ST4301K/ST5501K
LCD Monitor
User Manual
Disclaimer
BenQ Corporation makes no representations or warranties, either expressed or
implied, with respect to the contents of this document. BenQ Corporation reserves the
right to revise this publication and to make changes from time to time in the contents
thereof without obligation to notify any person of such revision or changes.
Copyright
Copyright 2018 BenQ Corporation. All rights reserved. No part of this publication may
be reproduced, transmitted, transcribed, stored in a retrieval system or translated into
any language or computer language, in any form or by any means, electronic, mechanical,
magnetic, optical, chemical, manual or otherwise, without the prior written permission
of BenQ Corporation.
Table of Contents 3
Table of Contents
Safety warnings and precautions ...................................... 5
Important safety instructions............................................ 6
Notes on the LCD panel of this display..................................... 6
Safety notice for remote control................................................. 7
Battery safety notice....................................................................... 7
BenQ ecoFACTS.............................................................................. 8
Package contents ................................................................. 9
Setting up the display........................................................ 10
Mounting the display.................................................................... 10
Installing the display on a wall.................................................... 10
Parts of the display and their functions ........................ 12
Rear panel....................................................................................... 12
Input/output terminals................................................................. 13
Input/output terminals................................................................. 13
Remote control............................................................................. 14
Using the remote control........................................................... 16
Connection ......................................................................... 18
Connecting audio/video signals ................................................. 18
Connecting power........................................................................ 19
Basic operations................................................................. 21
Turning the display on or off ..................................................... 21
Switching input signals ................................................................. 22
Adjusting audio volume level ..................................................... 22
Operations in the OSD menu ................................................... 23
Initial setup..................................................................................... 24
Setting........................................................................................... 24
Downloading software ................................................................ 24
Setting up the Internet connection .......................................... 25
Updating software ........................................................................ 26
Table of Contents4
Menu operations................................................................ 27
Settings menu................................................................................. 27
System settings .............................................................................. 33
Android system interface ................................................ 38
Main interface ................................................................................ 38
Multimedia files.............................................................................. 39
APPS ..................................................................................... 50
About All Apps.............................................................................. 50
Browser ........................................................................................ 51
X-Sign ............................................................................................ 52
BenQ Suggests......................................................................... 53
WPS Office.................................................................................. 54
Blizz ................................................................................................ 56
Product information.......................................................... 57
Specifications.................................................................................. 57
Dimensions..................................................................................... 60
Supported input signal resolution ............................................. 62
Troubleshooting................................................................. 64
10/23/18
Safety warnings and precautions 5
Safety warnings and precautions
THIS EQUIPMENT MUST BE
GROUNDED
To ensure safe operation, the three-pin
plug must be inserted only into a
standard three-pin power outlet which
is effectively grounded through normal
The lightning flash with arrowhead
symbol, within an equilateral triangle, is
intended to alert the user to the
presence of uninsulated “dangerous
voltage” within the product's enclosure
that may be of sufficient magnitude to
constitute a risk of electric shock to
persons.
The exclamation point within an
equilateral triangle is intended to alert
the user to the presence of important
operating and maintenance (servicing)
instructions in the literature
accompanying the appliance.
• The mains plug of the power supply cord shall remain readily operable. The AC
receptacle (mains socket outlet) shall be installed near the equipment and shall be easily
accessible. To completely disconnect this equipment from the AC mains, disconnect the
power cord plug from the AC receptacle.
• Do not place this display on an uneven, sloping or unstable surface (such as a trolley)
where it may fall and cause damage to itself or others.
• Do not place this display near water, like a spa or pool, or in a position which will allow
the splashing or spraying of water onto the display, like in front of an open window
where rain water may enter.
• Do not install this display in a confined space without proper ventilation and air
circulation, such as in a closed cabinet. Allow proper space around the display for
dissipating heat inside. Do not block any openings and vents on the display. Overheating
may result in hazards and electric shock.
• Installation of this display should only be performed by a qualified technician. Failure to
install this display properly may cause injuries and damages to the personnels and the
display itself. Check the installation regularly and maintain the display periodically to
ensure the best working condition.
• Use only the accessories approved or recommended by the manufacturer to mount this
display. Using wrong or unsuitable accessories may cause the display to fall and result in
serious personal injuries. Make sure that the surface and fixing points are strong enough
to sustain the weight of the display.
• To reduce the risk of electric shock, do not remove covers. No user serviceable parts
inside. Refer servicing to qualified service personnel.
• To prevent personal injuries, mounting the display or installing desktop stands is
required before use.
household wiring. Extension cords
used with the equipment must have
three cores and be correctly wired to
provide connection to the ground.
Wrongly wired extension cords are a
major cause of fatalities.
The fact that the equipment operates
satisfactorily does not imply that the
power outlet is grounded or that the
installation is completely safe. For your
safety, if you are in any doubt about
the effective grounding of the power
outlet, please consult a qualified
electrician.
Important safety instructions6
Important safety instructions
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer's
instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or
other apparatus (including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A
polarized plug has two blades with one wider than the other. A grounding-type plug
has two blades and a third grounding prong. The wide blade or the third prong are
provided for your safety. If the provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the
manufacturer, or sold with the apparatus. When a cart is used, use
caution when moving the cart/apparatus combination to avoid injury
from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long
periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the
apparatus has been damaged in any way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not operate normally, or has
been dropped.
Notes on the LCD panel of this display
• The Liquid Crystal Display (LCD) panel of this display has a very thin protective layer of
glass which is liable to marking or scratching, and cracking if struck or pressured. The
liquid crystal substrate is also liable to damage under excessive force or extreme
temperatures. Please handle with care.
• The response time and brightness of the LCD panel may vary with the ambient
temperature.
• Avoid placing the display in direct sun or where direct sun or spot lighting will shine
onto the LCD panel, as the heat may damage the panel and the external casing of the
display, and the bright light will make viewing the display more difficult than necessary.
• The LCD panel consists of individual pixels to display images and is manufactured
according to the design specifications. While 99.9% of these pixels work normally,
0.01% of the pixels may remain constantly lit (in red, blue or green) or unlit. This is a
technical limitation of the LCD technology and is not a defect.
Important safety instructions 7
• LCD screens, like plasma (PDP) and conventional CRT (Cathode Ray Tube) screens, are
also susceptible to 'screen burn-in' or 'image retention' which can be found on the
screen as visible fixed lines and shades. To avoid such damage to the screen, avoid
displaying still images (like On-Screen Display menus, TV station logos, fixed/inactive
text or icons) for more than 30 minutes. Change the aspect ratio from time to time. Fill
the entire screen with the image and eliminate the black bars whenever possible. Avoid
displaying images in 4:3 aspect ratio over a long period of time, otherwise there may be
visible burn marks on the screen as two vertical lines.
Note: Under certain circumstances, condensation may occur on the inner side of the
cover glass, it's a natural phenomenon and will not affect the operation of the display.
This condensation will usually disappear after around 2 hours of normal operation.
• ST series does not offer image retention function, for more information, please refer
to installation guide.
• For ST series, when the power goes out unexpectedly, please make sure the time zone
is correctly synced via the Internet, otherwise manual adjustment is needed.
Safety notice for remote control
• Do not put the remote control in the direct heat, humidity, and avoid fire.
• Do not drop the remote control.
• Do not expose the remote control to water or moisture. Failure to do so could result
in malfunction.
• Confirm there is no object between the remote control and the remote sensor of the
product.
• When the remote control will not be used for an extended period, remove the
batteries.
Battery safety notice
The use of the wrong type of batteries may cause chemical leaks or explosion. Please
note the following:
• Always ensure that the batteries are inserted with the positive and negative terminals in
the correct direction as shown in the battery compartment.
• Different types of batteries have different characteristics. Do not mix different types.
• Do not mix old and new batteries. Mixing old and new batteries will shorten battery life
or cause chemical leaks from the old batteries.
• When batteries fail to function, replace them immediately.
• Chemicals which leak from batteries may cause skin irritation. If any chemical matter
seeps out of the batteries, wipe it up immediately using a dry cloth, and replace the
batteries as soon as possible.
• Due to varying storage conditions, the battery life for the batteries included with your
product may be shortened. Replace them within 3 months or as soon as you can after
initial use.
• There may be local restrictions on the disposal or recycling of batteries. Consult your
local regulations or waste disposal provider.
Important safety instructions8
BenQ ecoFACTS
BenQ has been dedicated to the design and development of greener product as part of
its aspiration to realize the ideal of the “Bringing Enjoyment 'N Quality to Life” corporate
vision with the ultimate goal to achieve a low-carbon society. Besides meeting
international regulatory requirement and standards pertaining to environmental
management, BenQ has spared no efforts in pushing our initiatives further to incorporate
life cycle design in the aspects of material selection, manufacturing, packaging,
transportation, using and disposal of the products. BenQ ecoFACTS label lists key
eco-friendly design highlights of each product, hoping to ensure that consumers make
informed green choices at purchase. Check out BenQ's CSR Website at
http://csr.BenQ.com/ for more details on BenQ's environmental commitments and
achievements.
CLASS II equipment
~ AC voltage
Package contents 9
Package contents
Open the sales package and check the contents. If any item is missing or damaged, please
contact your dealer immediately.
LCD display
Power cord (by
region)
AAA battery x 2 Remote control
HDMI cable x 1 VGA cable x 1 Quick start guide
• The type of power cord supplied may differ from that illustrated depending on your region of
purchase.
• Before discarding the package, check that you haven't left any accessories inside the box.
• Dispose of packaging materials wisely. You can recycle the cardboard carton. Consider storing
the package (if possible) for future transport of the display.
• Do not leave plastic bags within reach of young children or babies.
Setting up the display10
ST4301K
ST5501K
Thickness
the wall
mounting
bracket
L2 mm
(L3”)
LCD
display
L1
mm
Setting up the display
Mounting the display
You can install the display on a vertical surface with a suitable wall mounting bracket or
on a horizontal surface with the optional desktop stands. Please pay attention to the
following notes during installation:
• This display should be installed by at least two adult persons. Attempting to install this
display by only one person may result in danger and injuries.
• Refer the installation to qualified technicians. Improper installation may cause the
display to fall or malfunction.
Installing the display on a wall
VESA Standard:
ST4301K: 200 x 400 (4 - M6)
ST5501K: 400 x 400 (4 - M6)
1. Place a clean, dry and lint-free cloth on a flat, horizontal and object-free surface.
Make sure that the size of the cloth is larger than the display.
2. Gently lay the display on the cloth with the LCD screen facing down.
3. Remove the desktop stands from the display if installed.
4. Identify the wall mounting screw holes on the back of the display as shown in the
illustration.
5. Install the wall mounting bracket on
the display and attach the display to
the wall according to the mounting
bracket’s instructions. The length of
the screw should exceed the thickness
of the wall mounting bracket, please
refer to below chart for each model.
Make sure that all screws are
tightened and secured properly.
(Recommended torque: 16 (+2/-2)
kgf/cm). The mounting means should
be strong enough to bear the weight
of the display.
• To maintain proper ventilation, keep at least 10 mm of
10mm
(0.39")
clear space from the back cover of the display to the
wall.
• Please consult a professional technician for wall mount
installations. The manufacturer accepts no liability for
installations not performed by a professional technician.
Setting up the display 11
Parts of the display and their functions12
MENU
INPUT
ST4301K
ST5501K
1
2
3
4
5
Parts of the display and their functions
Rear panel
No. Name Description
INPUT
/
/
MENU Open or close the OSD menu.
• Select/confirm options in On-Screen Display (OSD) menu.
• Select input sources.
• Scroll through settings and options in the OSD menu.
• Hot keys for audio volume adjustment.
Scroll through settings and options in the OSD menu up and
down.
Turn the display on or off.
ST4301K
ST5501K
123456789
10
Parts of the display and their functions 13
Input/output terminals
7
8
Input/output terminals
No. Name Description
RJ45 Connect to a network using the Ethernet cable.
USB Access multimedia files on USB drives directly.
DP Connect a video source to a display device.
HDMI Receive 4K2K 60Hz supported signals from an external device.
DVI Connect a video source.
VGA
PC AUDIO Receive audio signals from an external device.
LINE OUT Output audio signals to an external device.
RS232 Serial interface, used for mutual transfer of data between devices.
SD Connect with a high-capacity memory card.
Receive analog RGB signals from an external device (such as a
computer).
Parts of the display and their functions14
2
3
1
7
8
9
12
16
14
18
22
21
23
5 6
4
10
13
11
17
15
19
24
20
12345
678
9
10
11
12
13
Remote control
POWER
Turn the display on or off.
INPUT
Select the input source.
CH RETURN
TV Channel return
Note: It is only working on some specific regions.
INFO
Show the information of the current input source.
FAV
Favorite TV program
Note: It is only working on some specific regions.
Meeting mode
Change the display image to the different mode
under non-Android system Mode: Full, 4:3, Film,
Subtitle, PC mode.
MULTI-MEDIA buttons
The buttons are used to operate the media
functions under Multi-Media APP.
Numeric buttons (0-9)
Press to enter numbers.
SCREEN SHOT
Capture the printed screen and save to the USB
drive.
CHLIST ( )
Delete a character / view program list.
Note: It is only working on some specific regions.
MUTE
Turn on/off the sound.
VOL- / VOL+
Turn up/down the volume.
CH+ / CH-
Change program channels.
2
3
1
7
8
9
12
16
14
18
22
21
23
5 6
4
10
13
11
17
15
19
24
20
1415161718
192021
22
23
24
Parts of the display and their functions 15
WPS
Open the WPS office app in Android
M-Player
Open the Media Player app in Android.
X-Sign
Open the X-Sign app in Android.
Setting
Open the setting function in Android.
BLANK
Blank and mute the screen (the screen will turn
black) when the OSD menu is off. Press again to
resume.
MENU
Activate the OSD menu.
FREEZE
Freeze the screen.
OK
Confirm the selected options or save changes.
CURSOR KEYS (///)
Scroll through settings and options in the OSD
menu.
BACK ( )
Press this key to return to previous page.
HOME ( )
Show the main screen of Android system.
Parts of the display and their functions16
Using the remote control
Installing remote control batteries
1. Open the remote control battery compartment
cover.
2. Insert the supplied batteries ensuring that the
positive and negative marked battery terminals match
the (+) and (-) marks in the battery compartment.
The supplied batteries are provided for your convenience so
that you can operate the display straight away. You should
replace them as soon as possible.
3. Refit the battery compartment cover.
Parts of the display and their functions 17
Remote control usage tips
• Point and aim the top front of the remote control directly at the display’s remote
control sensor window when you press the buttons.
• Do not let the remote control become wet or place it in humid environments (like
bathrooms).
• If the display’s remote control sensor window is exposed to direct sunlight or strong
light, the remote control may not operate properly. In this situation, change the light
source, readjust the angle of the display or operate the remote control from a location
closer to the display’s remote control sensor window.
Keypad/remote control lock SOP
• Press and hold CH+ on remote control: Enable/Disable keypad function.
• Press and hold CH- on remote control: Enable/Disable remote control function.
Connection18
HDMI cable
Computer
Audio cable
D-Sub (15-pin) cable
Connection
Connecting audio/video signals
Pay attention to the following notes when you connect cables:
• Please turn off all devices.
• Familiarize yourself with the audio/video ports on the display and the devices you want
to use. Be aware that incorrect connections may adversely affect picture quality.
• Do not remove cables from the ports by pulling the cable itself. Always grasp and pull
the connectors at the end of the cable.
• Ensure that all cables are fully inserted and firmly seated.
Connecting the digital inputs
1. Connect the VGA jack on the display to the VGA output jack on a computer using a
D-Sub (15-pin) cable.
2. Connect the computer’s audio output jack to the PC AUDIO jack on the display
using a suitable audio cable.
3. Connect the HDMI output jack of a computer or A/V device (such as a VCR or
DVD player) to the HDMI input jack on the display using an HDMI cable.
4. To view a video image from this input, press the INPUT button and choose HDMI.
Connection 19
USB flash drive
ST4301K
ST5501K
Connecting the multimedia inputs
To view multimedia files on the USB flash drive, plug the USB flash drive in the USB port.
The USB ports can not be connected with the devices over 0.5A.
Connecting power
Plug one end of the power cord into the Power jack on the display and the other end
into an appropriate power outlet (if the outlet is switched, turn on the switch).
Connection20
• The supplied power cord is suitable for use with 100-240V AC power only.
• The power cord and outlet illustrated may differ from the ones used in your region.
• Only use an appropriate power cord for your region. Never use a power cord which appears
damaged or frayed, or change the plug type on the power cord.
• Be aware of the power loading when you use extension cords or multiple outlet power boards.
• There are no user serviceable parts in this display. Never unscrew or remove any covers.
There are dangerous voltages inside the display. Turn off the power and unplug the power cord
if you intend to move the display.
Basic operations 21
Power
Switch
MENU
INPUT
Power Button
Basic operations
Turning the display on or off
1. Be sure to follow the instruction of Connecting power on page 19.
2. Before turning on the display, make sure the Power switch is set to ON. The system
will enter standby mode.
The display’s standby mode still consumes power. To completely cut off power supply, set the
Power switch to OFF (O) and then disconnect the power cord from the power outlet.
• Only by switching on the master switch will either power button work. To turn on or off the
display, press the power button on the display’s control panel or on the remote control.
• Turning off the power still consumes power. The users have to un-plug the plug to completely
cut off the power supply.
Basic operations22
Switching input signals
Press the INPUT button and those signal selection buttons on the remote control or the
INPUT button on the control panel to select an input signal.
Adjusting audio volume level
• Press / on the control panel or VOL- / VOL+ on the remote control to adjust the
volume.
• Go to Setting
more information.
> Audio to adjust the volume. Refer to Audio settings on page 27 for
Basic operations 23
USB4
USB3USB3.0
USB2USB1 Coaxial-OUT
AC-IN
HDMI3
HDMI2ARC
HDMI1AUDIO-RAUDIO-LVIDEO AUDIO-OUT
AV-IN
OFF/ON LAN
MENU
INPUT
USB4
USB3USB3.0
USB2USB1 Coaxial-OUT
AC-IN
HDMI3
HDMI2ARC
HDMI1AUDIO-RAUDIO-LVIDEO AUDIO-OUT
AV-IN
OFF/ON LAN
MENU
INPUT
USB4
USB3USB3.0
USB2USB1 Coaxial-OUT
AC-IN
HDMI3
HDMI2ARC
HDMI1AUDIO-RAUDIO-LVIDEO AUDIO-OUT
AV-IN
OFF/ON LAN
MENU
INPUT
USB4
USB3USB3.0
USB2USB1 Coaxial-OUT
AC-IN
HDMI3
HDMI2ARC
HDMI1AUDIO-RAUDIO-LVIDEO AUDIO-OUT
AV-IN
OFF/ON LAN
MENU
INPUT
USB4
USB3USB3.0
USB2USB1 Coaxial-OUT
AC-IN
HDMI3
HDMI2ARC
HDMI1AUDIO-RAUDIO-LVIDEO AUDIO-OUT
AV-IN
OFF/ON LAN
MENU
INPUT
Operations in the OSD menu
Using the control panel buttons Using the remote control
1. Press MENU to open the OSD menu. 1. Press MENU to open the OSD menu.
2. In the OSD menu, press or to
select an item.
3. Press INPUT to confirm selections.
4. Press or to adjust settings and
press or to select a feature.
Press INPUT to save changes.
2. Press or to select an item.
3. Press INPUT to confirm selections.
4. Press and to select a feature
and press or to adjust settings.
Press OK to confirm changes.
5. Press MENU to close the OSD
menu.
5. Press
BACK to close the OSD menu.
Basic operations24
Initial setup
After you have connected the display to the power, you are ready to power on the
display. The first time you power on the display, you will be guided through a series of
setup screens. Follow the on-screen instructions or the steps below to start up your
display and complete the initial setup.
1. Turn on the display. Wait for the display to boot up with the BenQ screen. This may
take a moment.
2. Tap Next on the screen to begin. Follow the on-screen instructions to set up the
language, date and time, and network. Or your can skip some of these steps and
complete the setup later.
Setting
• Press MENU on the remote control or MENU button on the front panel to enter the
OSD menu. You can also select Setting on the home screen to go to the OSD menu.
• Under General, you can select a desired input source and adjust backlight. Refer to
Input settings on page 27 for more information.
Downloading software
BenQ may periodically release software updates that may add functions or applications
associated with your display. To check if there is a software update available for your
device or to obtain the software license key, please visit http://DSdownload.BenQ.com.
Then enter the serial number (can be found on the sticker attached on the back of the
display) and click OK to access the Software download page.
Basic operations 25
Setting up the Internet connection
Your display must be connected to a network to conduct OTA updates or surf the
Internet.
To find the MAC address in Android OS, please go to Setting > System > About > Status.
Network setting
On the home screen, go to Setting > System > About > Status. If there is no IP
address shown, please connect the display to the ethernet cable.
Wireless connection
You must use a wireless adapter in order to connect the display to the Internet
wirelessly. Please contact your local dealer for more information on configuring the
wireless connection.
1. Press
MENU on the remote control, or go to Network > WI-Fi.
Basic operations26
2. Set the switcher to On. A list of available networks will show on the screen.
3. Press /// on the remote control to select the network’s name and connect
to the network. The password is needed if it is your first time to use the network.
Key in the password and press Connect. The device is now connected to the
WLAN.
Updating software
Whenever a new version of software is available, the system will automatically detect the
update and will prompt you to download it every time you turn on the display. If you
want to update the software, choose NETWORK UPDATE or USB UPDATE to
continue the update. Or your can skip this step and update the software later.
To manually update the software:
1. Go to System > About > System updates.
2. If there is an update available, the system will begin updating.
• Software update process may take some time to complete.
• During the update process, do not turn off the device or disconnect the Internet connection.
Any interruptions during the software update process may permanently damage your display.
Menu operations 27
Menu operations
Settings menu
Input settings
Press MENU on the remote control or MENU button on the front panel to enter the
OSD menu.
• Press /// on the remote control and press OK to select a desired input
source.
• Press on the remote control to exit the menu.
• Use the brightness bar to adjust the brightness for the display.
Audio settings
Go to Audio to enter the Audio menu.
Menu operations28
• Press /// on the remote control and press OK to adjust the settings.
• Press on the remote control to exit the menu.
• Press/on the remote control to enable or disable Mute.
Menu Description
Volume Press / on the remote control to adjust the volume.
Balance Press / on the remote control to adjust the balance.
Sound mode Select a preset sound environment. Options are Standard,
Class, Meeting, Movie, or Custom.
Treble Press / on the remote control to adjust the treble.
Bass Press / on the remote control to adjust the bass.
Menu operations 29
Display settings
Leave the Android system and connect to other input sources like VGA or HDMI. Then
go to Display.
• Press /// on the remote control and press OK to confirm.
• Press on the remote control to exit the menu.
Menu Description
Zoom mode Press / on the remote control. Options are 16:9, 4:3, 1:1,
Full. You can also select Auto to adjust the image.
EDID Version Press / on the remote control and press OK to confirm.
Options are EDID 1.4, EDID 2.0.
• The display automatically enters energy saving mode when no one is detected within
the sensor’s range.
• The display automatically turns off when no one is detected within the sensor’s range
for a long period of time.
Menu operations30
Adjust settings (VGA-only)
Use the H. Position, V. P os it io n, Clock, and Phase functions to manually adjust the
image.
Menu Description
H. Position Press / on the remote control to move the screen to the left
or right.
V. Position Press OK on the remote control to lock or unlock the remote
control IR sensor on the front panel of the display.
Clock Clock adjusts how wide the input pixels are. Press / on the
remote control to make adjustments.
Phase Phase is in relation to frequency. Press / on the remote
control to make adjustments.
Menu operations 31
Picture settings
Leave the Android system and connect to other input sources like VGA or HDMI. Then
go to Picture.
• Press /// on the remote control and press OK to confirm.
• Press on the remote control to exit the menu.
Menu Description
Picture mode Press / on the remote control. Options are Custom,
Standard, Bright, Soft.
Brightness Press / on the remote control to adjust the brightness.
Contrast Press / on the remote control to adjust the contrast.
Hue Press / on the remote control to adjust the hue.
Sharpness Press / on the remote control to adjust the sharpness.
Saturation Press / on the remote control to adjust the saturation.
Color Press / on the remote control or click a preset color
temperature for the image. Options are Cool, Warm,
Standard.
Image Noise
Reduction
Press /on the remote control. Options are Off, Low,
Middle, High.
Menu operations32
More settings
Advanced settings (Android system)
Go to Device > Advanced settings.
• Press /// on the remote control and press OK to confirm.
• Press on the remote control to exit the menu.
Menu Description
Key lock Press / and OK on the remote control to enable or disable
Key lock.
IR lock Press / and OK on the remote control to enable or disable
IR lock.
Pixel shift Press / and OK on the remote control to set a pixel shift
preventing from image retention.
DCR Press / and OK on the remote control to enable or disable
DCR.
• The Key lock and IR lock functions can be enabled at the same time.
• For image retention, please see Notes on the LCD panel of this display on page 2 for more
information.
Menu operations 33
Other input sources
Leave the Android system and connect to other input sources like VGA or HDMI. Refer
to Advanced settings (Android system) on page 32 for more information about Key
lock, IR lock, Pixel shift, and DCR.
System settings
Go to System to enter the System menu.
• Press /// on the remote control and press OK to confirm.
• Press on the remote control to exit the menu.
Options Description
Date & time Select to set date, time, and their formats in Android.
Language &
input
Startup &
Shutdown
Factory data
reset
About Select to view system information in Android.
Select to set Language, Keyboard & Input methods in
Android.
Select to set Startup channel, Wake on LAN, and Power off
reminder. Refer to Startup & Shutdown on page 36 for more
information.
Select Factory data reset to erase all data from the display.
Menu operations34
The amount of available storage space for the user varies according to the amount of pre-installed
apps and images occupying the total storage space.
Proxy setting
• Go to Network > Proxy.
• Check the box of Proxy Switch to enable or disable the function.
• Enter the proxy host name.
• Enter the using channel.
Menu operations 35
Menu operations36
Startup & Shutdown
• Go to System > Startup & Shutdown.
• For Startup channel, you can choose Last channel or other sources.
Menu operations 37
• For Power off reminder, you can adjust startup and shutdown time. Schedules can be
made by choosing the days of the week.
Android system interface38
Android system interface
Note that this is a closed Android OS. Download and use of unauthorized apps on this system
are not available.
Main interface
The display launches the Android main interface by default.
To navigate the Android main interface, press
OSD menu to select an input.
MENU on the remote control to enter the
Android system interface 39
Multimedia files
Multimedia files such as images, audio files, and videos can be played by directly tapping
on the file icon.
Image
Select an image file you want to show on the display and perform any of the functions
shown on the screen.
Icon Function
Play the previous image.
Play the next image.
Magnify the current image.
Shrink the current image.
Rotate the current image counter-clockwise.
Rotate the current image clockwise.
Supported image format (maximum resolution)
Image Photo
JPEG Base-line 1920 x 1080
Progressive 1024 x 768
PNG Non-interlace 1920 x 1080
Interlace 1920 x 1080
BMP 15360 x 8640
(width x height)
Resolution
Android system interface40
Audio
Select an audio file you want to play and perform any of the functions shown on the
screen.
Icon Function
Play the previous audio file.
Play/pause the current playback.
Play the next audio file.
Repeatedly play audio files in the playlist.
Check audio files in the playlist.
Android system interface 41
Supported audio format (Codec)
Audio Codec Sample rate Channel Bit rate Container
MPEG1/
2 Layer1
MPEG1/
2 Layer2
MPEG1/2/2.5
Layer3
16KHz~
48KHz
16KHz~
48KHz
8KHz~
48KHz
AC3 32KHz,
44.1KHz,
48KHz
Up to 2 32Kbps~
448Kbps
Up to 2 8Kbps~
384Kbps
Up to 2 8Kbps~
320Kbps
Up to 5.1 32Kbps~
640Kbps
MP3 (.mp3)
AVI (.avi )
ASF (.asf)
DivX (.divx)
Matroska (.mkv,
.mka)
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov, m4a)
MPEG
transport
stream (.ts, .trp,
.tp)
MPEG program
stream (.DAT,
.VOB, .MPG,
.MPEG)
FLV (.flv)
WAV (.wav)
AC3 (.ac3)
AVI (.avi )
DivX (.divx)
Matroska (.mkv,
.mka)
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov, m4a)
MPEG
transport
stream (.ts, .trp,
.tp)
MPEG program
stream (.DAT,
.VOB, .MPG,
.MPEG)
Android system interface42
Audio Codec Sample rate Channel Bit rate Container
EAC3 32KHz,
44.1KHz,
48KHz
AAC, HEAAC 8KHz~
48KHz
Up to 5.1 32Kbps~
6Mbps
Up to 5.1 AAC-LC:
12kbps~576kbps
V1:
6kbps~288kbps
V2:
3kbps~144kbps
EC3 (.ec3)
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov, m4a)
MPEG
transport
stream (.ts, .trp,
.tp)
MPEG program
stream (.DAT,
.VOB, .MPG,
.MPEG)
AAC (.aac)
AVI (.avi )
Matroska (.mkv,
.mka)
DivX (.divx)
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov, m4a)
MPEG
transport
stream (.ts, .trp,
.tp)
MPEG program
stream (.DAT,
.VOB, .MPG,
.MPEG)
FLV (.flv)
RM (.rm, .rmvb,
.ra)
WAV (.wav)
Android system interface 43
Audio Codec Sample rate Channel Bit rate Container
WMA 8KHz~
48KHz
Up to 2 128bps~320Kbps ASF (.wma,
.wmv, .asf)
AVI (.avi )
Matroska (.mkv,
.mka)
WAV (.wav)
*WMA7,
WMA8,
WMA 9
Standard
WMA 10 Pro M0 8KHz~
48KHz
WMA 10 Pro M1 8KHz~
48KHz
WMA 10 Pro M2 8KHz~
Up to 2 <192kbps ASF (.wma,
.wmv, .asf)
Up to 5.1 < 384kbps
AVI (.avi )
Matroska (.mkv,
.mka)
Up to 5.1 < 768kbps
WAV (.wav)
96KHz
VORBIS Up to 48KHz Up to 2 Matroska (.mkv,
.mka)
WebM (.webm)
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov, .m4a)
DTS Up to 48KHz Up to 5.1 < 1.5Mbps
(Pure DTS core)
*Supports
stereo decoding
only
MPEG
transport
stream (.ts, .trp,
.tp)
MPEG program
stream (.DAT,
.VOB, .MPG,
.MPEG)
WAV (.wav)
Matroska (.mkv,
.mka)
Android system interface44
Audio Codec Sample rate Channel Bit rate Container
LPCM 8KHz~
48KHz
IMA-ADPCM
MS-ADPCM
8KHz~
48KHz
Mono,
64Kbps~1.5Mbps WAV (.wav)
Stereo, 5.1
Up to 2 32Kbps~
384Kbps
G711 A/mu-law 8KHz 1 64Kbps
LBR (cook) 8KHz
Up to 5.1 6Kbps~128Kbps Matroska (.mkv,
11.025KHz,
22.05KHz,
44.1KHz
AVI (.avi )
Matroska (.mkv,
.mka)
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov, .m4a)
MPEG
transport
stream (.ts, .trp,
.tp)
MPEG program
stream (.DAT,
.VOB, .MPG,
.MPEG)
WAV (.wav)
AVI (.avi )
Matroska (.mkv,
.mka)
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov, .m4a)
.mka)
RM (.rm, .rmvb,
.ra)
FLAC 8KHz~
96KHz
DRA 8KHz~
96KHz
Up to 7.1 < 1.6Mbps Matroska (.mkv,
.mka)
Up to 7.1 < 6Mbps MPEG
transport
stream (.ts, .trp)
Android system interface 45
Video
Select a video file you want to play on the display and perform any of the functions shown
on the screen.
Icon Function
Play the previous video file.
Fast rewind the current video.
Play/pause the current playback.
Fast forward the current video.
Play the next video file.
Check video files in the playlist.
Supported video format (Codec) Up to 4K resolution:
Video
Codec
Resolution Bit rate Profile Container
VP9 4096x2160@60fps 100Mbps .Profile 0, (420,
8bit)
.Profile 2, (420,
10bit)
MKV (.mkv)
WebM (.webm)
Android system interface46
Video
Codec
HEVC/H.265 4096x2160@60fps 100Mbps Main/Main10
Resolution Bit rate Profile Container
MP4 (.mp4,
Profile, High
Tier@Level 5.1
.mov)
3GPP (.3gpp,
.3gp)
MPEG
transport
stream (.ts, .trp,
.tp)
MKV (.mkv)
MPEG1/2 1080P@30fps 40Mbps MP@HL MPEG program
stream (.DAT,
.VOB, .MPG,
.MPEG)
MPEG
transport
stream (.ts, .trp,
.tp)
MP4 (.mp4,
.mov)
3GPP (.3gpp,
.3gp)
AVI (.avi )
MKV (.mkv)
MPEG4 1080P@30fps 40Mbps Simple Profile
Advanced
Simple
Profile@Level 5
GMC is not
supported
DivX 3.11,
1080P@30fps 40Mbps DivX (.divx)
DivX 4.12,
DivX 5.x,
DivX 6, XviD
Sorenson
1080P@30fps 40Mbps FLV (.flv)
H.263
MP4 (.mp4,
.mov)
3GPP (.3gpp,
.3gp)
AVI (.avi )
MKV (.mkv)
MP4 (.mp4,
.mov)
AVI (.avi )
MKV (.mkv)
AVI (.avi )
Android system interface 47
Video
Codec
Resolution Bit rate Profile Container
H.263 1080P@30fps 40Mbps FLV (.flv)
MP4 (.mp4,
.mov)
3GPP (.3gpp,
.3gp)
AVI (.avi )
MKV (.mkv)
H.264 1080Px2@30fps
1080P@60fps
62.5Mbps Main Profile
High
Profile@Level
4.2
FLV (.flv)
MP4 (.mp4,
.mov)
3GPP (.3gpp,
.3gp)
MPEG
transport
stream (.ts, .trp,
.tp)
ASF (.asf)
WMV (.wmv)
AVI (.avi )
MKV (.mkv)
MVC 1080P@30fps 62.5Mbps MPEG
transport
stream (.ts, .trp,
.tp)
AVS 1080P@60fps 50Mbps Jizhun
profile@Level
6.0
AVS+ 1080P@60fps 60Mbps Broadcasting
profile@Level
6.0.1.08.60
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov)
MPEG
transport
stream (.ts, .trp,
.tp)
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov)
MPEG
transport
stream (.ts, .trp,
.tp)
Android system interface48
Video
Codec
Resolution Bit rate Profile Container
WMV3 1080P@30fps 40Mbps ASF (.asf)
AVI (.avi )
MKV (.mkv)
WMV (.wmv)
VC1 1080P@30fps 40Mbps Advanced
Profile@Level 3
Simple Profile
Main Profile
MPEG
transport
stream (.ts, .trp,
.tp)
ASF (.asf)
WMV (.wmv)
AVI (.avi )
MKV (.mkv)
Motion JPEG 1280x720@30fps 40Mbps AVI (.avi)
3GPP (.3gpp,
.3gp)
MP4 (.mp4,
.mov)
MKV (.mkv)
VP8 1920x1080@30fps 20Mbps MKV (.mkv)
WebM (.webm)
RV30/RV40 1080P@60fps 40Mbps RM (.rm, .rmvb)
MKV (.mkv)
Android system interface 49
Browser
When connected to a network, click on the browser icon to surf the Internet. Click on
the symbol X in the upper left corner to close it.
Menu
Refer to Settings menu on page 27 for details.
APPS50
APPS
Select the application that you want to access. Using the remote control: Press the /
// button to select your desired application and press the OK button to launch
the application.
About All Apps
To operate the Android OS, use the buttons on the remote control.
Application Name/Icon Description
X-Sign ()
Browser ()
BenQ Suggests ()
Setting ()
WPS Office ()
Blizz ()
Clock ()
Edit contents with X-Sign Designer. Refer to X-Sign on
page 52 for more information.
Access the web pages. Refer to Browser on page 51 for
more information.
Show the Android apps suggested by BenQ. Refer to
BenQ Suggests on page 53 for more information.
Configure the network and device settings. Refer to Menu
operations on page 27 for more information.
Read and edit the files in Office formats, including, *.doc,
*.txt, *.xls, and *.ppt. Refer to WPS Office on page 54 for
more information.
Allow a video conference meeting with any other Blizz
users. Refer to Blizz on page 56 for more information.
Adjust the time.
APPS 51
Browser
Tap to launch Browser. With this application, you can view web pages.
Before launching the application, make sure your display is properly connected to the lnternet.
Tap the icon on the top panel to activate its function. Slide on the screen to scroll the
viewed page.
Function Description
Address Bar Enter the web page address to view the page.
Settings ( )
Back ( )
Next ( )
Refresh ( )
Favorite ( )
Search ( )
Bookmarks ( )
Close ( )
Tap to configure the browser settings.
Tap to return to the previous page.
Tap to go to the next page.
Tap to reload the current web page.
Tap to save the current web page to bookmarks.
Tap to search the Internet.
Tap to select bookmarks, history, or saved favorite web
pages to visit.
Tap to close the current web page.
APPS52
X-Sign
Tap to launch X-Sign. X-Sign is a content player app. Users can edit contents with
X-Sign Designer by their PCs or laptops.
After editing the contents, users can import the file to the display through USB flash
drive. The contents will then be played automatically.
X-Sign Designer can be downloaded from BenQ website. Please refer to the
postcard in the accessory pack for the instructions.
APPS 53
BenQ Suggests
Tap to launch BenQ Suggests. With this application, you can view apps suggested
by BenQ for download.
Tap the category on the left panel to browse the suggested apps. Tap an app from the
selected category to view a basic description of the app.
Function Description
Search ()
Education ()
Corporation ()
Exit () Tap to close BenQ Suggests.
Tap to search for an app.
Tap to show the suggested apps in the Education
category.
Tap to show the suggested apps in the Corporation
category.
APPS54
WPS Office
Tap to launch WPS Office. With this application, you can open document files
including PDFs as well as Microsoft Word, PowerPoint and Excel documents.
To edit a file with WPS Office:
Function Description
Open Tap to browse and open a file.
Share Tap to share your files through email or other sharing applications.
Manage Tap to edit or manage the document.
1. Tap Open ( ) on the left panel to browse and open a file located in either the dis-
play’s internal memory, an external storage device, or cloud storage.
2. Tap the function menu on the top panel to access the file format's various functions.
The description below is for a Powerpoint file, the function menus for other file formats will vary.
APPS 55
Function Description
File Tap to open, save, share, print, and manage your presentations.
View Tap to change or edit the presentation views.
Play Tap to start or set up a slide show.
Edit Tap to edit the content or format of the slides.
Insert Tap to insert tables, pictures, charts, comments, video, or audio.
Transitions Tap to apply or adjust the timing of a transition.
Pen Tap to write, draw, paint or sketch to the slides.
Play ()
Save As ()
Undo ()
Redo ()
Close ()
Back ()
Next ()
Exit ()
Tap to start a slide show.
Tap to save the presentation file on either the display’s internal
memory, an external storage device, or cloud storage.
Tap to undo an action.
Tap to redo the last action.
Tap to close the presentation file.
Tap to return to the previous page.
Tap to go to the next page.
Tap to exit WPS Office.
Supported Office versions and file formats
Supported Office versions: 97 / 2000 / XP/ 2003 / 2007 / 2010
Supported Office software formats:
Office Software Supported File Formats
Word wps / wpt / doc / docx / dot / dotx / txt / log / irc / c / cpp /
Excel et / ett / xls / xlsx / xlt / xltx / csv / xlsm / xltm
PowerPoint ppt / pptx
h / asm / s / java / asp / bat / bas / prg / cmd
APPS56
Blizz
Blizz is a video-conferencing app that is installed in the display by default. It allows you to
conveniently conduct video conference meetings with any other Blizz users.
1. On the home screen, select Apps >Blizz ()
2. Select Sign In if you want to create a new meeting, select Join a Meeting if you
want to join an already created meeting.
- After signing in, create a meeting ID which will be the meeting ID other users will
enter to join the meeting.
- If joining a meeting, enter the meeting ID provided by the creator of the meeting in
the Join a Meeting page.
Product information
Specifications
Product information 57
LCD panel
Input
Output
Audio
Power
Item
Backlight D-LED
Panel size
Pixel pitch (mm)
Frame Rate 60 Hz
Native resolution (pixels) UHD 3840 x 2160
Active Area (mm)
Brightness (cd/m
Contrast (typical)
Response time (ms)
(typical)
Panel Bit 10 bit (1.07B)
Aspect Ratio 16:9
Video VGA INx1, HDMI Input x2 (1.4 x 2)
Audio Line in (3.5mm)
USB (Type A) x3 (2.0 x 3)
Control / Android LAN (10/100 Mbps)
TV Tuner X
Audio Line out (3.5mm)
External speaker out (L/R) X
Audio W (Amp)
Internal speaker O
Supply 100 - 240 V AC, 50/60 Hz
Consumption Max.
Consumption Standby ≤0.5W
2
) (typical)
ST4301K: 0.4902(H) x 0.4902(V)
ST4301K: 941.184(H) × 529.416(V)
ST5501K:1209.6(H) × 680.4(V)
Specifcations
ST4301K/ST5501K
ST4301K: 43"
ST5501K: 55"
ST5501K: 0.315(H) x 0.315(V)
350 nits
ST4301K: 1100:1
ST5501K: 1200:1
8
ST4301K: 5W x2
ST5501K: 5W x2
ST4301K: 98W
ST5501K: 140W
Product information58
Environment
Mechanical
Feature
Operating Temperature
ST4301K: 5
ST5501K: 0
o
C ~ 40oC
o
C ~ 40oC
ST4301K: 20% ~ 85% RH Non-Condensing
Operating Humidity
ST5501K: 20% ~ 85% RH Non-Condensing
(without condensation)
Storage Temperature
ST4301K/ST5501K: -10
o
C ~ 60oC
ST4301K: 10% ~ 90% RH Non-Condensing
Storage Humidity
ST5501K: 10% ~ 90% RH Non-Condensing
(without condensation)
Display Orientation Landscape & Portrait
Weight (without packing /
with packing) (kg)
Dimensions (W x H x D)
(mm)
Bezel Dimension - T/B/L/R
(mm)
ST4301K: 10.4kg/12.9kg
ST5501K: 15kg/20.8kg
ST4301K: 969.9 x 558.3 x 84.8(mm)
ST5501K: 1243.2 x 714 x 69.6(mm)
ST4301K: 13 / 13 / 13 / 13
ST5501K: 13.9 / 13.9 / 13.9 / 13.9
Image setting O
Picture mode O
Sharpness enhancement O
10-bit color processing O
Source / volume control O
HDMI-HDCP 2.2
Scheduling O
Internal Temperature
Sensor
O
CEC Control O
Low Blue Light O
FW Update USB/OTA
Power Mode O
Boot Source O
Specifcations and functions are subject to change without notice.
Product information 59
Item
ST4301K/ST5501K
CPU ARM Cortex A53 1.5GHz Quad core
System
System
Memory
2 GB
Storage 16 GB
OS Android 6.0
• OS: This Android 6.0 operating system is not standard Android, so access to Google Play™ is
not available. APK cannot be installed in the default location. Without management permission,
installing function won’t work. There is no guarantee that the self-installed APK can function
normally.
• Storage: Content storage may vary by the product supplied for your region. Pre-installed
system and apps may take up some space.
Product information60
Dimensions
ST4301K
Unit: mm
ST5501K
Product information 61
Unit: mm
Product information62
Supported input signal resolution
Resolution
640 x 480 @ 60Hz
640 x 480 @ 67Hz
640 x 480 @ 72Hz
640 x 480 @ 75Hz
720 x 400 @ 70Hz
800 x 600 @ 60Hz
800 x 600 @ 75Hz
832 x 624 @ 75Hz
1024 x 768 @ 60Hz
1024 x 768 @ 75Hz
1152 x 870 @ 75Hz
1280 x 720 @ 60Hz
1280 x 768 @ 60Hz
1280 x 800 @ 60Hz
1280 x 960 @ 60Hz
1280 x 1024 @ 60Hz
1360 x 768 @ 60Hz
1366 x 768 @ 60Hz
1400 x 1050 @ 60Hz
1440 x 900 @ 60Hz
1600 x 1200 @ 60Hz
1680 x 1050 @ 60Hz
1600 x 1050 @ 60Hz
1920 x 1080 @ 50Hz
1920 x 1080 @ 60Hz
3840 x 2160 @ 30Hz
3840 x 2160 @ 50Hz
3840 x 2160 @ 60Hz
NTSC-M
NTSC-J
PAL -BDGHI
480i (60Hz)
Input source
VGA DVI HDMI 1.4 HDMI 2.0
480p (60Hz)
576i (50Hz)
576p (50Hz)
720p (25Hz)
720p (30Hz)
720p (50Hz)
720p (60Hz)
1080i (50Hz)
1080i (60Hz)
1080p (24Hz)
1080p (25Hz)
1080p (30Hz)
1080p (24Psf)
1080p (25Psf)
1080p (50Hz)
1080p (60Hz)
• : supported
• Blank: not supported
Product information 63
Troubleshooting64
Troubleshooting
Problem Solution
No picture
No sound
The computer input
image looks strange.
The control panel
buttons do not work.
Check the following:
• Is the display turned on? Check the power indicator of the
display.
• Is the signal source device turned on? Turn on the device
and try again.
• Are there any loose cable connections? Make sure that all
cables are connected firmly.
• Have you chosen an unsupported output resolution on
the computer? Refer to Supported input signal resolution
on page 62 to select a supported resolution and try again.
• Have you chosen an unsupported output resolution on
the DVD or Blu-ray disc player? Refer to Supported input
signal resolution on page 62 to select a supported
resolution and try again.
Check the following:
• Have you turned on the mute function on the display or
the input source device? Turn off the mute function or
increase the audio volume level and try again.
• Are there any loose cable connections? Make sure that all
cables are connected firmly.
• Have you chosen an unsupported output resolution on
the computer? Refer to Supported input signal resolution
on page 62 to select a supported resolution and try again.
• Use the Auto function to let the display automatically
optimize the display of computer image. Refer to Display
settings on page 29 for more information.
• If the result of the Auto Tune function is not satisfactory,
use the Phase, Horizontal Position, and Vertical
Position functions to manually adjust the image.
Have you locked the control panel buttons? Unlock the
buttons and try again.
The remote control does
not work.
Troubleshooting 65
• Have you locked the remote control function? Unlock the
function and try again.
• Check for incorrect battery orientation.
• Check for dead batteries.
• Check your distance and angle from the display.
• Check whether remote control is properly being pointed
at the display’s remote control sensor window.
• Check for any obstacle between the remote control and
the remote control sensor window.
• Check that the remote control sensor window is not
under strong fluorescent lighting, or in direct sunlight.
• Check for any devices (computer or personal digital
assistant, PDA) nearby that transmit infrared signals which
may cause interference to signal transmission between the
remote control and the display. Turn off the infrared
function of these devices.
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