Qomo Quest 84 Operation manual

Before operating the unit, please read this manual thoroughly,
and retain it for future reference.
Owner’s Operating Manual
Interactive Intelligent Panel

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Contents
Security Warning
Connection and Setting
Menu Operation
Maintenance
Prepare to Install
Simple troubleshooting
7

Do not expose the unit to direct sunlight and other sources of heat.
Do not handle liquids near or on the unit.
Never spill liquid of any kind into the unit
Power Supply
LED Screen
Sight Distance
Temperature
Humidity
Ventilation
Earphone
Standby
Battery
Notes for Cleaning
Power Switch Status SignsPower Switch Status Signs
Notes for Maintenance
Do not put the unit near appliances that create magnetic fields.
Do not put heavy objects on top of the unit.
Check that the unit’s operating voltage is identical with your local power supply.
the weather is thunder-storm or lightning. Please unplug power supply and aerial plug when
please unplug power supply, when there is nobody at home or didn't use over a long period of time .
Please keep power cord from physical or mechanical damage.
Please use exclusive power cord, don't modify or lengthen it.
Please check and ensure AC source is connected with the ground.
Never use any other tough or sharp object to replace the written pen.
Unplug the power supply plug before cleaning.
Clean the screen with a soft dustless and dry cloth.
Never use water or the spray type detergent to clean the unit.
For deep clean, contact an authorized service center.
Please don't display the high brightness image on the screen for a long time.
The best distance between audience and screen is 5-7 times that of screen diagonal.
The best watching angle between audience and screen as top and bottom, or so inside 176 degrees.
Do not place the unit near or over a radiator or a heater register.
If your unit is suddenly moved from a cold to a warm place, unplug the power cord for at least.
two hours so that moisture that may have formed inside the unit can dry completely.
Do not expose machine in rain, damp or place near water.
Ensure the indoor drying, cool.Nomal operating humidity is 10~90%.
Keep the ventilation openings clear.
Ensure that the unit has enough space for ventilation around: left, right and back >10cm, top> 20cm.
It will while using the earphone listen noisy sound for a long time.effect the hearing
Before using earphone, please turn down the volume in advance.
It will enter standby mode but not turn off the unit while press the standby key.
Accurate transaction and recall scrap battery after using.
There are heating hole on back cover, do not spray water.
“I” means power on, “O” means power off.“I” means power on, “O” means power off.
This machine can only be maintained by certified engineer.
Please don't let kid touch battery, in case of dangerous don't throw battery into fire.
Normal operating temperature is 0 ~ 40℃.
Safety Warning
Before operating the unit, please read this manual thoroughly,and retain it for future reference.
Do not place the unit on an unstable cart, stand, tripod, bracket, table, or shelf.
Placement

1 Control Panel
HOME button: back to main interface
Return button: return to previous level menu
Menu button: call up function menu
Volume down button: turn down volume
Built-in computer USB interface
USB interface of Android system, which can access storage device to play
Receiving remote control signal, and do not place any objects to block
Volume up button: turn up volume
Items Function description
media files
remote control receiving
Remote control
signal receiver
Tap to enter EnergySaving function
Press at least 2 seconds to enter standby mode
PC
Prepare to Install
2
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

2 Terminal Interface
Items Function description
Connect USB devices such as mobile hard disk, U disk, USB keyboard
and mouse, USB drives, etc
High-definition multimedia interface signal input, connect to PC
(personal computer) with HDMI output, set-top box, or other video
device can also realize touch function (HDMI3 can realize MHL function,
Connected to display devices with VGA input function
External computer audio input
External computer image input
External computer touch signal input. Default touch function is available
under internal computer, when connecting external computer, besides
connecting external computer VGA and audio signals, external
computer's USB port needs to be connected to the equipment. Under
the condition that driver is installed, external computer can be touch
controlled through the equipment (touch function is effective in PC,
VGA and HDMI channel by default)
Composite video and audio input
Coaxial output
WAN interface, connecting RJ45 terminals.
(This network port is only used for Android system)
Serial interface, used for mutual transfer of data between devices
Connected to device with headphone input function
Power switch, to open and shut down AC power supply
“ ”is ON, “ ”is OFF.
AC power input, connecting AC power supply
3
HDMI4(4K2K)
HDMI4 can realize 4K2K function)
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

3 Remote control
1). Remote control button instruction
4
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

Back
F1-F12:
Home
Detailed function description of remote control buttons
: Press this button to enter standby when power is on; Click this button to switch on
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:
Mute switch
Built-in computer Windows key
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:
:
:
:
in standby condition
Built-in computer Space key
Built-in computer spacebar Alt + Tab
Built-in computer program window close button
Numeric keys:TV digital channels input keys
Display channel information
TV channel return key
Input signal source selection key, choose different sourced according to need
Android system main screen button
TV OSD menu button, press this button to pop up TV's OSD menu
Red:
Green:
Yellow:
Blue:
TV channel function button
TV channel function button
TV channel function button
TV channel function button
:
:
:
:
:
:
:
:
:
:
:
:
:
One key for blank screen
Backspace key
Direction key, press this button for upwards selection
Direction key, press this button for left selection
Direction key, press this button for right selection
Direction key, press this button for downwards selection
confirmation key, press this key to confirm selection state
Quickly start writing software.
Return key
Built-in computer page (previous page)
Built-in computer page (next page)
Channel switch key
Volume switch key
Built-in computer F1 - F12 function keys
Some buttons on remote control may be functionless if the panel does not carry on that feature.
5
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

Install Batteries
1 Open back cover of battery component on the back of remote control
2 Install AAA type battery according to the corresponding electrode, make sure battery positive
and negative pole are correct ("+"to"+", "-" to "-"), please do not mix using old and new batteries
3 After battery is installed, close the back cover of battery components, and make the following clip buckled to the bottom
Range of remote control
2).Remote control instruction
Remote control can work normally within the range of 8 meters distance, 30 degrees left and right
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED
BY AN INCORRECT TYPE
DISPOSE OF USED BATTERIES ACCORDING
TO THE INSTRUCTIONS
from the remote control receiver; in order to protect environment, please dispose waste battery into
recycling box.
6
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

Connection and Setting
For the safety of you and the machine, please do not connect any power plug before connection
1. External Computer and Touch Connection
NOTE:
External computer input, equipment's best resolution is 1920 x1080
External computer can also connect to the equipment through the HDMI cable
Recommended computer configuration:
2.0GBHZ Processor, 1GB Memory More than 256 color display card
1GB Available Hard Drive
VGA-OUT/HDMI-OUT、Audio-OUT、USB Interface
Support Resolution 800*600,1024*768,1920*1080
(5)Press key, and the equipment is powered on.
(6)Press the INPUT key to switch to VGA channel.
(3)After connection is completed, plug in power cord, and switch power to on.
(1)Use VGA line to connect to VGA output port of external computer, and meanwhile use
headphone audio line to connect to external computer audio output interface.
(2)Use USB line to connect to external computer USB port.
(4)Start external computer.
Audio Cable VGA Cable
USB Cable
Computer
7
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

Video Game Set-top
Satellite TV receiver
Video recorder
Camera
DVD
AV cable
2. Audio and video equipment
(1).Use AV audio and video lines to connect audio and video equipments with AV output
(yellow for video, red for right sound channel, and white for left sound channel)
(2).After line connection, plug in power cord, and switch power on
(3).Press to turn equipment on
(4).Press INPUT key to switch to AV port
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HDMI cable
DVD Disc Player
(1).Use HDMI line to connect audio and video equipment with HDMI output
(2).After line connection, plug in power cord, and switch power On
(3).Press to turn equipment on
(4).Press INPUT key to switch to HDMI port (HDMI3 channel can realize MHL function,
HDMI4(4K2K)
/HDMI4(4K2K)
HDMI4 channel can realize 4K2K function)
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

3. Coaxial connection
Power amplifier/stereo equipment
(1).Use coaxial line to connect audio device with coaxial input
(2). After line connection, plug in power cord, and switch power on
(3).Press to turn equipment on
4. Video output connection
(1).Use VGA line to connect display devices with VGA OUT, and use headphone line to
(2). After line connection, plug in power cord, and switch power on
(3).Press to turn equipment on
connect EARPHONE.
(4).Press INPUT key to switch to VGA port
Note: VGA OUT & EARPHONE outputs VGA IN & AUDIO IN graphics and sound.
Projector
Coaxial cable
Internet
5. WAN Connection
Network cable
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VGA cable
Audio cable
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

6. USB Equipment connection
Serial port line
Computer
After using serial port line to connect central control equipment and machine, certain function of the machine
can be controlled via central control equipment, such as: machine ON/off, and adjustment of sound volume, etc
PC operations：
1.In case that TV is on and the computer is not started, press INPUT key to switch PC channel,
2.When it is on, hold on POWER key for 2 seconds, click to select "Confirm" in the pop-up
reminder menu to turn off TV and computer together.
3.Under PC channel when it is on, touch to select "WINDOWS" button on the lower left of
desktop or press "WINDOWS" key on remote control, and then select "power off" item, to turn
off computer when not turning off TV.
then the computer turned on.
10
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance
Operation Guide:
Single Click: Click the screen once with the pen.
Double Click: Click the screen twice (with 0.5s time interval) with the pen.
Right Click: Click the screen and hold for 1-2s to simulate the right click.
Drag: Click the object to choose, and then drag.
Slide: Click the object to choose, and then slide.
Zoom: Use two pen to zoom in or zoom out the object.

A
Menu Operation
Touch menu operation
Call up method
Take middle point position on the bottom of display screen as starting point, use touch pen to drag
towards screen center position to call up touch menu, as shown below.
Note: "Touch A Method" mentioned in this manual to call up touch menu method is shown above.
Setting menu
Input setting
Press INPUT button on remote control or via touch A method to call up Input Setting menu;
Press button on remote control to select the channel you need;
Press the Enter button on remote control or directly click with touch pen to confirm selected input channel;
Press return key on remote control, or click blank area outside menu with touch pen to exit menu.
Note: “ ”symbol represents that this channel has been connected to a signal
Note: PC channel will only display when you connect the built-in computer.
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Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance
Light Volume MoreInput
AV

Brightness Setting
Press INPUT button on remote control or via touch A method to call up Input Setting menu;
Press button on remote control or directly click “Light”icon with touch pen to enter
Brightness Setting menu;
Press button on remote control or drag brightness adjustment progress bar with touch pen to
adjust brightness;
Press return key on remote control, or click blank area outside menu with touch pen to exit menu.
Volume setting
Press INPUT button on remote control or via touch A method to call up Input Setting menu;
Press button on remote control or directly click “Volume”icon with touch pen to enter
Volume Setting menu;
Press button on remote control or directly drag volume adjustment progress bar with touch pen to
adjust volume;
Press < Mute > button on remote control or directly click mute icon below "More Settings" with touching
pen to open or close mute state;
Press return key on remote control, or click blank area outside menu with touch pen to exit menu.
Input Light Volume More
Input Light Volume More
Backlight
Volume
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Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

VGA Channe settingl
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Under VGA channel, press INPUT button on remote control or via touch A method to call up
setting menu;
Press button on remote control or click directly with touch pen to select and
adjust each option;
Press return key on remote control, or click blank area outside menu with touch pen to exit
menu.
H position
Press button on remote control or directly drag icon with touch pen to adjust horizontal
position of image;
Press button on remote control under setting menu or directly click“More Settings”icon with
touch pen or directly press Menu on remote control under VGA channel to enter advanced
setting menu;
V Position
Press button on remote control or directly drag icon with touch pen to adjust vertical
position of image;
Phase
Press button on remote control or directly drag icon with touch pen to adjust phase
position of image;
Clock
Press button on remote control or directly drag icon with touch pen to adjust clock of image;
Zoom
Press button on remote control or press Enter button or directly click icon with touch pen to
switch image display ratio;
Auto Adjust
Press button on remote control or directly click icon with touch pen to automatically adjust
horizontal, vertical position/ phase and clock of image;
水平位移
缩放
H Position
V Position
Phase
Clock
Zoom
Auto Adjust
Writing Mode
Writing Mode
Press button to on/off the writing mode.
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

Under channels other than Android, press Menu button on remote control or via touch A
method to call up setting menu;
Press button on remote control or directly click“More Settings”icon with touch pen or
directly press Menu on remote control to enter advanced setting menu;
Press button on remote control or click directly with touch pen to select and
adjust each option;
Press return key on remote control, or click blank area outside menu with touch pen to exit
menu.
Brightness
Press button on remote control or directly drag icon with touch pen to adjust brightness of
image.
Contrast
Press button on remote control or directly drag icon with touch pen to adjust contrast of
image.
Hue
Press button on remote control or directly drag icon with touch pen to adjust tone of image.
Sharpness
Press button on remote control or directly drag icon with touch pen to adjust sharpness of
image.
Color Temp
Press button on remote control or directly drag icon with touch pen to adjust color
temperature of image (Cool color/warm color/automatic).
NR
Press button on remote control or directly drag icon with touch pen to open or turn off noise
reduction function.
Note: different options in different channels can't be adjusted, please select according to actual
situation.
Screen Setting
Brightness
Contrast
Hue
Color Temp
NR
Sharpness
Cold Warm Standard
14
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

Simple troubleshooting
PC mode
Touch Function
Video function can't work normally
Audio function can't work normally
Remote control
failure
Machine automatically
1.Check whether there are other objects between remote control and television remote control receiving
2.Check whether the battery electrode in the remote control is correct.
3.Check whether remote control needs to replace battery.
1.Whether set sleep or not.
2.Check whether there is sudden power outage.
3.Check whether there is no signal automatic shutdown.
1.Check whether display is set correctly.
Signal out of range
Background has vertical
Image lack of color,
Display format that is
2.Check whether resolution is the best resolution.
3.Adjust line and field synchronization in menu.
1.Select automatic correction in menu.
2.Adjust clock and phase position in menu.
1.Check whether VGA is not well connected or has quality problem.
2.Adjust chromaticity and brightness or contrast in menu.
1.Select automatic correction in menu.
2.Adjust clock and phase position in menu.
Touch function invaild
Touch positioning not
1.Check whether touch driver is installed and started.
2.Check whether the size of article touched is comparable with finger.
1.Check whether driver is properly installed and make correction.
2.Check whether touch pen is facing the screen.
No picture and no sound
With horizontal or vertical
No color, color is weak
With image but without
Only one speaker has
VGA output without
1.Check whether the machine is started state.
2.Check whether signal wire is well plugged, whether INPUT is corresponding to it.
3.If in internal computer mode, check whether internal computer is started.
1.Check whether signal wire is well connected.
2.Check whether other electronic equipment or power tools are placed around the machine.
1.Adjust chromaticity and brightness or contrast in menu.
2.Check whether signal wire is well connected.
1.Check whether mute button is pressed for mute.
2.Press VOL. + / - to adjust volume.
3.Check whether audio line is connected correctly.
1.Check whether connect external device with headphone cable.
1.Adjust sound balance in menu.
2.Check whether computer sound control panel only sets up one sound channel.
3.Check whether audio line is connected correctly.
Machine fails to work normally
window, thus leading to failure of remote control.
shut down
lines or streaks
color is incorrect
not supported
correct
stripes or image dithering
or image is weak
sound
sound
sound
15
Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance

Maintenance
Proper maintenance can avoid many early faults; regular careful cleaning can make machine brand new;
Clean screen
Clean face frame
Please mix and stir even a little fabric softener or tableware detergent with warm water.
Please use a soft cloth to be completely soaked in the mixture.
Please take out cloth and twist to half dry state to wipe machine screen.
Please use dry, soft, lint-free cloth to wipe front frame ,
.
Repeat for several times, pay attention not to squeeze water flow into
please unplug power plug before cleaning and maintenance, to prevent electric shock
machine when wiping machine.
No use of machine for a long time
In case of no use of machine for a long time, such as holiday, please make sure to unplug the plug to
prevent any possible dangers caused by power supply ripple from lightning.
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Connecting and Setting
Installation Menu Operation Troubleshooting Care and Maintenance