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The Hub/LG/Displays/SE3B series

LG, Displays

SE3B series

Control
IP, RS-232 (default TCP)
Encoding
ASCII
IP
TCP port 9761
RS-232
9600 baud, 8N1
Line ending
CR
More from this makerLG TV v1LG TV v2Most Newer

Commands

23 commands
POWER2
POWER ON kd 01 00
Ending: cr
POWER OFF kd 01 01
Ending: cr
VOLUME2
VOLUME UP mc 01 02
Ending: cr
VOLUME DOWN mc 01 03
Ending: cr
MUTE2
MUTE ON ke 01 00
Ending: cr
MUTE OFF ke 01 01
Ending: cr
INPUT10
HDMI 1 xb 01 70
Ending: cr
HDMI 2 xb 01 90
Ending: cr
HDMI 3 xb 01 92
Ending: cr
HDMI 4 xb 01 93
Ending: cr
DISPLAY PORT xb 01 00
Ending: cr
HDBASET xb 01 01
Ending: cr
AVoIP xb 01 02
Ending: cr
USB xb 01 03
Ending: cr
PC CARD xb 01 04
Ending: cr
TUNER xb 01 05
Ending: cr
MENU7
UP mc 01 40
Ending: cr
DOWN mc 01 41
Ending: cr
LEFT mc 01 07
Ending: cr
RIGHT mc 01 06
Ending: cr
ENTER mc 01 44
Ending: cr
EXIT mc 01 28
Ending: cr
MENU mc 01 43
Ending: cr

Cheat sheet

driver.cheatSheet()

What it is

The LG SE3B Series is a commercial digital-signage display for standalone or video-wall installations. It is intended for managed content playback in professional environments.

Specs

Resolution: Full HD (1920 x 1080)

Type: TFT LCD Panel, LED TV/Display, Commercial Digital Signage

Inputs: RGB, HDMI, DVI, USB, RJ45 (network), RS232C, IR

Mounting: VESA compatible (M4 x L14 screws)

Setup

First Use: Connect power and signal cables. Turn on display and source. Press INPUT to select source. Set language, network, time zone, and Set ID (1-1000).

Video Optimization: AUTO button (RGB only). Picture Modes: Vivid, Standard, Cinema, Sport, Game, Expert, Calibration, Mall/QSR, Transportation, Education, Gov./Corp., General, Hospital. Energy Saving/Auto Power Save levels. Adjust Backlight, Contrast, Brightness, Sharpness, Color. Aspect Ratio: Full Screen, Original.

CEC: SIMPLINK (On/Off). Device ID (All, A-E). Standby command (All, Send Only, Receive Only).

Control: Remote control (IR codes). Local buttons (Power, Menu, Input, Volume). IR receiver. RS-232C control. Network IP Control (telnet port 9761). Set ID (1-99 or 1-1000). IR/Local Key Lock options.

Support

Tech Support Phone: 1-888-865-3026

Tech Support Email: LG.com contact form

Power Cycle: Unplug power cord, wait, reconnect. Or press/hold power button.

Factory Reset: OPTION menu > Factory Reset. Or Admin menu > Factory Reset. Or command fk with data 02. Preserves Set ID, Video Wall, Server Settings (exceptions noted in full docs).

About this driver

driver.source()

Confirm each command on your device before you rely on it. Provided as is, with no warranty. To correct something or ask for it to come down, write to info@ctrlbot.io. Licensed CC BY 4.0: credit CTRLbot and link back when you share it. Product page. Manufacturer site.

Revision
2
Updated
2026-11-11
Catalog date
2026-11-12
License
CC-BY-4.0