OWNER’S MANUAL
LG Digital
Signage
(MONITOR SIGNAGE)
Please read this manual carefully before operating your set and retain it
for future reference.
55EH5C
Copyright © 2017 LG Electronics Inc. All Rights Reserved.
3
WARNING - This is a class A product. In a domestic environment this product may cause radio interference in which
case the user may be required to take adequate measures.
SAFETY PRECAUTION
Please read these safety precautions carefully before using the product.
WARNING
If you ignore the warning message, you may be seriously injured or there is a possibility of accident or death.
CAUTION
If you ignore the caution message, you may be slightly injured or the product may be damaged.
WARNING
• Indoor Use Only.
Precautions In Installing the Product
WARNING
• Keep away from heat sources like electrical heaters.
- Electrical shock, fire, malfunction, or deformation may occur.
• Keep the packing anti-moisture material or vinyl packing out of the reach of children.
- Anti-moisture material is harmful if swallowed. If swallowed by mistake, force the patient to vomit and visit the
nearest hospital. Additionally, vinyl packing can cause suffocation. Keep it out of the reach of children.
• Do not put heavy objects on the product or sit upon it.
- If the product collapses or is dropped, you may be injured. Children must pay particular attention.
• Do not leave the power or signal cable unattended on the pathway.
- The passerby can trip or fall, which can cause electrical shock, fire, product breakdown, or injury.
• Install the product in a neat and dry place.
- Dust or moisture can cause electrical shock, fire or product damage.
• If you can smell smoke or other odors or hear a strange sound unplug the power cord and contact the service center.
- If you continue to use without taking proper measures, electrical shock or fire can occur.
• If you dropped the product or the case is broken, turn off the product and unplug the power cord.
- If you continue to use without taking proper measures, electrical shock or fire can occur. Contact the service center.
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• Do not drop an object on or apply impact to the product. Do not throw any toys or objects on the product screen.
- It can cause injury to human, problem to product and damage the display.
• Do not let the product fall or drop when connecting it with an external device.
- This may cause injury and/or damage to the product.
• When connecting it to a game device, keep a distance of four times the diagonal measurement of the screen from the
device.
- If the product falls because of the short cable, this may cause injury and/or damage to the product.
• Leaving a fixed image on the screen for a long time may cause damage to the screen and cause image burn-in. To use
the product for a long period of time, use a screen saver on the PC or utilize the residual image prevention function
on the product, and when the product is not used, turn off the power. Burn-in and related problems are not covered
by the warranty on this product.
• Do NOT install this product on a wall where there is high risk of exposure to oil fumes or mist.
- This may damage product and cause it to fail.
CAUTION
• Make sure the product ventilation holes are not blocked. Install the product in a suitably wide place (more than
100 mm from the wall).
- If you install the product too close to the wall, it may be deformed or fire can break out due to internal heat.
• Do not block the ventilation hole of the product by a tablecloth or curtain.
- The product can be deformed or fire can break out due to overheating inside the product.
• Install the product on a flat and stable place that has no risk of dropping the product.
- If the product is dropped, you may be injured or the product may be broken.
• Install the product where no EMI occurs.
• Keep the product away from direct sunlight.
- The product can be damaged.
• If you install the product in a place that does not meet the recommended conditions, this may cause serious damage
to the product’s picture quality, life cycle, and appearance. Please check with LG or a qualified installer before
installing. This caution applies to a place where there is an abundance of fine dust or oil mist, chemical substances are
used, the temperature is very high or low, the humidity is very high, or the product is likely to remain turned on for a
long period of time (airport and train station). failure to do so will invalidate the warranty.
• Do not install the product in an area with poor ventilation (e.g.on a bookshelf, in a closet) or outside and avoid placing
on cushions or carpets.
• In addition, do not install it where there are heating objects such as lighting equipment.
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Precautions to the AC Adapter and Electrical Power
WARNING
• If water or any foreign substance goes inside the product (TV, monitor, power cord, or AC adapter), disconnect the
power cord immediately and contact the service center.
- Otherwise, this may cause a fire or electric shock due to damage to the product.
• Do not touch the power plug or AC adapter with wet hands. If the pins of the plug are wet or dusty, wipe and dry
them before use.
- Otherwise, this may cause a fire or electric shock.
• Make sure to completely insert the power cord into the AC adapter.
- If loosely connected, the poor connection may cause a fire or electric shock.
• Be sure to use power cords and AC adapters provided or approved by LG Electronics, Inc.
- The use of non-approved products may cause a fire or electric shock.
• When unplugging the power cord, always pull it by the plug. Do not bend the power cord with excessive force.
- The power line can be damaged, which may cause electric shock or fire.
• Be careful not to step or place heavy objects (electronic appliances, clothing, etc.) on the power cord or AC adapter.
Be careful not to damage the power cord or AC adapter with sharp objects.
- Damaged power cords may cause a fire or electric shock.
• Never disassemble, repair or modify the power cord or AC adapter.
- This may cause a fire or electric shock.
• Make sure to connect the power cable to the grounded current.
- You may be electrocuted or injured.
• Use the rated voltage only.
- The product can be damaged, or you may be electrocuted.
• In the presence of thunder and lightning, never touch the power cord and signal cable because it can be very
dangerous.
- It can cause electric shock.
• Do not connect several extension cords, electrical appliances, or electrical heaters to a single outlet. Use a power strip
with a grounding terminal designed for exclusive use with the computer.
- A fire can break out due to overheating.
• Do not touch the power plug with wet hands. Additionally, if the cord pin is wet or covered with dust, dry the power
plug completely or wipe dust off.
- You may be electrocuted due to excess moisture.
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• If you don’t intend to use the product for a long time, unplug the power cable from the product.
- Covering dust can cause a fire, or insulation deterioration can cause electric leakage, electric shock or fire.
• Fix the power cable completely.
- If the power cable is not fixed completely, a fire can break out.
• Do not insert a conductor (like a metal chopstick) into one end of the power cable while the other end is connected
to the input terminal on the wall. Additionally, do not touch the power cable right after plugging into the wall input
terminal.
- You may be electrocuted.
• The appliance coupler is used as the disconnect device.
• Please make sure the device is installed near the wall outlet to which it is connected and that the outlet is easily
accessible.
• As long as this unit is connected to the AC wall outlet, it is not disconnected from the AC power source even if the
unit is turned off.
CAUTION
• Be sure to keep the outlet, AC adapter, and pins of the power plug clean from dust and etc.
- This may cause a fire.
• Do not unplug the power cord while the product is in use.
- Electrical shock can damage the product.
• Use only the power cord supplied with the unit. If you use another power cord, make sure that it is certified by the
applicable national standards when not provided by the supplier. If the power cable is faulty in any way, please contact
the manufacturer or the nearest authorized repair service provider for a replacement.
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Precautions In Moving the Product
WARNING
• Make sure to turn off the product.
- You may be electrocuted or the product can be damaged.
• Make sure to remove all cables before moving the product.
- You may be electrocuted or the product can be damaged.
• Make sure the panel faces forward and hold it with both hands to move. If you drop the product, the damaged
product can cause electric shock or fire. Contact an authorized the service center for repair.
• Make sure the product is turned off, unplugged, and all cables have been removed. It may take 2 or more people to
carry larger apparatus. Do not press against or put stress on the front panel of the apparatus.
CAUTION
• Do not shock the product when moving it.
- You may be electrocuted or the product can be damaged.
• Do not dispose the product-packing box. Use it when you move.
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Precautions In Using the Product
WARNING
• Do not disassemble, repair or modify the product at your own discretion.
- Fire or electric shock accident can occur.
- Contact the service center for check, calibration or repair.
• When the display is to be left unattended for an extended period of time, unplug it from the wall outlet.
• Keep the product away from water.
- Fire or electric shock accident can occur.
• Do not shock or scratch the front and sides of the screen with metallic objects.
- Otherwise, it may cause damage to the screen.
• Avoid high temperatures and humidity.
CAUTION
• Do not put or store inflammable substances near the product.
- There is a danger of explosion or fire due to careless handling of the inflammable substances.
• When cleaning the product, unplug the power cord and scrub gently with a soft cloth to prevent scratching. Do not
clean with a wet cloth or spray water or other liquids directly onto the product. An electric shock may occur. (Do not
use chemicals such as benzene, paint thinners, or alcohol.)
• Take a rest from time to time to protect your vision.
• Keep the product clean at all times.
• Take a comfortable and natural position when working with a product to relax the muscles.
• Take a regular break when working with a product for a long time.
• Do not press strongly upon the panel with a hand or sharp object such as nail, pencil, or pen, or make a scratch on it.
• Keep the proper distance from the product.
- Your vision may be impaired if you look at the product too closely.
• Set the appropriate resolution and clock by referring to the User’s Guide.
- Your vision can be impaired.
• Use authorized detergent only when cleaning the product. (Do not use benzene, thinner, or alcohol.)
- Product can be deformed.
• Do not expose to dripping or splashing and do not place objects filled with liquids, such as vases, cups, etc. on or over
the apparatus (e.g. on shelves above the unit).
• Batteries should not be exposed to excessive heat. For example, keep away from direct sunlight, open fireplace, and
electric heaters.
• Do NOT place non-rechargeable batteries in charging device.
• Using headsets (earphones) for a long time or listening loudly can cause damage to your hearing.
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• Spray water onto a soft cloth 2 to 4 times, and use it to clean the front frame; wipe in one direction only. Too much
moisture may cause staining.
CHEMICALS
WATER
• Do not use products using high voltage around the Monitor. (e.g., a bug zapper)
- Monitor may have malfunction as its electrical shock.
Mounting on a Wall
• Do NOT install this product by yourself as you may injure yourself or cause damage to product. Please contact service
personnel authorised by manufacturer.
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LICENSES
The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI logo are trademarks or registered
trademarks of HDMI Licensing LLC in the United States and other countries.
Manufactured under license from Dolby Laboratories. Dolby and the double-D symbol are trademarks of Dolby
Laboratories.
For DTS patents, see http://patents.dts.com. Manufactured under license from DTS Licensing Limited. DTS, DTS-HD,
the Symbol, & DTS or DTS-HD and the Symbol together are registered trademarks of DTS, Inc. © DTS, Inc. All Rights
Reserved.
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ASSEMBLY AND PREPARATION
CAUTION
• Always use genuine components to ensure safety and product performance.
• The product warranty will not cover damage or injury caused by the use of counterfeit components.
• Connect the power cord to the product before you plug it into a wall outlet. Plugging the power cord into a wall
outlet first may cause an electric shock, which can also damage the product.
NOTE
• The accessories provided with your product may vary depending on the model or region.
• Product specifications or contents in this manual may be changed without prior notice due to upgrade of product
functions.
• SuperSign Software & Manual
- Downloading from the LG Electronics website.
- Visit the LG Electronics website (http://partner.lge.com) and download the latest software for your model.
• The warranty will not cover any damage caused by using the product in an excessively dusty environment.
• If it is difficult to assemble the optional accessories and pipe, rub lubricant that can be purchased from stores on the
screw parts before assembly.
WARNING
• The product warranty does not cover any electrostatic damage to parts that may occur during product installation.
Wear the appropriate gear that can prevent electrostatic discharge (ESD) when installing the product.
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Optional Accessories
Without prior notice, optional accessories are subject to change to improve the performance of the product, and new
accessories may be added. The illustrations in this manual may differ from the actual product and accessories.
OPS kit
KT-OPSA
Screws
Connecting Cable
Card (Easy Setup Guide)
Fixed Ceiling Mount Kit
Power Cord
Stand Kit
Wall Mount Kit
Rotational Ceiling Mount Kit
Signage Box Cover
Cylinder Stand Kit
NOTE
• Optional accessories are available for some models. If necessary, please purchase them separately.
• Before you attach the OPS kit or Media Player, connect the cable to the port.
• You can obtain additional accessories from your local retail store.
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IR Receiver/ Power Indicator
The image may be different according to the model.
Power Indicator
• LED On: Power is off
• LED Off: Power is on
• LED Flashing: The Clear Panel Noise feature
IR Receiver
is operating (OFF-RS / JB).
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REMOTE CONTROL
The descriptions in this manual are based on the buttons on the remote control. Please read this manual carefully to
use the monitor correctly. To install batteries, open the battery cover, place batteries (1.5 V AAA) matching
and
terminals to the labels inside the compartment, and close the battery cover. To remove the batteries, perform the
installation actions in reverse. The illustrations may differ from the actual accessories.
CAUTION
• Do not mix old and new batteries, as this may damage the remote control.
• Be sure to point the remote control toward the remote control sensor on the monitor.
• Some features of the remote control may not be supported in certain models.
Turns the monitor on or off.
Turns the monitor on.
Turns the monitor off.
Swaps the images on the front and back of the screens.
(INPUT) Selects the input mode.
Makes the image on the back of the screens mirror the
image on the front of the screens.
Toggles between numerical and alphabetical.
Number and Alphabet buttons
Enters numerical or alphabetical characters depending upon the setting.
Deletes the entered numerical or alphabetical character.
Volume Up/Down Button Adjusts the volume.
Selects the Aspect Ratio mode.
Automatically adjusts picture position and minimizes image
instability (available for RGB input only).
(MUTE) Mutes all sounds.
Adjusts the brightness of the display. PAGE function is
not supported in this model.
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Selects the Picture Mode.
(HOME) Activates the Launcher.
Enters the White Balance menu.
(SETTINGS) Accesses the main menus or saves your input and exit
menus.
SuperSign menu key.
Navigation Buttons Scrolls through menus or options.
Selects menus or options and confirms your input.
(BACK) Allows you to move back one step in the user interaction
function.
Quit all OSD tasks and applications.
Allows you to control various multimedia devices to enjoy
multimedia simply by using the remote control through the SimpLink
menu.
Selects the TILE Mode.
When the Picture ID number matches the Set ID
number, you can control whichever monitor you want in multi-display
format.
USB Menu Control Buttons Controls media playback.
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MAKING CONNECTIONS
You can connect various external devices to your monitor. Change the input mode and select the external device you
want to connect. For more information about external device connections, see the user manual provided with each
device.
Connecting to a PC
Some of the cables are not provided. This monitor supports the Plug and Play* feature.
* Plug and Play: a feature that enables a PC to recognize devices attached by the user without device configuration or
user intervention when powering up.
Connecting USB Devices
Some USB devices that do not meet USB 3.0 requirements may not function properly when connected. If this is the
case, connect them to the USB 2.0 port.
External Device Connection
Some of the cables are not provided. Connect a HD receiver, DVD, or VCR player to the monitor and select an
appropriate input mode.
For the best picture and sound quality, connecting external devices to your monitor using HDMI cables is recommended.
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NOTE
• For the best image quality, using the monitor with HDMI connection is recommended.
• To comply with the specifications of the product, use a shielded interface cable with ferrite core, such as a DVI-D/
HDMI cable.
• If you turn the monitor on when the set is cold, the screen may flicker. This is normal.
• Sometimes red, green, or blue spots may appear on the screen. This is normal.
• Use a High Speed HDMI®/TM cable (shorter than 3 meters).
• Use a certified cable with the HDMI logo attached. If you do not use a certified HDMI cable, the screen may not
display or a connection error may occur.
• Recommended HDMI Cable Types
- High-Speed HDMI®/TM Cable
- High-Speed HDMI®/TM Cable with Ethernet
• If you cannot hear any sound in HDMI mode please check your PC settings. Some PCs require you to manually change
the default audio output to HDMI.
• If you want to use HDMI-PC mode, you must set your PC/DTV to PC mode.
• You may experience compatibility issues if you use HDMI-PC mode.
• Make sure the power cable is disconnected.
• If you connect a gaming device to the monitor, use the cable provided with the gaming device.
CAUTION
• Connect the signal input cable and tighten it by turning the screws clockwise.
• Do not press the screen with your finger for a prolonged period as this may result in temporary distortion on the
screen.
• Avoid displaying static images on the screen for a long period of time to prevent image burn. Use a screensaver if
possible.
• A wireless communication device near your monitor can affect the image.
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Using the Input List
(HOME)→
• HDMI → DVI-D → DISPLAYPORT → OPS
NOTE
• OPS input will be disabled on the back of the screens.
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TROUBLESHOOTING
No image is displayed.
Problem
Action
Is the product power cord connected?
• Check if the power cord is correctly plugged into the power outlet.
Does the “Invalid Format” message
appear?
• The signal from the PC (Graphics card) is out of the vertical or
horizontal frequency range of the product. Adjust the frequency range
by referring to the Specifications in this manual.
Does the “No Signal” message appear?
• The signal cable between PC and product is not connected. Check the
signal cable.
• Press the INPUT menu in the remote control to check the input signal.
The “Unknown Product” message appears when the product is connected.
Problem
Action
Did you install the driver?
• Check if the Plug and Play function is supported by referring to the
graphics card user manual.
The screen image looks abnormal.
Problem
Action
Is the screen position wrong?
• Check if the graphics card resolution and frequency are supported by
the product. If the frequency is out of range, set to the recommended
resolution in the [Control Panel] → [Display] → [Setting] menu. (The
settings may differ depending on your operating system.)
The screen is displayed abnormally.
• The proper input signal is not connected to the signal port. Connect the
signal cable that matches with the source input signal.
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The audio function does not work.
Problem
Action
No sound?
• See if the audio cable is connected properly.
• See if the sound is set properly.
Sound is too dull.
• Select the appropriate equalizer sound.
Screen color is abnormal.
Problem
Action
Screen has poor color resolution (16
colors).
• Set the number of colors to more than 24 bits (true color). Select
[Control Panel] → [Display] → [Settings] → [Color Table] in Windows.
(The settings may differ depending on your operating system.)
Screen color is unstable or mono-colored. • Check the connection status of the signal cable. Or, re-insert the PC
graphics card.
Do black spots appear on the screen?
• Several pixels (red, green, white, or black color) may appear on the
screen, which can be attributable to the unique characteristics of the
OLED panel. This is not a malfunction of the OLED.
The operation does not work normally.
Problem
Action
The power suddenly turned off.
• Is the Timer set?
• Check the power control settings. Power interrupted.
• Are the fans functioning properly?
- View the fan status in HOME → Information → Fan Status.
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CAUTION
• Image sticking may occur when displaying a fixed image for an extended period of time. It is recommended that you
display videos for 12 hours or less per day to decrease the likelihood of image sticking.
• A few horizontal lines may appear on the screens while running the Clear Panel Noise feature (OFF-RS). This is
normal, so there is no need for concern. Turning the power on while the Clear Panel Noise feature (OFF-RS) is
operating may cause the product to malfunction. Turn the power on when the Power Indicator LED stops flashing and
remains on.
• OFF-RS: Removes image sticking through TFT degradation compensation. Runs after 4 hours of use.
JB: Removes image sticking through OLED degradation compensation. Runs after 2000 hours of use.
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PRODUCT SPECIFICATIONS
The product specifications below may be changed without prior notice due to upgrade of product functions.
“
” refers to alternating current (AC), and “
” refers to direct current (DC).
OLED screen
Screen type
Thin Film Transistor (TFT)
OLED Screen
Operating conditions
Video signal
Daily usage
12 hours (video)
Maximum resolution
DVI-D / HDMI / DisplayPort / OPS: 1920 x 1080 @ 60 Hz
- This may not be supported on some OS or graphics card
types.
Recommended resolution DVI-D / HDMI / DisplayPort / OPS: 1920 x 1080 @ 60 Hz
- This may not be supported on some OS or graphics card
types.
Horizontal frequency
Vertical frequency
Synchronization
DVI-D/ HDMI/ DisplayPort/ OPS: 30 kHz to 83 kHz
DVI-D/ HDMI/ DisplayPort/ OPS: 50 Hz to 60 Hz
Separate/Digital
Input/ Output ports
Embedded battery
RS-232C IN/OUT, LAN, HDMI IN, DVI-D IN, DP IN, USB 2.0 IN, AUDIO OUT, USB 3.0 IN, HDMI
OUT, 16/22PIN POWER
Applied
Environmental
Conditions
Operating Temperature
Operating Humidity
Storage Temperature
Storage Humidity
Pixel Pitch
0 °C to 40 °C
10 % to 80 %
-20 °C to 60 °C
5 % to 85 %
OLED Panel
Power
0.630 mm (H) X 0.630 mm (V)
AC 100-240 V ~ 50/60 Hz 5.8 A
On Mode: 375 W (Typ.)
Sleep Mode (DVI-D, HDMI, DisplayPort): ≤ 3.0 W
Off Mode: ≤ 0.5 W
Rated Voltage
Power Consumption
Dimensions (Width x
Height x Depth)
Display
1227.6 mm x 702.7 mm x 8.9 mm
Dimensions (Width
x Height x Depth) /
Weight
Display + T-con box
Signage Box
1227.6 mm x 880.5 mm x 90.0 mm / 20.3 kg
482.1 mm x 460.0 mm x 75.0 mm / 8.0 kg
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[Unit: mm]
Φ38.1
Pitch: 1.2
Φ32.3
Thread height: 0.9
1.9
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ꢇꢃꢅ
ꢀꢁꢁꢂꢃꢄ
ꢆꢂꢄ
ꢂꢃꢄꢅꢆ
ꢂꢈꢃ
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HDMI/ DVI-D/ DisplayPort/ OPS (PC) Support mode
Resolution
640 x 480
Horizontal frequency (kHz)
Vertical frequency (Hz)
31.469
37.879
48.363
44.772
47.7
59.94
60.317
60.0
800 x 600
1024 x 768
1280 x 720
1366 x 768
1280 x 1024
1680 x 1050
1920 x 1080
59.855
60
63.981
65.290
67.5
60.02
59.954
60
HDMI/ DisplayPort/ OPS (DTV) Support Mode
Resolution
480/60p
576/50p
720/50p
720/60p
1080/50i
1080/60i
1080/50p
1080/60p
Horizontal frequency (kHz)
Vertical frequency (Hz)
31.5
31.25
37.5
45
60
50
50
60
50
60
50
60
28.1
33.75
56.25
67.5
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NOTE
• Resolutions available for the Input Label option in HDMI/ DVI-D/ DisplayPort/ OPS input modes.
- PC resolutions: 1280 x 720 / 60 Hz, 1920 x 1080 / 60 Hz
- DTV resolutions: 480p, 720p and 1080p
• Vertical frequency: The product display functions by the screen image changing dozens of times every second like a
fluorescent lamp. The vertical frequency or refresh rate is the number of image displays per second. The unit is Hz.
• Horizontal frequency: The horizontal interval is the time taken to display one horizontal line. When 1 is divided by
the horizontal interval, the number of horizontal lines displayed every second can be tabulated as the horizontal
frequency. The unit is kHz.
Make sure to read the Safety Precautions before using the
product.
The model and serial numbers of the SET are located on the
back and one side of the SET. Record it below should you ever
need service.
MODEL
SERIAL
Temporary noise is normal when powering ON or OFF this
device.
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