A2T 75C1U User manual

Instruction Manual
A2T 75C1U 75" Professional Monitor

3
Contents
Safety Warnings and Precautions.....................................................................................4
Installation & Connection............................................................................................................7
Packing List..................................................................................................................................................8
Interfaces.......................................................................................................................................................9
Panel Controls......................................................................................................................................10
Remote Control...................................................................................................................................11
Basic Operations...............................................................................................................................13
Instructions for Android OS...................................................................................................16
Troubleshooting...................................................................................................................................21
Technical Specifications ...........................................................................................................22

4
Safety Warning and Precautions
Thanks for purchasing our high-performance Professional Monitor. All factors
ensuring personal safety have been considered when designing the product and
it has passed our rigid tests before delivery. However, improper installation or use
may cause electric shock or fire, etc. To ensure your safety, prolong the service
life of the product and give full play to optimum performance, please read and
understand these instructions and nameplates carefully before use and follow them
strictly in use.
Immediately shutdown your A2T Professional Monitor if...
 •Poweroutageorunstablevoltage.
 •Theproductemitsabnormalsoundsorsmell.
 •ACpowercordisdamaged
 •Damageoccursduetofall,strikeorimpact.
 •Anyliquidorexternalobjectentersthehousing.

5
Warnings
•Donotusethepowersourceotherthan
AC 220V, 50Hz.
•Allconnectingcablesshallbeconnected
to and disconnected from the interfaces
only when power is disconnected.
•Donotinstallonanunstableplace,as
it may fall down and cause damage, or
even fire.
•DonotexposetheProfessionalMonitor
to:
1.Directlight,andhumid,veryhot,cold
or dusty environment.
2.Environmentwhereexplosiveand
inflammable substances are stored or
used.
3. Environment filled with combustible or
corrosive gases.
4. Bath rooms and kitchens, etc.
•Donotuseanydamagedorunsuitable
socket and ensure reliable contact
between the plug and socket.
•Ensurethepowerplugandsocketisnot
affected by dust and metal impurities.
•Donotdamagethepowercord:
1.Donotretthepowercord.
2.Donotplaceanyheavyobjectonthe
power cord.
3. Keep the power cord away from the
heat source.
4.Donotpullthepowercordwhen
removing the power plug.
•Donotconnecttoomanyplugsinparallel
tothesamesocket,orexcessivepower
as it may cause fire.
•Keepthedeviceawayfromopenre(e.g.
a lit candle), as it may cause electric
shock or fire.
•Keeptheproductawayfromwaterdrops
orsplashes.Donotputanycontainer
filled with water on the product, or there
could be a risk of fire or electric shock.
•Donotinsertanysharpormetalobjector
pouranyliquidintothesignalconnector
or ventilation holes, or there could be a
risk of short circuit, product damage or
electric shock.
•Theventilationholesinthehousingare
designed to protect the product against
overheating and ensure the inside
components are durable and reliable. Be
careful not to block the holes.
•Donottouchtheplugwithawethand,or
it may cause electric shock.
•Donotusetheproductincaseof
rainstorm and especially thunder and
lightning; please disconnect the power
supply and antenna plug timely to
prevent from thunderstrike.
•Foryoursafety,youarenotallowedto
disassemble the product in any manner,
or it may cause electric shock or fire.
Please contact professional technicians
for repair.

6
Warnings
•Donotallowthechildrentoclimbonthe
product.
•Keepsmallattachmentsoutofreachof
children to avoid accidental swallowing.
•Iftheproductwillnotbeusedinalong
time, please power it off and remove the
power plug.
•Whenthepositionorangleoftheproduct
needstobeadjusted,pleasedisconnect
all cable connections and move it slowly
to prevent it from falling.
•Donotuseanyotherhardobjecttorub,
knock on, warp or press the screen.
•Ifyoumovetheproductfromalow
temperature place to a high temperature
place, please wait a while before use.
Otherwise, it could have a fault due to
condensation.
•Beforecleaningtheproduct,please
disconnect the power plug; wipe it with
soft cloth. Note to use no industrial
chemical agent for cleaning and prevent
anyexternalobjectfromentering
theproduct.Impropercleaning(e.g.
detergent and water, etc.) may damage
the product appearance, remove the
information printed on the product and
even enter the internal components to
cause damage and display failure.
•Ifthescreendisplaysthesameimage
forlongorstablelettersandiconsexist
in the moving image for long, a “ghost”
may reside on the screen and will not
disappear.
•IftheLCDscreenisbrokenandliquid
splashes on your skin, please wash with
clean water for 15min and seek medical
advice.
•Whenhandlingtheproductwithhands,
please hold four corners tightly and prop
thebottom,butdonotexertforceonthe
panel.
•Healthyuseoftheproduct:Pleaseuse
it under suitable light; insufficient light
or long watching time may damage your
eyesight.
•Ifyouuseanypowerplugorappliance
coupler as the disconnection device,
please ensure they are easy to operate.
•Insertthepowerplugintothepower
socket reliably. Unreliable connection
could cause sparks or a fire.
•Thetechnicalparametersprovidedboth
in this Manual and on the outer package
aresubjecttochangewithoutfurther
notice; in case of any difference between
actual operation and the descriptions
herein, the former shall prevail.
(Continued)
Ifyouhaveanyquestionsonoperation,
debugging and connection of the touch
screen, please contact the dealer in your
area; if the product does not work normally,
disconnect the power immediately and
consult the dealer.

7
Installation and Connection
Donotobstruct
air circulation
Donotobstruct
air circulation
•PlacetheProfessional Monitor nearby
an AC power socket which is easy to plug
and unplug.
•Foryoursafety,youarerecommendedto
use a suitable wall bracket or base.
•Topreventinjuries,pleaseplacethe
product on a stable and even plane or
fasten it on a firm wall.
•Iftheproductneedstobemountedon
the wall, ask the professional technicians
for help. Improper installation may cause
unreliable installation of the product.
•Donotputtheproductinaplacewith
the possibility of mechanical vibration.
•Donotputtheproductinaplacewhere
bugs may enter easily.
•Donotinstalltheproductfacinganair
conditioner, or it may cause some fault
due to condensation of internal panel.
•Donotputtheproductinaplace
with strong electromagnetic field,
or it may suffer from interference of
electromagnetic wave and damage.
Ventilation
•Pleasekeepthisspaceatleastaround
theTV,asshowninthegures(right).
•Donotcovertheairventsorinsertany
objectintotheenclosure.
•Donotputthedeviceinlimitedspace,
e.g. bookcase or embedded closet,
unless the TV set is properly ventilated.
Base Mount
Wall Mount

8
1xProfessionalMonitor
1xRemotecontrol
1xUser’smanual
1xPowercord
1xWarrantycard
1xCerticateofquality
2xBatteries
Packing List

9
1. TVaerial(RF)
2. HDMI3(MHL)whenconnectedto
equipmentwithMHLfunctionality,
selectHDMI3asthesource.
3. USB 2.0
4. USB 2.0
5. Power
6. Coaxialoutput(optional-referto
device)
7. LAN(NetworkInput)
8. HDMI1Input
9. HDMI2Input
10. VGA
11.AVInputVideo(Yellow),Audio-L
(White),Audio-R(Red)
12. Audio Output
Notes
•Whenyouneedtoconnectthedevice
which supports the ARC function, please
selecttheHDMI-2interface.TheARC
function is optional, please refer to the
device.
•HDMIconnectoriscompatiblewithDVI.
•ThenumberofHDMIandUSB
interfaces are variable, according to the
configuration of machine.
Interfaces
AUDIO OUT
HDMI 3 (MHL)
COAXIAL OUT

10
Panel Controls
1.PowerLEDindicatorandIRsensor.
2. Power switch.
3. Menu key: Press this key to display the
mainmenu.IntheOn-screenDisplay
(OSD)menuoperation,pressthiskeyto
return to the previous menu, the function
is the same as with pressing the [MENU]
key on the remote control.
4. Standby button: To switch the TV on or
back to standby. Can also be done on
the remote control.
5. Rocker button keys:
Press OK (Rocker):
A.Innon-OSDmenuoperation,press[OK]
to enter source menu, the function is the
same with pressing [SOURCE] key on
the remote control.
B.InOSDmenuoperation,pressOKto
confirm operation, the function is the
same with pressing [OK] key on the
remote control.
Move rocker Up/Down:
A.Innon-OSDmenuoperation,move
rockerUp/Downtoincrease/decrease
the channel number, the function is the
same with pressing [CH+]/[CH-] key on
the remote control.
B.InOSDmenuoperation,moverocker
Up/Downtoselecttheadjustmentitems,
the function is the same with pressing
[s]/[t] key on the remote control.
Move rocker Left/Right:
A.Innon-OSDmenuoperation,move
rocker Left/Right to decrease/increase
the volume, the function is the same
2
34
5
with pressing [VOL+]/[VOL-] key on the
remote control.
B.InOSDmenuoperation,moverocker
Left/Righttoadjusttheanalogvalueof
selected item, the function is the same
with pressing [s]/[t] key on the remote
control.
Note: Different models may have different
appearances; please refer to the actual
device.
1

11
Remote Control
*Special function key.
Standby Switch between working mode and standby mode
Screenshot Take screenshot
Mute Key Toggle sound off or on
Letter/ Number
Keys
Input any letter or number
3D F1 (Still Image) Turn on or off still image
Program List View TV program list
Homepage Display the homepage
Menu Display the main menu
Cursor Keys Navigate the on screen menu
Vol +/- Increase or decrease the volume
Return Return to the previous page
Source Display the signal source selection menu (TV only)
Channel +/- Increase or decrease the channel
Audio Switch sound modes
Info Display program information
16:9 Set zoom mode
Previous Channel
L/R Set audio language or sound mode
Index Graphic homepage / index (PLAY)
Zoom/TS Enlarge graphic (PAUSE)
Reveal Show / side graphic (STOP)
TTX Open graphic function (ROTATE)
Hold Graphic stops undating (LAST)
List Graphic directory (NEXT)
Rec Record programme (FAST BACKWARD)
Radio Change to radio mode (FAST FORWARD)
OK Conrm an on screen selection
Red Key *
Green Key Show / hide closed captions (SUBTITLE)*
Yellow Key Favourite Channel (FAV)*
Blue Key Electronic channel instructions (EPG)*

12
Installation of the batteries:
Remove the battery compartment cover
andinstalltwoAAAbatteries(1.5V)into
the battery compartment as per the polarity
symbols “+” and “-”.
Precautions:
•TheremotecontrolshouldaimattheIR
sensor(atthebottomrighthandsideof
thepanel).Donotleaveanyobstacle
between the remote control and the IR
sensor, or the remote contol may not
work.
•Donotshaketheremotecontrolviolently.
Also do not leave the remote control in
direct sunlight.
•Theremotecontrolmaynotworkifthe
IRsensorisexposedtodirectsunlightor
strong light. Please change the direction
of the light or product, or get closer to
the reception window to operate the
remote control.
•Lowbatterypowercouldleadtoashorter
remote control distance. If this is an
issue, please replace the battery. If the
remote control is to be kept idle for a
long time, please remove the battery to
avoid any corrosion caused by battery
leakage.
•Donotusebatteriesofdifferenttypesor
mixnewbatterieswitholdones.Always
replace the batteries in pairs.
•Donotputthebatteriesinre,or
charge or disassemble them, or charge,
short circuit, disassemble, heat or
burn used batteries. Please dispose of
waste batteries in accordance with local
environmental regulations.
Remote Control (Continued)

13
1. Insert the power plug into the power
socket
2. Turn on the power on the Professional
Monitor,(rearbottomlefthandside)
3. Press the power key [ ] on the remote
control to turn on the Professional
Monitor.
4. The screen displays the Welcome
menu, Press [s]/[t] key to select the
preferred language. Select START and
press [OK] key to confirm.
5.NextthescreenwilldisplayPlease
Select Antenna Type. Start Auto Scan",
press [ ]/[ ] key to select Antenna
Type.
6. Select Next and OK, press [ ]/[ ]
key to select Search Type. Navigate to
your country and the device will do an
auto channel search after hitting [OK].
1.Youcanconnectvariousdevicestothe
TVsetandviewhighqualityimages.If
thevideodevicehasHDMI,AV,PCand
other video output ports.
2. Once connected, turn on the device
and press [SOURCE] key, then the
menu of signal source will be displayed
on the screen. Press [s]/[t] keys to
select the input signal, and press [OK]
key to confirm.
1. The keys operation refers to remote
control operation, for panel control
keys operation please refer to Panel
Controlssection(p10).
2. Menu Operation Instruction in this
manualisexplainedaccordingtoTV
mode. The operations in other modes
are similar to the one in TV mode, and
users can take it as reference.
3. Before power-on platform, please make
sure that the power supply is stable.
1. This device adopts energy saving
technology. If there is no signal input
in powered-up on state, it will enter
standby state automatically in five
minutes. Or the device will enter standby
state automatically at specified sleep
time.
Basic Operations
Turn power on / Standby mode
Signal Source Selection
Notes Special Tip

14
1. Press [MENU] key to show the main
menu on the screen.
2. Press [ ]/[ ] key to select a menu
from Picture, Sound, Channel,
Settings or Parental Control.
3. Press [s]/[t] key to select an item in
the menu.
4. Press OK key to enter the submenu.
5. Press [ ]/[ ]keytoadjustthevalue
or setting.
6. When the main menu shows on the
screen, press [ ]/[MENU]keytoexit
the main menu; Press [ ]/[MENU]
key to return to previous menu when
the Professional Monitor displays the
submenu.
7.Duringmenuoperation,theiconsof
invalid options will change into grey.
Note: The default password for the lock
system is 0000.
1. Press [MENU] key and then select
Channel > Auto Tuning.
2. Press [ ]/[ ] key to select DTV
from the available options.
3. Press [s]/[t] key to select your
country.
4. Press [OK]keytoconrmandtheDTV
scan will begin.
5. When a message comes saying "Are
yousureyouwanttoexitDTVTuning?",
select [MENU] > YES > [OK].
Menu Operation DTV Channel Tuning (Auto)
Basic Operations (Continued)

15
1.InDTVmode,press[REC] key and
the Record option menu will show
on the screen whilst recording starts
automatically.
2. Press Reveal key to stop recording.
3. Press the Index key to show a list of
recorded files.
4. Select the preferred file and hit [OK] to
play it
1.InDTVmode,press[ZOOM/TS] key
and the Time Shift option menu will
show on the screen and the program is
in a suspended state.
2. Press Index to resume playing the
program as normal.
3. Press the Revealkeytostopandquit
Time Shift... the program resumes
playing.
Note: The recording function can only
renderFAT32lestoaformatteddrive.
Recording Time Shift
On Screen Icon Key
Play Play or set A-B repeat
Stop Stop and quit
Pause
Reverse Fast rewind, press [INDEX] key to play normally
Fast Forward Fast forward, press [INDEX] key to play normally
Slow Motion Slow down playback, press [INDEX] key to play
normally
Time Play Select time to play
Forward Make a 30s jump forward
Backward Make a 30S jump backward

16
Android OS
Basic Operation
Mouse Operation
Language and keyboard settings
Input method selection
Tips
1. Press the [ ] key on the remote
control to display the intelligent
homepage.
2. Press the [ ]/[ ]/[s]/[t] to select
an application.
3. Press the [OK] key to run the
application.
4. Press the [ ] key to return to the
previous page.
1. Click: Click the mouse button and then
release it at once; .
2. Long press: Press the mouse button
for over 3s and then release it;
3. Click the left mouse button: to confirm
- same function as the [OK] key on the
remote control;
4. Click the right mouse button: to return
-same function as the [ ] key on the
remote control.
•Language:FromtheAndroidOS
homepage, select Settings >
Preferences > Language and press the
[OK] key.
•Presstheup/downkeystoselectthe
target language and then press the
[OK] key.
1. Select Settings > Preferences >
Keyboard > Current Keyboard
2. Press the [OK] key.
3. Select the target input method in the
option menu and press the [OK] key to
select it.
4. The system is provided with an “Android
keyboard” and “Google Pinyin IME”,
and the user may download the third-
party input methods.
•Feelfreetoinstallanddownload
applications from the Google Play
Store.
•Somefunctionscannotberealizedvia
remote control, so we recommended
using the mouse and keyboard with
USB interfaces for easier operation.
•Themouseandkeyboardneedto
connect to USB interfaces on the the
Professional Monitor.
Screenshot
•InsertUSBstoragedeviceintothe
USB interface on the product prior
to taking screenshots and press the
[Snapshot] key. The picture will
be saved in the folder “:\Pictures\
Screenshots” of your USB storage
device.

17
Browser
•Youcanusethebrowsertoshowweb
content. Before accessing the Internet,
please refer to the Network Settings
(p18)sectionfordetails.
APK Installer
•TheAPKinstalleroptionhelpsusers
manage applications and allows users
to install or uninstall apps in their local
disk. .
•Tip:YoucanselectSettings > Personal
> Security & Restrictions > Unknown
Sources to allow non Appstore
applications to be installed.
•To install an application: Enter the
APK installation and select [Manage]
and press the [OK] key to enter. Then
select a target file in your local disk
as the installation route and find the
installation package to be installed in
the right hand listing and press the
[OK] key.
•To uninstall an application:Firstlyselect
[Manage] and press the [OK] key to
enter; and then select the application
to be removed and press the [OK] key;
Finally,select[Uninstall] and click the
[OK] key to remove the application.

18
Android OS
Multimedia Player Wired network settings
1. Connect to the USB storage device via
USB interface
2.FromtheAndroidOShomepage,select
[Multimedia] and press the [OK] key
to run.
3. Select the file category from [All],
[Picture], [Music] and [Video] on
the left hand side.
•To play the file saved in a local disk
device:
1. Insert the USB storage device into
the USB interface of the Professional
Monitor.
2. Select the Local Disk Device from the
file list in the middle and press the
[OK] key to enter.
3. Select [Back] in the directory and
press the [OK] key to return to the
previous folders
4. Select the target folder and press the
[OK] key to enter this folder,
5. Press [ ] to return to the desktop.
1. Before using a wired network, firstly
connect one end of the network cable
to the LAN port of Professional Monitor
and then connect the other end to the
router.
2.FromtheAndroidOShomepage,
select Settings > Device > Network
> Ethernet and press the [OK] key to
confirm.
3. If your router does not support
automatically obtaining an IP address,
you need to select Advanced Options
> IP Settings > Static, and press the
[OK] key to confirm.
4. Enter the IP address, gateway, network
prexlengthandotherinformation.
(Thisisavailablefromyournetwork
administrator).
5. Select the network to be connected
in the network list and press the [OK]
key.
(Continued)
Tips
•Pressingthe[Info] key can display
or hide the toolbar.
•Press[ ]toreturntoexitplaying.

19
Wireless network settings
1.FromtheAndroidOShomepage,select
Settings > Device > Network and
press the [OK] key.
2. Use the [s]/[t] keys to choose the
Wi-FiSwitch,thennavigatetoselect
[On] -.
3. The Professional Monitor will search
for nearby wireless networks. When
theWi-Fiiconisshownamongthe
searched networks, it indicates this
network is available without passwords;
whenWi-Fiiconisshownamongthe
searched networks, this network has
been secured with passwords and you
must input passwords for connection.
4. Select the network to be connected
in the network list and press the [OK]
key.
5. Input the passwords and select
[Connect] and then press the [OK]
key.
6. If your router does not support
automatically obtaining an IP address,
you need to select Advanced Options
> IP settings > STATIC and press [OK]
to confirm,
7. Enter the IP address, gateway, network
prexlengthandotherinformation.
(Thisisavailablefromyournetwork
administrator).
8. Select [Connect] again and press
[OK] to connect to network.

20
Use as Portable Wi-Fi hotspot PPPoE
1.FromtheAndroidOShomepage,select
Settings > Device > Network > Wi-Fi
> Portable Hotspot and press the [OK]
keytoactivateWi-Fihotspot.
2. Select Portable Wi-Fi Hotspot and
press the [OK] key.
3. Select Setup Wi-Fi Hotspot and
press the [OK] key.
4.Inputthenetworkname(SSID)inthe
network name field; the default name
is “AndroidAP”, and you can change it
to other name if you like.
5. Select Security field press [OK] to
select the security type. If it is an open
network,apasswordisnotrequired
(selectNone).
6. If WPA PSK/WPA2 PSK is selected for
encryption, you need to input 8 digits
or more as the password. When other
devicesndyourWi-Finetwork,they
need to input correct passwords to
connect to your network.
7. Select Encryption and the system will
configure the passwords automatically
for you, or you can also input your own
passwordsinthepasswordbox.
8. Select Save and press the [OK] key to
save settings.
9.Yournetworkwillnowdisplayonother
Wi-Fideviceswithintherangewhen
they search for the network.
1.FromtheAndroidOShomepage,
select Settings > Device > Network >
PPPoE and press the [OK] key.
2. Input the username and pasword.
3. Select Connect and press the [OK]
key.
Android OS (Continued)