Monoprice 12156 User Manual
CONTENTS
SAFETY WARNINGS AND GUIDELINES ................................................................................. 3
FEATURES ............................................................................................................................... 4
PACKAGE CONTENTS............................................................................................................. 4
CONNECTIONS ........................................................................................................................ 5
CONTROLS ............................................................................................................................... 6
SETUP ....................................................................................................................................... 7
MONITOR STAND & BASE ....................................................................................................... 7
VIEWING ANGLE ADJUSTMENT ............................................................................................. 9
MAIN INPUT SELECTION ......................................................................................................... 9
ON-SCREEN DISPLAY (OSD) MENU .................................................................................... 10
Basic Menu Operation .......................................................................................................... 10
Input Menu ........................................................................................................................... 11
Picture Menu ........................................................................................................................ 12
PiP/PbP Menu ...................................................................................................................... 13
Audio Menu .......................................................................................................................... 14
Color Menu .......................................................................................................................... 15
Language Menu ................................................................................................................... 16
OSD Settings Menu ............................................................................................................. 17
Setup Menu .......................................................................................................................... 18
TECHNICAL SUPPORT .......................................................................................................... 18
WARRANTY ............................................................................................................................ 18
TROUBLESHOOTING............................................................................................................. 19
SPECIFICATIONS ................................................................................................................... 20
2
SAFETY WARNINGS AND GUIDELINE S
• Do not place the monitor on an unstable surface where it could fall and cause either
personal injury or damage to the monitor and/or other equipment.
• Do not expose the monitor to water or moisture of any kind. Do not place objects
containing moisture, such as a glass or vase, where it could tip over and spill into or
onto the monitor.
• If the monitor is exposed to water or moisture, immediately unplug it from its power
source and allow it to completely dry out before reapplying power.
• Do not block the ventilation holes in the monitor's casing. Do not place the monitor in a
confined space with inadequate ventilation.
• Do not place the monitor near a heat source, such as a fireplace, heating vent, radiator,
etc.
• The power supply for this monitor uses a NEMA 5-15 three prong, grounded plug. Do
not use a "cheater" plug or otherwise bypass the grounding pin.
• The power supply for this monitor accepts a wide range input voltages, from 100 to 240
VAC, 50 or 60 Hz, with a current at least 1.75A. Ensure that your power source is within
these limits. If not, consult a professional electrician or your power company for a
resolution.
• Unplug the monitor if it will go unused for a long period of time.
• This monitor has no user serviceable parts. Do not open the case or otherwise attempt
to modify this monitor.
• Clean only using a soft, dry cloth. Do not use chemical cleaners, solvents, or
detergents. For stubborn deposits, moisten the cloth with warm water.
• Do not leave a single image on the display for a long period of time. Doing so could
cause "burn-in" of the image. It is recommended to use a variable desktop background
and to use a screen saver to prevent "burn-in". Alternatively, ensure that the monitor is
power off for at least 2 hours out of ever y 12.
3
FEATURES
• 28" UHD monitor with LED backlighting
• 16:9 aspect ratio
• 3840 x 2160 @ 60Hz maximum resolution using the DisplayPort inputs
• 2 DisplayPort inputs, which allow for up to 60Hz frame rate at the 4K resolution
• 2 HDMI-MHL inputs, which allow use of a passive MHL cable to connect your
smartphone directly to the monitor
• 1 Dual Link DVI-D input
• Detachable stand allows for tilt and swivel, plus rotation for easy portrait/landscape
orientation changes
• Built-in stereo speakers with 2 watts/chann el amplifier
• 100 x 100 VESA mounting pattern
PACKAGE CONTENTS
Please take an inventory of the package contents to ensure you have all the items listed
below. If anything is missing or damaged, please contact Monoprice Customer Service for a
replacement.
1x 28" UHD LED monit or
1x Adjustable stand
1x Stand base
4x M4x8 stand mount sc rews
1x AC power adapter
1x AC power cord
1x 3.5mm TRS audio cable
1x Dual Link DVI-D video cable
1x User's manual
4
CONNECTIONS
1
HDMI 2-MHL
HDMI 1.4 video input with MHL support
2
HDMI 1-MHL
HDMI 1.4 video input with MHL support
3
DP 2
DisplayPort 1.2 video input
4
DP 1
DisplayPort 1.2 video input
5
DVI
Dual Link DVI-D video input
6
Line In
3.5mm TRS stereo audio input
7
DC In
DC power input
1 2 3 4 5 6 7
HDMI Note: This monitor is capable of displaying the full 4K resolution (3840x2160@30Hz)
using an HDMI connection, however the HDMI source must support the 4K feature, as defined
in the HDMI version 1.4 specification, and you must use a High Speed HDMI cable (not
included).
DisplayPort Note: This monitor supports the full 4K resolution (3840x2160@60Hz) at the full
60Hz refresh rate, however the DisplayPort source and cable must comply with the
DisplayPort version 1.2 specification (cable not inclu ded) .
DVI Note: This monitor features a Dual Link DVI-D input port. Your DVI source must support
Dual Link DVI-D and you must use a Dual Link DVI-D cable (included), which has a pinout that
looks like this:
5
CONTROLS
1. -/ : If the OSD menu is displayed and an entry has been opened for editing, pressing the -/
button decreases the selected value. If the OSD is not displayed, pressing the -/ button
opens the brightness adjustment control. With either the brightness or volume adjustment
control displayed, pressing the -/ button decreases the br ightness or volume.
2. +/ : If the OSD menu is displayed and an entry has been opened for editing, pressing the +/
button increases the selected value. If the OSD is not displayed, pressing the +/ button
opens the volume adjustment control. With either the brightness or volume adjustment
control displayed, pressing the +/ button increases the brightness or volume.
3. DOWN: If the OSD menu is displayed, pressing the DOWN button moves the selection
highlight down. If the OSD menu is not displayed, the button has no effect.
4. UP: If the OSD menu is displayed, pressing the UP button moves the selection highlight up.
If the OSD menu is not displayed, this button has no effect.
5. SELECT: If the OSD menu is displayed, pressing the SELECT button either selects the
currently highlighted menu option or opens the currently highlighted menu entry for editing. If
the OSD menu is no t di spl ayed, pressing the SELECT butt on ope ns the INPUT
SELECTION menu and selects the currently highlighted video input. Note that if only a
single video signal is present on any input, the monitor will automatically switch to the active
input.
6. MENU: If the OSD menu is not displayed, pres si ng the MENU button opens the OSD menu.
If the OSD menu is displayed pressing the MENU button will back out of a submenu or close
the OSD menu if already at the top menu level.
7. POWER: Press the PO WER button to toggle the monitor ON or OFF. When the monitor is
powered on and a video signal is present, the power indicator will glow blue. When the
monitor is powered on but no video signal is present, the power indicator will glow
yellow/orange.
6
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