connectivity | 1 x HDMI, 1 x DisplayPort, 1 x DVI-D (Dual Link) |
| Audio | Headphone out (3.5 mm) |
| Power Consumption | 32 W (typical), <0.3 W (standby) |
| Power Input | AC 100-240 V, 50/60 Hz |
| Dimensions (with stand) | 817.1 x 457.4 x 228.1 mm (W x H x D) |
| Weight (with stand) | 7.7 kg |
| VESA Mount | 100 x 100 mm |
| Tilt Range | -5° to +15° |
| Key Features | Screen Split, DAS Mode (Dynamic Action Sync), Reader Mode, Flicker Safe, Anti-glare coating |
| Cleaning Instructions | Use a soft, dry cloth. Do not use liquid cleaners directly on screen. |
| Safety Notes | Do not open the monitor casing. Ensure proper ventilation. Avoid liquids. |
Frequently Asked Questions - 34UM56-W LG
How do I adjust the brightness on my LG 34UM56-W?
Press the joystick button on the back of the monitor to open the OSD menu. Navigate to Settings > Brightness and adjust using the joystick.
What is the optimal resolution for this monitor?
The native resolution is 2560 x 1080 at 60 Hz. For best results, set your graphics card to output this resolution.
Does the 34UM56-W support wall mounting?
Yes, it supports VESA mount standard 100 x 100 mm. Use a compatible wall mount bracket.
Can I connect my laptop via HDMI?
Yes, the monitor has an HDMI input. Ensure your laptop supports HDMI output. Use a standard HDMI cable.
How do I enable Screen Split feature?
Open the OSD menu, go to Settings > Screen Split, and choose a layout. Alternatively, use the LG Screen Split software (if installed).
What is DAS Mode and how to activate it?
Dynamic Action Sync (DAS) reduces input lag. Enable it via OSD: Settings > Game Mode > DAS Mode > On.
My monitor has no signal. What should I do?
Check cable connections. Ensure the correct input source is selected via OSD (Input List). Try a different cable or port.
How do I clean the screen safely?
Power off and unplug. Use a soft, lint-free cloth slightly dampened with water. Do not spray any liquid directly onto the screen. Gently wipe in circular motions.
Can I use this monitor for gaming?
Yes, it features a 60 Hz refresh rate and 5 ms response time. The ultrawide aspect ratio provides an immersive experience. Enable Game Mode for optimized settings.
What is the warranty period for LG 34UM56-W?
Typically, LG offers a 12-month warranty for monitors. Check your local warranty card or LG support for specific conditions.
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