Loft D3 Series User manual

D3-Series Interactive Display
User Manual

2
Contents
Safety Warnings............................................................................................................. 3
FCC Statement...............................................................................................................6
Control Panel ................................................................................................................... 7
Remote Control............................................................................................................ 13
Connections and Settings.................................................................................. 18
Troubleshooting..........................................................................................................22

3
Safety Warnings
Before operating, please read this manual thoroughly, and
keep it for future reference. Image shown in this manual is indicative
only. There may be dierences between the pictures and the actual
product.
Placement
• Do not put heavy objects on top of the unit.
• Do not place the unit near appliances that generate magnetic
elds.
Do not expose the unit to direct sunlight and other sources
of heat.
• Do not place the unit on an unstable cart, stand, tripod, bracket,
table, or shelf.
• Do not put any liquid near or on the unit, make sure to not spill
any liquid inside the unit.
Power Supply
• Please keep power cable from physical or mechanical damage.
• Please check and ensure AC source is connected with the
ground.
• This power cable comes with the device exclusively for this
device only. Check that the unit's operating voltage is identical
with your local power supply.
• Please unplug power supply during thunderstorms.
• Please use the original power cable from the accessory bag,
don't modify or lengthen it.
• Please unplug power supply, when there is nobody home or the
unit will be on standby for a long time.

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LED Screen
• Unplug the power cable before cleaning. Clean the screen with
a soft, dustless and dry cloth.
• For deep cleaning, please contact an authorized service center.
• Never use water or the spray type detergent to clean the unit.
• Never use any other hard or sharp object to replace the touch
pen.
• To preserve the panel, do not display static images on high
brightness for extended periods of time.
Temperature
• Normal operating temperature is 0~40 C.
• Do not place the unit near or over a radiator or a heater.
• If your unit is suddenly moved from a cold to a warm place,
please unplug the power cable and do not turn it on at least 2
hours, making sure the moisture inside the unit is all evaporated.
Humidity
• Do not expose the unit in rain, or place in high humidity area.
• Please make sure indoor environment is dry and cool. Normal
operating humidity is 10%~ 90% RH.
Ventilation
• Please put the unit in a well- ventilated place, so the heating
can be released easily. Ensure that the unit has enough space
for ventilation.
• Space requirement: left, right and back >10cm, top> 20cm.

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Earphones
• Before using earphone, please turn down the volume in advance.
Listening at a high volume for long periods of time may aect
hearing.
Battery
• Please ensure the remote batteries are properly disposed of or
recycled after using.
• Please keep the battery away from kids and don't throw the
battery into re.
• Caution risk of re or explosion if the battery is replaced by an
incorrect type.
Notes for Cleaning
• There are vents on back cover, please do not use any liquid or
spray directly during cleaning.
Power Switch Status Signs
• “I” means power on, “ O” means power o.
Notes for Maintenance
• This machine can only be maintained by a certied engineer or
technician.

6
FCC Statement
This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning
the equipment o and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from
that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for
help.
FCC Warning
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.

7
Control Panel
Number Items Function description
1 Loudspeaker Amplify audio.
2Magnetic
zone
Area for placing the absorptive
magnetic pen.

8
3Tap to enter energy-saving, press
for at least 2 seconds to enter
standby mode.
4
Remote
control signal
receiver Receive the remote signal.
5Light Sensor Identify the brightness of
ambient light.
6 USB-C 3.1
Support charging, data
transmission, extension for audio
and video output interface, etc.
Note:The maximum rated power of
the USB Type- C port of this
product is 65W. When using this
port to charge electronic devices,
the charging power of the
electronic device cannot exceed
the rated power of this port. If the
charging power of the electronic
device exceeds the rated
charging power of this port,
please do not directly use this
port for charging.

9
High- denition multimedia
interface signal input, connect to
devices with HDMI output
interface (personal computer with
HDMI output, set- top box, or
another video device).
8 TOUCH 2 Touch signal output to the
external computer.
9 USB 3.0 Connect USB devices such as
mobile hard disk, USB keyboard
and mouse, USB drives, etc.
7 HDMI 3
2: Terminal Interface

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Connect USB devices such as mobile
hard disk, U disk, USB keyboard and
mouse, USB drives, etc.
4 TOUCH 1 Touch signal output to the external
computer.
5 HDMI IN
High- denition multimedia interface
signal input, connect to devices with
HDMI output interface (personal
computer with HDMI output, set- top
box, or another video device).
6HDMI
OUT
Connect to devices with HDMI input
function.
7 USB 2.0
Connect USB devices such as mobile
hard disk, USB keyboard and mouse,
USB drives, etc.
3 3.0
Number Items Function description
1 RS232 Serial interface, used for mutual
transfer of data between devices.
2 LAN Connect RJ45 terminals.
8 SPDIF Carry multichannel sound via optical
signals.
9 AUDIO IN External computer audio input.
10 AUDIO
OUT Audio output to the external speaker.
11 VGA External computer image input.
12 AC
SWITCH
To open or shut down AC power supply.
“I” means power on, “O” means power o.
13 AC IN AC power input, connect AC power
supply.

11
Remote Control
Remote Control Button Instruction

12
Function
1 Power on/o
2 Enter or exit mute mode
3 Start PC's Windows key
4 Space PC's Space key
5 Alt+Tab PC's Alt+Tab key
6 Alt+F4 PC's Alt+F4 key
7 Numeric Keys Numeric input keys
8 Display Display channel information
9 /
10 Input Pop up TouchMenu-General Setting
11 Home Return to android system main screen key
12 Menu Pop up TouchMenu-Audio
13 Red Enable or disable Front keyboard and Touch
14 Green Enable or disable Front keyboard
15 Yellow Enable or disable Touch
16 Blue Pop out or close the screen freezing tools
17 Turn o or turn on the screen backlight
18 PC's Backspace key
19 Press to scroll up
20 Press to scroll left
21 Press to scroll right
22 Press to scroll down
23 Enter Conrmation key, press it to conrm selection state
24 Quickly start writing software
25 Back Return to the last operating interface
26 PgUp Page Up
27 PgDn Page Down
28 CH.+/CH.- /
29 VOL+/VOL- Increase/reduce the volume
30 F1-F12 PC's F1 - F12 function keys

13
Remote Control Instructions
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
Remote control can work normally within the range of 8 meters
distance, 30 degrees left and right from the remote control
receiver. Please dispose of used batteries as directed by your
local waste authority.
If the battery is replaced by an incorrect type, it may lead to
explosion.

14
Connections and Settings
For the safety of you and the machine, please do not connect
any power plug before connection.
1 . External Computer and Touch Connection
You can connect a PC to the display by:
• Using a USB Type C cable to connect the computer
• Using a VGA cable to connect to VGA output port of external
computer, and a 3.5mm audio cable to connect to external
computer audio output interface and a USB cable to connect
to external computer.
• Using an HDMI cable to connect to HDMI output port of
external computer and use USB cable to connect to external
computer USB port).

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After cable connection, plug in power cord, and switch power on.
Start external computer.
Press the key, and the equipment will power on
Switch the input source to the USB Type C/V GA/HDMI channel in
the main menu.
(Supports Resolutions: 800×600, 1024×768, 1920×1080, 3840×
2160)
NOTE:
With an external computer input, the equipment's maximum
resolution is 3840x2160.
Minimum computer conguration:
1GB Available Hard Drive
2.0GHz Processor, 1 GB Memory

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2. Audio and Video Equipment
• Use HDMI cable to connect audio and video equipmentwith
HDMI output.
• After cable connection, plug in power cord, and switchpower
on.
• Press to turn equipment on.
• Switch the input source to the HDMI channel in the main menu.
3. Audio and Video Equipment
• Use HDMI cable to connect audio and video equipment with
HDMI input.
• After cable connection, plug in power cord, and switch power
on
• Press to turn equipment on

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4. RS232 Connection
5. LAN Connection
6. USB Connection
7. AUDIO OUT Connection

18
Troubleshooting
Machine Fails to Work Normally
Remote control
failure Check whether the battery electrode in
the remote control is correct.
Check whether remote control needs new
batteries.
Machine
automatically
shuts down
Check if the display is scheduled to go to
sleep.
Check if there is sudden power outage.
The system will automatically shut down if
the display is set to an external input and
loses signal for 5 minutes. Please check
the input and connection of the signal.
Check whether there are other objects
between remote control and equipment
control receiving window, thus leading
to failure of remote control.

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PC Mode
Signal out of
range
Check whether display is set correctly.
Check whether resolution is the best
resolution.
Adjust line and eld synchronization in
menu.
Select automatic correction in menu.
Background has
vertical lines or
streaks Adjust clock and phase position in
menu.
Image lack of
color, color is
incorrect
Check whether VGA is not well
connected or has quality problem.
Adjust chromatic and brightness or
contrast in menu.
Display format
that is not
supported
Select automatic correction in menu.
Adjust clock and phase position in
menu.
Touch Function
Touch function
invalid
Check whether the size of article
touched is comparable with nger.
Touch positioning
not correct Check whether touch pen is facing
the screen.

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Video Function is Not Working Normally
No picture and
no sound
Check whether the machine is started
state.
Check whether signal wire is properly
connected, whether INPUT is
corresponding to it.
If the display is set to output the OPS-
PC, check whether the OPS-PC is
powered on.
With horizontal
orvertical stripes
or grainy images
Check whether signal wire is well
connected.
Check whether other electronic
equipment or power tools are placed
around the machine.
No color, color is
weak, or image is
weak
Adjust chromatic and brightness or
contrast in menu.
Check whether signal wire is properly
connected.