LG 65UM3F UM3F Series Quick Start Guide

LG 65UM3F UM3F Series

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LG Digital Signage

(MONITOR SIGNAGE)

A B C

x 2

43UM3F 49UM3F 55UM3F 65UM3F

43UH5F 49UH5F 55UH5F 65UH5F

49UH7F 55UH7F 65UH7F

43UM3DF 49UM3DF 55UM3DF 65UM3DF

Depending upon country

(Image may vary depending on model)

Unpacking

Check your product box for the following items. If there are any missing accessories, contact the

local dealer where you purchased your product. The illustrations in this manual may differ from

the actual product and item.

M F L 6 7 3 6 0 8 5 0

P/No. : MFL67360850 (2008-REV00)

Image shown may vary depending on model.

in the pictures are not included along with the set.

All connection cable & devices shown

Quick Start Guide

Other manuals for LG 65UM3F UM3F Series

Owner's Manual129 pages

Installation Guide12 pages

Questions and Answers:

N
Nicole NelsonSep 3, 2025
Why does the screen image look abnormal on LG 65UM3F UM3F Digital Signage?
- M
  Mrs. Veronica RodriguezSep 3, 2025
  If the screen image looks abnormal on your LG Digital Signage, verify that the graphics card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution in the “Display” settings in Control Panel. Also, ensure the proper input signal is connected to the signal port by connecting the signal cable that matches with the source input signal.
K
Kristi SchneiderSep 3, 2025
What to do if the audio function doesn't work on LG Digital Signage?
- M
  Mrs. Lori Alexander DDSSep 3, 2025
  If the audio function does not work on your LG Digital Signage, ensure the audio cable is connected properly and the volume is adjusted appropriately. Also, verify that the sound is set correctly and select the appropriate equalizer sound.
B
Brianna MillerSep 2, 2025
How to fix no image on LG Digital Signage?
- S
  Samantha MooreSep 2, 2025
  If no image is displayed on your LG Digital Signage, first, ensure the power cord is correctly plugged into the power outlet. Then, check the signal cable and access the input menu to check the input signal. If the signal from the PC (Graphics card) is out of the vertical or horizontal frequency range, adjust the frequency range by referring to the Specifications in this manual.
S
Sonya Orozco MDAug 25, 2025
What to do if the LG Digital Signage operation does not work normally?
- C
  Carly HawkinsAug 25, 2025
  If the operation of your LG Digital Signage does not work normally, check if the Timer is set and review the power control settings. Also, consider the possibility of a power interruption.
A
Anna CookSep 1, 2025
How to prevent after-image on LG 65UM3F UM3F?
- D
  Diana PruittSep 1, 2025
  If an after-image appears on your LG Digital Signage and you use a fixed image for a long time, the pixels may be damaged. Use the screen-saver function. Note that this is normal for LCD screen products.
D
daniel20Aug 31, 2025
What to do if the screen image looks abnormal on LG Digital Signage?
- M
  Melissa AllenAug 31, 2025
  If the screen image on your LG Digital Signage looks abnormal, check if the graphics card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution in the 'Display' settings in Control Panel. Ensure that the correct input signal is connected to the signal port.
A
Adam GallagherAug 30, 2025
How to fix audio if it's not working on LG 65UM3F UM3F?
- D
  David GarciaAug 30, 2025
  If the audio function isn't working on your LG Digital Signage, check if the audio cable is properly connected and adjust the volume. Also, verify that the sound is set correctly and select an appropriate equalizer sound.
J
Jocelyn MooreAug 30, 2025
Why is the screen color abnormal on my LG 65UM3F UM3F Digital Signage?
- A
  Amanda PowellAug 30, 2025
  If the screen color on your LG Digital Signage appears abnormal, ensure that the number of colors is set to more than 24 bits (true color) via Control Panel - Display - Settings - Color Table in Windows. Also, check the connection status of the signal cable, and if necessary, re-insert the PC graphics card. Note that several pixels (red, green, white, blue or black) may appear, which is normal for LCD panels and not a malfunction.
R
rhondacunninghamAug 29, 2025
What to do if no image is displayed on my LG Digital Signage?
- T
  Theresa KiddAug 29, 2025
  If no image appears on your LG Digital Signage, first ensure the power cord is securely plugged into the power outlet. Then, check the signal cable and access the input menu to verify the input signal. Also, if the signal from the PC's graphics card is outside the product's vertical or horizontal frequency range, adjust the frequency range according to the specifications in the manual.
B
Brittany JonesAug 28, 2025
What to do if the 'Unknown Product' message appears when connecting LG 65UM3F UM3F?
- Y
  yolanda00Aug 28, 2025
  Check if the function is supported by referring to the graphics card user manual.

LG 65UM3F UM3F Series Specifications

General

Screen Size	65 inches
Panel Type	IPS
Contrast Ratio	1200:1
Viewing Angle (H x V)	178° x 178°
Response Time	8 ms
Operating System	webOS
Orientation	Landscape / Portrait
Operating Hours	16/7
Display Type	LED
Resolution	3840 x 2160
Input	HDMI, USB, RS-232C
Output	Audio Out
External Control	RS-232C

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