MB166C
Portable USB Monitor
User Guide
ii
Copyright © 2021 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any
language in any form or by any means, except documentation kept by the purchaser for
backup purposes, without the express written permission of ASUSTeK COMPUTER INC.
(“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modied or
altered, unless such repair, modication of alteration is authorized in writing by ASUS; or (2)
the serial number of the product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES
OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE
LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
(INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE
OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR
ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED
FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME
WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY
ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR
INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS
AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered
trademarks or copyrights of their respective companies, and are used only for identication or
explanation and to the owners’ benet, without intent to infringe.
Table of contents
Notices ......................................................................................................... iii
Safety information ....................................................................................... v
Care & cleaning .......................................................................................... vii
Takeback services .................................................................................... viii
1.1 Welcome! ...................................................................................... 1-1
1.2 Package contents ......................................................................... 1-1
1.3 Monitor introduction .................................................................... 1-2
1.3.1 Front view ....................................................................... 1-2
1.3.2 QuickFit Function ............................................................ 1-3
2.1 Monitor standing positions ......................................................... 2-1
2.2 Connect the USB monitor with system ...................................... 2-2
3.1 OSD (On-Screen Display) menu ................................................. 3-1
3.1.1 How to recongure .......................................................... 3-1
3.1.2 OSD Function Introduction .............................................. 3-2
3.2 Specications ............................................................................. 3-11
3.3 Troubleshooting (FAQ) .............................................................. 3-12
3.4 Supported Timing List ............................................................... 3-14
iii
Notices
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions:
This device may not cause harmful interference, and
This device must accept any interference received including
interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance
with manufacturer’s instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will
not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment to an outlet on a circuit different from that to
which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio
noise emissions from digital apparatus set out in the Radio Interference
Regulations of the Canadian Department of Communications.
This class B digital apparatus complies with Canadian ICES-003.
NOTE:ThismonitorisENERGYSTARcertied.
This product qualies for ENERGY STAR in the factory
default setting which can be restored by
Factory Reset”
function in the OSD menu. Changing the factory
default settings or enabling other features may increase
power consumption that could exceed the ENERGY STAR
specied limits.
iv
Declaration of Conformity
This device complies with the requirements set out in the Council
Directive on the Approximation of the Laws of the Member States
relating to Electromagnetic Compatibility (2014/30/EU), Low-voltage
Directive (2014/35/EU), ErP Directive (2009/125/EC) and RoHS directive
(2011/65/EU). This product has been tested and found to comply with
the harmonized standards for Information Technology Equipment, these
harmonized standards published under Directives of Ofcial Journal of the
European Union.
WEEE Symbol Statement
This symbol on the product or on its packaging indicates that this product
must not be disposed of with your other household waste. Instead, it is
your responsibility to dispose of your waste equipment by handing it over
to a designated collection point for the recycling of waste electrical and
electronic equipment. The separate collection and recycling of your waste
equipment at the time of disposal will help to conserve natural resources
and ensure that it is recycled in a manner that protects human health and
the environment. For more information about where you can drop off your
waste equipment for recycling, please contact your local city ofce, your
household waste disposal service or the shop where you purchased the
product.
v
Safety information
Before setting up this Portable USB Monitor, carefully read all the
documentation that came with the package.
To prevent fire or shock hazard, never expose this Portable USB
Monitor to rain or moisture.
Never try to open this Portable USB Monitor cabinet.
Before using this Portable USB Monitor, make sure all cables are
correctly connected and the power cables are not damaged. If you
detect any damage, contact your dealer immediately.
Avoid dust, humidity, and temperature extremes. Do not place this
Portable USB Monitor in any area where it may become wet. Place this
Portable USB Monitor on a stable surface.
Never push objects or spill liquid of any kind into the slots on this
Portable USB Monitor cabinet.
If you encounter technical problems with this Portable USB Monitor,
contact a qualified service technician or your retailer.
This Portable USB Monitor is powered by USB port which complies
with LPS and SELV circuit according to IEC60950-1:2005.
WARNING
Usage of other than specied head- or earphones can result in hearing
loss due to excessive sound pressures.
Please conrm the distribution system in building installation shall provide
the circuit breaker rated 120/240V, 20A (maximum).
If provided with a 3-pin attachment plug on the power cord, plug the cord
into a grounded (earthed) 3-pin outlet. Do not disable the power cord
grounding pin, for example, by attaching a 2-pin adapter. The grounding
pin is an important safety feature.
Stability Hazard.
The product may fall, causing serious personal injury or death. To
prevent injury, this product must be securely attached to the oor/wall in
accordance with the installation instructions.
A product may fall, causing serious personal injury or death. Many injuries,
particularly to children, can be avoided by taking simple precautions such
as:
ALWAYS use cabinets or stands or installation methods recommended by
the manufacturer of the product set.
ALWAYS use furniture that can safely support the product.
vi
ALWAYS ensure the product is not overhanging the edge of the supporting
furniture.
ALWAYS educate children about the dangers of climbing on furniture to
reach the product or its controls.
ALWAYS route cords and cables connected to your product so they cannot
be tripped over, pulled or grabbed.
NEVER place a product in an unstable location.
NEVER place the product on tall furniture (for example, cupboards or
bookcases) without anchoring both the furniture and the product to a
suitable support.
NEVER place the product on cloth or other materials that may be located
between the product and supporting furniture.
NEVER place items that might tempt children to climb, such as toys and
remote controls, on the top of the product or furniture on which the product
is placed.
If the existing product is going to be retained and relocated, the same
considerations as above should be applied.
vii
Care & cleaning
Cleaning. Turn your monitor off and unplug the cable. Clean the
monitor surface with a lint-free, non-abrasive cloth. Stubborn stains
may be removed with a cloth dampened with mild cleaner.
Avoid using a cleaner containing alcohol or acetone. Use a cleaner
intended for use with the LCD. Never spray cleaner directly on the
screen, as it may drip inside the monitor and cause an electric shock.
The following symptoms are normal with the monitor:
You may find slightly uneven brightness on the screen depending on
the desktop pattern you use.
When the same image is displayed for hours, an afterimage of the
previous screen may remain after switching the image. The screen will
recover slowly or you can turn off the Power Switch for hours.
When the screen becomes black or flashes, or cannot work anymore,
contact your dealer or service center to fix it. Do not repair the screen
by yourself!
Conventions used in this guide
WARNING: Information to prevent injury to yourself when trying to
complete a task.
CAUTION: Information to prevent damage to the components
when trying to complete a task.
IMPORTANT: Information that you MUST follow to complete a
task.
NOTE: Tips and additional information to aid in completing a task.
Wheretondmoreinformation
Refer to the following sources for additional information and for product
and software updates.
1. ASUS websites
The ASUS websites worldwide provide updated information on ASUS
hardware and software products. Refer to http://www.asus.com
2. Optional documentation
Your product package may include optional documentation that may
have been added by your dealer. These documents are not part of
the standard package.
viii
Takeback services
ASUS recycling and takeback programs come from our commitment to the
highest standards for protecting our environment. We believe in providing
solutions for our customers to be able to responsibly recycle our products,
batteries and other components as well as the packaging materials.
Please go to http://csr.asus.com/english/Takeback.htm for detail
recycling information in different region.
Product information fro EU energy label
1-1
ASUS USB Type-C Monitor MB166C
1.1 Welcome!
Thank you for purchasing the ASUS
®
Portable USB Monitor!
The latest ASUS Portable USB Monitor provides great portability and
simplicity to your daily life, enhancing both of your viewing experience and
style.
1.2 Package contents
Check your package for the following items:
Portable USB Monitor
Quick Start Guide
Warranty Card
USB Type-C Cable
Protective Sleeve
If any of the above items is damaged or missing, contact your retailer
immediately.
1-2
Chapter 1: Product Introduction
1.3 Monitor introduction
1.3.1 Front view
1
3 2
4
Menu
Brightness
1. Power
button/Power LED
Press this button to turn the monitor on/off.
The color definition of the power indicator is as the below table.
Status Description
Blue ON
Amber Standby mode
Dark OFF
2. Menu button
Press this button to enter the OSD menu.
3. Brightness
Adjust the energy level of
brightness
.
4. USB Type-C Port
1-3
ASUS USB Type-C Monitor MB166C
1.3.2 QuickFit Function
The QuickFit function contains two patterns: (1) Grid (2) Photo size.
1. Grid pattern: Facilitates designers and users to organize content and
layout on one page and achieve a consistent look and feel.
Alignment grid 1 will be rotated automatically if auto rotation is
enabled.
Alignment Grid1
Alignment Grid1
Alignment Grid1
Alignment Grid1
Auto rotation function is only working under Windows OS by installing
DisplayWidget software.
Alignment Grid2
2. Photo size: Provides photographers and other users to accurately
view and edit their photos in real size on the screen.
3x5
4x6
2-1
ASUS USB Type-C Monitor MB166C
2.1 Monitor standing positions
You can stand up the monitor by several positions with the protective
sleeve.
A B
A
B
2-2
Chapter 2: Setup
2.2 Connect the USB monitor with system
Type-C
Please make sure the host system connected supports USB Type C
“DisplayPort™ Alt Mode ” & USB Type C cable is correctly connected
between USB monitor and the host system.
3-1
ASUS USB Type-C Monitor MB166C
3.1 OSD (On-Screen Display) menu
3.1.1 Howtorecongure
Reading Mode
Darkroom Mode
Splendid
Standard Mode
sRGB Mode
Game Mode
Night View Mode
Theater Mode
Scenery Mode
sRGB Mode Type C 1920x1080@60Hz
ASUS MB166C
S
1. Press the MENU button to activate the OSD menu.
2. Press the button to toggle between options in the Menu. As you
move from one icon to another, the option name is highlighted.
3. To select the highlighted item on the menu press the button.
4. Press the button to select the desired parameter.
5. Press the button to enter the slide bar and then use the
button, according to the indicators on the menu, to make your
changes.
6. Select the to return to previous menu or to accept and return
to previous menu.
3-2
Chapter 3: General Instruction
3.1.2 OSD Function Introduction
1. Splendid
This function contains eight sub-functions that you can select for your
preference.
Reading Mode
Darkroom Mode
Splendid
Standard Mode
sRGB Mode
Game Mode
Night View Mode
Theater Mode
Scenery Mode
sRGB Mode Type C 1920x1080@60Hz
ASUS MB166C
S
Standard Mode: This is the best choice for document editing with
SPLENDID™ Video Intelligence Technology.
sRGB Mode: This is the best choice for viewing photos and graphics
from PCs.
Scenery Mode: This is the best choice for scenery photo displaying with
SPLENDID™ Video Intelligence Technology.
Theater Mode: This is the best choice for movie watching with
SPLENDID™ Video Intelligence Technology.
Game Mode: This is the best choice for game playing with SPLENDID™
Video Intelligence Technology.
Night View Mode: This is the best choice for playing dark-scene game
or watching dark-scene movie with SPLENDID™ Video Intelligence
Technology.
Reading Mode : This is the best choice for book reading.
Darkroom Mode : This is the best choice for a weak ambient light
environmen.
In the Standard Mode, the Saturation, SkinTone, Sharpness, and ASCR
functions are not user-configurable.
In the sRGB, the Saturation, Color Temp., SkinTone, Sharpness, Brightness,
Contrast and ASCR functions are not user-configurable.
In the Reading Mode, the Saturation, SkinTone, Sharpness, ASCR, contrast,
and Color Temp functions are not user-configurable.
3-3
ASUS USB Type-C Monitor MB166C
2. Blue Light Filter
Adjust the energy level of blue light emitted from LED backlight.
S
Blue Light Filter
Level 1
Level 2
Level 3
Level 4
Level 0
sRGB Mode Type C 1920x1080@60Hz
ASUS MB166C
Level 0: No change.
Level 1~4: The higher the level,the more blue light will be reduced.
When Blue Light Filter is activated,the default settings of Standard Mode will
be automatically imported.
Between Level 1 to Level 3, the Brightness function is user-configurable.
Level 4 is optimized setting. It is compliance with TUV Low Blue Light
Certification. The Brightness function is not user-configurable.
Please refer to the following to alleviate eye strains:
Users should take some time away from the display if working for long hours.
It is advised to take short breaks (at least 5 mins) after around 1 hour of
continuous working at the computer. Taking short and frequent breaks is more
effective than a single longer break.
To minimize eye strain and dryness in your eyes, users should rest the eye
periodically by focusing on objects that are far away.
Eye exercises can help to reduces eye strain. Repeat these exercises often. If
eye strain continues please consult a physician. Eye exercises: (1) Repeating
look up and down (2) Slowly roll your eyes (3) Move your eyes diagonal.
High energy blue light may lead to eye strain and AMD (Age-Related Macular
Degeneration). Blue light Filter to reduce 70% (max.) harmful blue light to
avoiding CVS (Computer Vision Syndrome).
3-4
Chapter 3: General Instruction
3. Color
Select the image color you like from this function.
Color
S
Brightness
Contrast
Saturation
Color Temp.
Skin Tone
sRGB Mode Type C 1920x1080@60Hz
ASUS MB166C
Brightness: The adjusting range is from 0 to 100.
Contrast: The adjusting range is from 0 to 100.
Saturation: The adjusting range is from 0 to 100.
Color Temp.: Contains three preset color modes (Cool, Normal, Warm)
and User Mode.
Skin Tone: Contains three color modes including Reddish, Natural, and
Yellowish.
In the User Mode, colors of R (Red), G (Green), and B (Blue) are user-
configurable; the adjusting range is from 0 ~ 100.
3-5
ASUS USB Type-C Monitor MB166C
4. Image
You can adjust the image Sharpness, Trace Free, Aspect Control,
VividPixel and
ASCR from this main function.
S
Sharpness
Aspect Control
VividPixel
A
Trace Free
SCR
Image
sRGB Mode Type C 1920x1080@60Hz
ASUS MB166C
Sharpness: Adjusts the picture sharpness. The adjusting range is from
0 to 100.
Trace Free: Speeds up the response time by Over Drive technology. The
adjusting range is from lower 0 to faster 100.
Aspect Control: Adjusts the aspect ratio to “Full”, “4:3”.
VividPixel: ASUS Exclusive Technology that brings lifelike visuals for
crystal-clear and detail-oriented enjoyment. The adjusting range is from
0 to 100.
ASCR: Select ON or OFF to enable or disable dynamic contrast ratio
function.
4:3 is only available when input source is in 4:3 format.
3-6
Chapter 3: General Instruction
5. System Setup
Adjusts the system conguration.
S
S
QuickFit
plendid Demo Mode
ECO M ode
OSD Setup
More
GamePlus
Language
Auto Rotation
System Setup
sRGB Mode Type C 1920x1080@60Hz
ASUS MB166C
S
System Setup
Power Indicator
OFF
Key Lock
Information
Power Key Lock
All Reset
sRGB Mode Type C 1920x1080@60Hz
ASUS MB166C
Splendid Demo Mode: Activate the demo mode for the Splendid
function.
Auto Rotation: To enable/disable rotate image automatically.Please be
noted that Auto rotation function is only working under Windows OS by
installing DisplayWidget software.
3-7
ASUS USB Type-C Monitor MB166C
GamePlus: The GamePlus Function provides a toolkit and creates a
better gaming environment for users when playing different types of
games. Particularly, Chrosshair function is specially designed for new
gamers or beginners interested in First Person Shooter (FPS) games.
To active GamePlus:
Select ON to enter the GamePlus main menu.
Press to select between Chrosshair, Timer and Display Alignment
function.
Press to confirm the function you choose. Select to go off, and
exit.
For the latest version of DisplayWidget software, please go to www.asus.com
product page to download and install.
3-8
Chapter 3: General Instruction
GamePlus main menu
GamePlus
Timer Display Alignment
Crosshair
Practive Mode
GamePlus-Crosshair
GamePlus-Timer
Position
QuickFit: See page 1-3 for details.
ECO Mode: Activate the ecology mode for power saving.
OSD Setup: Adjusts the OSD Timeout, DDC/CI, and Transparency of
the OSD screen.
3-9
ASUS USB Type-C Monitor MB166C
Language: Select OSD language. The selections are: English, French,
German, Spanish, Italian, Dutch, Russian, Poland, Czech, Croatia,
Hungary, Romania, Portugal, Turkey, Simplified Chinese, Traditional
Chinese, Japanese, Korean, Persian, Thai and Indonesian.
More: Return the next page of System Setting.
Key Lock: Disable all key functions. Pressing the menu button for more
than five seconds to disable key lock function.
Information:Displays the monitor information.
Power Indicator: Turn the power LED indicator on/off.
Power Key Lock: To disable / enable power key.
All Reset: Selects “Yes” to revert all settings to the factory default mode.
3-10
Chapter 3: General Instruction
6. Shortcut
Selecting this option allows you to set shortcut key.
S
Shortcut
Blue Light Filter
Splendid
Brightness
Contrast
Auto Rotation
Color Temp.
QuickFit
GamePlus
sRGB Mode Type C 1920x1080@60Hz
ASUS MB166C
Shortcut : User can select from “Blue Light Filter” “Splendid”,
“Brightness”, “Contrast”, “Auto Rotation”, “Color Temp.”,
“QuickFit”, “GamePlus” and set as shortcut key.
7. MyFavorite
Load/Save all settings on the monitor.
S
MyFavorite
Setting 1
Setting 2
Load
Save
Setting 3
Setting 4
sRGB Mode Type C 1920x1080@60Hz
ASUS MB166C
3-11
ASUS USB Type-C Monitor MB166C
3.2 Specications
Model MB166C
Panel Size 15.6” (16:9, 39.62cm) wide screen
Resolution 1920 x 1080
Brightness (Typ.)
250 cd/m
2
Contrast (Typ.) 800:1
Display Colors 262 K
Digital Input DisplayPort™ Alt Mode for USB Type-C™
Colors
Black
Power Consumption 8 W
Operating Temp. 0° ~ 40°
Phys. Dimension (WxHxD)
360.14 x225.64x11.8 mm
Box Dimension (WxHxD)
434 x 290 x 76 mm
Net Weight (Esti.)
0.8kg
Gross Weight (Esti.)
1.7kg
Regulation Approvals
cTUVus, CB, CE, CCC, KCC, FCC, BSMI, EAC(CU),
RCM, VCCI, J-Moss, UkrSEPRO, RoHS, WEEE,
Windows 7 & 8.1 & 10 WHQL, Blue light lter, Flicker
free, Energy Star 8.0
Voltage Rating
4.75-5.25V Or 8.55-9.45V Or 11.4-12.6V , 2.0A
*Specications are subject to change without notice.
3-12
Chapter 3: General Instruction
3.3 Troubleshooting (FAQ)
Problem Possible Solution
Power LED is not ON
Press the button to check if the monitor is
in the ON mode.
Check if the USB Type-C cable is
properly connected to the monitor and the
computer.
The power LED lights amber
and there is no screen image
Check if the monitor and the computer are in
the ON mode.
Make sure the USB Type-C cable is properly
connected between the Portable USB Monitor
and the computer.
Inspect the signal cable and make sure none
of the pins are bent.
Connect the computer with another available
monitor to check if the computer is properly
working.
Screen image is too light or
dark
Adjust the Brightness settings via the button.
Screen image bounces or a
wave pattern is present in the
image
Make sure the USB Type-C cable is properly
connected between the Portable USB Monitor
and the computer.
Move electrical devices that may cause
electrical interference.
Screen image has color
defects (white does not look
white)
Inspect the USB Type-C cable and make sure
that none of the pins are bent.
Problem Possible Solution
3-13
ASUS USB Type-C Monitor MB166C
After connecting with the
USB Type-C source device,
the power LED lights
continuously blinking or
showing ASUS logo repeatly
Insufficient power supply from source USB
Type-C devices. Please follow below steps:
Press the left function key, and then connect
the USB Type-C cable. This operation will
enable built-in safe mode. After displaying
ASUS logo, please release the Blue Light
Filter button. After ASUS Logo disappearing,
there is “safe mode” message OSD showing
up. Once “safe mode” message OSD
disappears, please set background color to
white image or nearly white image (*1).
Press MENU button, main menu OSD is
showing. The upper left corner of the OSD will
display small red-colored font “S”, indicating it
is now in safe mode. Enter brightness setup,
press the up key to tune up brightness. During
the process, please note down brightness
value “Y” up until MB166C re-start.(*2). For
example, if brightness value shows “70” and
MB166C restarts when adjusting to “71”,
“70” is the “Y” value to note down and is the
highest brightness value for the connecting
USB-C source device.
Press MENU button, main menu OSD is
showing. The upper left corner still indicate
“S” as safe mode. Adjust the OSD brightness
value to “Y”
Close the OSD and press Low Blue Low Filter
hot key for 5 seconds to turn off safe mode.
Complete.
*1: White color background will consume higher power, so it’s better to use
white color background to test the power limit from source USB Type-C
device.
*2: If MB166C does not re-start when adjusting to value 100, that means
source USB Type-C device has sufcient power supply.
3-14
Chapter 3: General Instruction
3.4 Supported Timing List
PC Supported Primary Timing
Resolution Refresh Rate Horizontal Frequency
640x480 60Hz 31.469kHz
800x600 60Hz 37.879kHz
1024x768 60Hz
48.363kHz
1280x960 60Hz 60kHz
1280x1024 60Hz 63.981kHz
1440x900 60Hz 55.935kHz
1680x1050 60Hz 65.29kHz
1920x1080 60Hz 67.5kHz
IBM Modes, Factory Preset Timing
Resolution Refresh Rate Horizontal Frequency
640x350 70Hz 31.469kHz
720x400 70Hz 31.469kHz
VESA Modes, User Available Timing
Resolution Refresh Rate Horizontal Frequency
848x480 60Hz 31.02kHz
1280x720 60Hz
44.772kHz
1280x800 60Hz 49.702kHz
1920x1080 60Hz 66.587kHz