MSI MEG Series User manual

MEG Series
OLED Monitor
MEG 342C QD-OLED (3DC4)
User Guide

2Contents
Contents
Getting Started.............................................................................................................. 3
Package Contents................................................................................................... 3
Installing the Monitor Stand................................................................................... 4
Installing the Rear I/O Cover.................................................................................. 5
Adjusting the Monitor ............................................................................................. 6
Monitor Overview.................................................................................................... 7
Connecting the Monitor to PC .............................................................................. 10
OSD Setup ................................................................................................................... 11
Navi Key ................................................................................................................ 11
Hot Key.................................................................................................................. 11
OSD Menus.................................................................................................................. 12
G.I.......................................................................................................................... 13
Gaming.................................................................................................................. 14
Professional.......................................................................................................... 16
Image .................................................................................................................... 16
Input Source ......................................................................................................... 17
PIP/PBP ................................................................................................................ 18
Navi Key ................................................................................................................ 19
Setting................................................................................................................... 19
MSI OLED Care ..................................................................................................... 22
Specifications.............................................................................................................. 24
Preset Display Modes ................................................................................................ 26
Troubleshooting.......................................................................................................... 29
Safety Instructions...................................................................................................... 30
TÜV Rheinland Certification....................................................................................... 32
Regulatory Notices..................................................................................................... 33
Revision
V1.0, 2023/03

3
Getting Started
Getting Started
This chapter provides you with the information on hardware setup procedures. While
connecting devices, be careful in holding the devices and use a grounded wrist strap
to avoid static electricity.
Package Contents
Monitor MEG 342C QD-OLED
Documentation Quick Start Guide
Accessories
Stand with Screw(s)
Stand Base with Screw(s)
Mouse Bungee
Rear I/O Cover
Stand Cover
Screw(s) for Wall Mount Bracket(s)
Power Cord
Cables
DisplayPort Cable (Optional)
Ultra High Speed HDMI™ Cable (Optional)
USB Type-C Cable (Optional)
USB Upstream Cable (Optional)
(for USB Type-B Upstream Port)
3.5mm Combo Audio Cable (Optional)
⚠
Important
∙ Contact your place of purchase or local distributor if any of the items is damaged or
missing.
∙ Package contents may vary by country.
∙ The included power cord is exclusively for this monitor and should not be used with
other products.

4Getting Started
Installing the Monitor Stand
1. Leave the monitor in its protective foam packaging. Align the stand to the monitor
groove. Tighten the stand with screws.
2. Connect the base to the stand and tighten the screw to secure the base.
3. Align and push the stand cover towards the monitor groove until it locks in place.
4. Make sure the stand assembly is properly installed before setting the monitor
upright.
12
3
⚠
Important
∙ Place the monitor on a soft, protected surface to avoid scratching the display panel.
∙ Do not use any sharp objects on the panel.
∙ The groove for installing the stand bracket can also be used for wall mount. Please
contact your dealer for proper wall mount kit.
∙ This product comes with NO protective film to be removed by the user! Any
mechanical damages to the product including removal of the polarizing film may
affect the warranty!

5
Getting Started
Installing the Rear I/O Cover
Install the accompanied rear I/O cover as shown below.

6Getting Started
Adjusting the Monitor
This monitor is designed to maximize your viewing comfort with its adjustment
capabilities.
⚠
Important
∙ Avoid touching the display panel when adjusting the monitor.
∙ Please slightly tilt the monitor backwards before pivoting it.
100 mm
-5° 20°

7
Getting Started
Monitor Overview
3
45
6
15
14 16
1
2
1
7913
810 1211
12

8Getting Started
1Microphone
2Light Sensor
3Power LED
Lit in white after the monitor is turned on. If no signal input, the LED will
turn into orange. Lit in orange when the monitor is in Stand-by mode.
4Macro Key
To activate OSD Application.
5Navi Key
6Power Button
7HDMI™ Connector
Supports HDMI™ CEC, 3440x1440@175Hz as specified in HDMI™ 2.1.
8HDMI™ Connector
Supports 3440x1440@175Hz as specified in HDMI™ 2.1.
9DisplayPort
Supports 3440x1440@175Hz as specified in DisplayPort 1.4.
10 USB Type-C Port
This port supports DisplayPort Alternate
(DP Alt) Mode and up to 20V/3.25A (65W)
power delivery.
USB Type-C
Power Delivery
5V / 3A (15W)
9V / 3A (27W)
12V / 3A (36W)
15V / 3A (45W)
20V / 3.25A (65W)
11 USB 3.2 Gen 1 Type-B Upstream Port
For USB Upstream Cable.
⚠
Important
Check the package for USB Upstream
Cable and connect it to the PC and
monitor. Once this cable is connected, the
USB Type-A Downstream Ports on the
monitor will be ready for use.
To PC
To Monitor
12 USB 3.2 Gen 1 Port
This connector is provided for USB peripheral devices. (Speed up to 5 Gbps)

9
Getting Started
13 Combo Audio Jack
14 Kensington Lock
15 Microphone Jack
16 Headphone Jack

10 Getting Started
Connecting the Monitor to PC
1. Turn off your computer.
2. Connect the video cable from the monitor to your computer.
3. Connect the power cord to the monitor power jack. (Figure A)
4. Plug the power cord into the electrical outlet. (Figure B)
5. Turn on the monitor. (Figure C)
6. Power on the computer and the monitor will auto detect the signal source.
A
B
C

11
OSD Setup
OSD Setup
This chapter provides you with essential information on OSD Setup.
⚠
Important
All information is subject to change without prior notice.
Navi Key
The monitor comes with a Navi Key, a multi-directional control that helps navigate the
On-Screen Display (OSD) menu.
Up/Down/Left/Right:
∙selecting function menus and items
∙adjusting function values
∙entering into/exiting from function menus
Press (OK):
∙launching the On-Screen Display (OSD)
∙entering submenus
∙confirming a selection or setting
Hot Key
∙Users may enter into preset function menus by moving the Navi Key up, down, left or
right when the OSD menu is inactive.
∙Users may customize their own Hot Keys to enter into different function menus.

12 OSD Menus
OSD Menus
⚠
Important
The following settings will be grayed out when HDR signals are received:
∙ Night Vision
∙ Low Blue Light
∙ Brightness
∙ Contrast
∙ Color Temperature
∙ Optix Scope
∙ Auto Brightness Control
∙ Ambient RGB Light
∙ PIP/PBP

13
OSD Menus
G.I.
1st Level Menu 2nd/3rd Level Menu Description
Auto
Brightness
Control
OFF ∙Through the internal Light Sensor
and AI (Artificial Intelligence)
algorithm, this function detects the
ambient light and automatically sets
the monitor to optimal brightness for
users.
∙Customize allows users to adjust the
auto brightness curve.
∙Activating Auto Brightness Control
will affect:
Affected Function Function Status
»Brightness Unable to select
Auto
Customize
Ambient RGB
Light
OFF ∙Through the internal RGB Sensor and
AI algorithm, this function detects
the ambient color temperature and
presents the best light effects synced
to the environment.
∙Activating Ambient RGB Light will
affect:
Affected Function Function Status
»Low Blue Light Set to OFF
»Color Temperature Unable to select
ON
Sound Tune OFF ∙Through the internal digital array
microphone and AI algorithm,
this function enables Active Noise
Cancellation (ANC) technology.
∙For Sound Tune to properly work,
the computer needs to be connected
to the USB Upstream port of the
monitor.
ON
KVM Auto ∙Auto allows the monitor to
automatically switch between USB
input sources, such as keyboards,
mice or other USB devices.
∙Users can also designate Upstream
port or USB Type-C as the only USB
signal source.
Upstream
Type C

14 OSD Menus
1st Level Menu 2nd/3rd Level Menu Description
Smart
Crosshair
Icon None ∙Through AI algorithm, this function
enhances the visibility of in-game
crosshair.
∙Users can select the color and
position of the crosshair.
Color White
Red
Auto
Position
Reset
Optix Scope Scope
Size
Small ∙The center point will zoom in when
Optix Scope is enabled, user can
adjust the details through the “Scope
Size” and “Scope Ratio” settings.
∙Smart Crosshair and Optix Scope can
be enabled at the same time.
∙Activating Optix Scope will affect:
Affected Function Function Status
»Adaptive-Sync
»PIP/PBP Set to OFF
»Screen Size 1:1 Set to Auto
Medium
Large
Scope
Ratio
x1.5
x2
x4
OFF
ON
Gaming
1st Level Menu 2nd/3rd Level Menu Description
Game Mode Premium Color ∙Use Up or Down Button to select and
preview mode effects.
∙Press the OK Button to confirm and
apply your mode type.
User
FPS
Racing
RTS
RPG

15
OSD Menus
1st Level Menu 2nd/3rd Level Menu Description
Night Vision OFF ∙This function optimizes background
brightness and is recommended for
FPS games.
Normal
Strong
Strongest
A.I.
Refresh Rate Location Left Top ∙Location is adjustable in OSD Menu.
Press the OK Button to confirm and
apply your Refresh Rate Location.
∙This monitor follows and works at the
Operating System’s preset Screen
Refresh Rate.
Right Top
Left Bottom
Right
Bottom
Customize
OFF
ON
Alarm Clock Location Left Top ∙After setting the time, press the OK
Button to activate the timer.
∙Users have to manually restore their
preset Alarm Clock after any AC
power loss and reconnection.
Right Top
Left Bottom
Right
Bottom
Customize
OFF
15:00 00:01 ~
99:59
30:00
45:00
60:00
Adaptive-Sync OFF ∙Adaptive-Sync prevents screen
tearing.
∙Activating Adaptive-Sync will affect:
Affected Function Function Status
»Screen Size 1:1 Set to Auto
»PIP/PBP
»Optix Scope Set to OFF
ON

16 OSD Menus
Professional
1st Level Menu 2nd Level Menu Description
Pro Mode Eco ∙Use Up or Down Button to select and
preview mode effects.
∙Press the OK Button to confirm and apply
your mode type.
User
Anti-Blue
Movie
Office
sRGB
Adobe RGB
Display P3
Low Blue Light OFF ∙Low Blue Light protects your eyes against
blue light. When enabled, Low Blue Light
adjusts the screen color temperature to a
more yellow glow.
∙When Pro Mode is set to Anti-Blue, it is
mandatory to enable Low Blue Light.
∙This monitor is a Low Blue Light monitor
which will decrease the blue light emitted
without adjusting the OSD settings.
∙Activating Low Blue Light will affect:
Affected Function Function Status
»Ambient RGB Light Set to OFF
ON
Image
Enhancement
OFF ∙Image Enhancement enhances image
edges to improve their acutance.
Weak
Medium
Strong
Strongest
Image
1st Level Menu 2nd/3rd Level Menu Description
Brightness 0-100 ∙Properly adjust Brightness according
to the surrounding lighting.
Contrast 0-100 ∙Properly adjust Contrast to relax your
eyes.
Sharpness 0-5 ∙Sharpness improves clarity and
details of images.

17
OSD Menus
1st Level Menu 2nd/3rd Level Menu Description
Color
Temperature
Cool ∙Use Up or Down Button to select and
preview mode effects.
∙Press the OK Button to confirm and
apply your mode type.
∙Users can adjust Color Temperature
in Customization mode.
Normal
Warm
Customization R (0-100)
G (0-100)
B (0-100)
Screen Size Auto ∙Users can adjust Screen Size in any
mode, any resolution and any screen
refresh rate.
∙Activating Screen Size 1:1 will affect:
Affected Function Function Status
»Adaptive-Sync
»Optix Scope
»PIP/PBP
Set to OFF
4:3
16:9
21:9
1:1
DisplayHDR True Black 400 Users can set the DisplayHDR to True
Black 400 or Peak 1000 nits.
Peak 1000 nits
Input Source
1st Level Menu 2nd Level Menu Description
HDMI™ 1 ∙Users can adjust Input Source in any mode.
HDMI™ 2
DP
Type C
Auto Scan OFF ∙Users can use the Navi Key to select Input
Source at below status:
• While “Auto Scan” is set to “OFF” with the
monitor at power saving mode;
• While “No Signal” message box is shown
on the monitor.
ON

18 OSD Menus
PIP/PBP
1st Level Menu 2nd/3rd Level Menu Description
OFF ∙PIP (Picture in Picture) allows users
to simultaneously display multiple
video sources on one screen. One
program is displayed on the full
screen at the same time as one or
more other programs are displayed in
inset windows.
∙PBP (Picture by Picture) is a similar
feature that displays two input
sources side-by-side on the screen.
∙Display Switch allows users to switch
between primary and secondary input
sources.
∙If there is only one signal input, the
Display Switch and Audio Switch will
be grayed out.
∙Users can adjust the ratio of window
division by switching mode 1/ 2.
∙Activating PIP/PBP will affect:
Affected Function Function Status
»Adaptive-Sync
»Optix Scope
»HDMI™ CEC
Set to OFF
»Screen Size 1:1 Set to Auto
»DisplayHDR
»HDMI™ 2.1 Unable to select
PIP Source HDMI™ 1
HDMI™ 2
DP
Type C
PIP Size Small
Medium
Large
Location Left Top
Right Top
Left Bottom
Right
Bottom
Customize
Display Switch
Audio Switch
PBP Mode 1
Mode 2
Source 1 HDMI™ 1
HDMI™ 2
DP
Type C
Source 2 HDMI™ 1
HDMI™ 2
DP
Type C
Display Switch
Audio Switch

19
OSD Menus
Navi Key
1st Level Menu 2nd Level Menu Description
Up
Down
Left
Right
OFF ∙All Navi Key items can be adjusted via
OSD Menus.
Brightness
Game Mode
Smart Crosshair
Alarm Clock
Input Source
PIP/PBP Mode
Refresh Rate
Info. On Screen
Night Vision
Optix Scope
KVM
Setting
1st Level
Menu 2nd Level Menu Description
Language 繁體中文 ∙Users have to press the OK Button
to confirm and apply the Language
setting.
∙Language is an independent setting.
Users’ own language setting will
override the factory default. When
users set Reset to Yes, Language will
not be changed.
English
Français
Deutsch
Italiano
Español
한국어
日本語
Русский
Português
简体中文
Bahasa Indonesia
Türkçe
(More languages
coming soon)
Transparency 0~5 ∙Users can adjust Transparency in any
mode.

20 OSD Menus
1st Level
Menu 2nd Level Menu Description
OSD Time Out 5~30s ∙Users can adjust OSD Time Out in
any mode.
Audio Source Analog ∙Make sure the audio cable is well
connected between monitor and
computer before selecting Analog
Source.
Digital
SpectrumBar OFF ∙Users can adjust SpectrumBar to
MSI - Mystic Light, MSI - Glow Sync
or OFF.
MSI - Mystic Light
MSI - Glow Sync
RGB Brightness 20% ∙Users can adjust RGB Brightness.
40%
60%
80%
100%
Power Button OFF ∙When set to OFF, users can press the
power button to turn off the monitor.
Standby ∙When set to Standby, users can press
the power button to turn off the panel
and backlight.
Info. On
Screen
OFF ∙The information of the monitor status
will be shown on the right side of the
screen.
ON
HDMI™ 2.1 Console ∙To reach maximum resolution of
3440x1440@175Hz, users have to set
HDMI™ 2.1 to PC.
PC