Dell C8618QT User manual

Model: C8618QT
Regulatory model: C8618QTt
Dell C8618QT
User’s Guide

NOTE: A NOTE indicates important information that helps you make better use of your
computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if
instructions are not followed.
WARNING: A WARNING indicates a potential for property damage, personal injury,
or death.
Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are
trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
2017 – 05
Rev. A01

Contents
About Your Display ..................................5
Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Identifying Parts and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Display Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Plug-and-Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
LCD Display Quality and Pixel Policy. . . . . . . . . . . . . . . . . . . . . . .25
Setting Up the Display ..............................26
Connecting Your Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Wall Mounting (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Remote Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Operating the Display...............................35
Turning on the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Touch OSD Launcher. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Using the Touch Control Launcher. . . . . . . . . . . . . . . . . . . . . . . .36
Using the On-Screen Display (OSD) Menu . . . . . . . . . . . . . . . . . . . 37
Dell Web Management for Displays . . . . . . . . . . . . . . . . . . . . . . . 51
Troubleshooting ...................................56
Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Built-in Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Contents | 3

4| Contents
Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Product Specific Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Touchscreen Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Universal Serial Bus (USB) Specific Problems . . . . . . . . . . . . . . . . . 62
Ethernet Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Appendix.........................................64
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
FCC Notices (U.S. only) and Other Regulatory Information . . . . . . . . . . 64
Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Setting Up Your Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Maintenance Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

About Your Display | 5
About Your Display
Package Contents
Your display ships with the components shown below. Make sure that you have received all the
components and contact Dell if something is missing.
NOTE: Some items may be optional and may not ship with your display. Somefeatures
or media may not be available in certain countries.
Display
Remote Control & Batteries
(AAA x 2)
Remote control holder

6 | About Your Display
Stylus x 2
Stylus holder
Wire Saddle x 3
Allen key with hook
Power cable (varies by country)
Power cable for connecting
Optiplex system to display
(see Optiplex (Optional))
USB 3.0 upstream cable (enables
the USB ports on the display)

About Your Display | 7
DP cable (DP to DP)
VGA cable
HDMI cable
• Drivers and documentation
media
• Safety, Environmental and
Regulatory Information
• DisplayNote License Key
• Quick Setup Guide

8 | About Your Display
Product Features
The Dell C8618QT display has an active matrix, thin film transistor (TFT), liquid crystal display
(LCD), and LED backlight. The display features include:
• 217.427 cm (85.60-inch) active area display (Measured diagonally) 3840 x 2160 (16:9 aspect
ratio) resolution, plus full-screen support for lower resolutions.
• Video Electronics Standards Association (VESA™) 600 x 400 mm mounting holes.
• Plug and play capability if supported by your system.
• On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.
• Software and documentation media includes an information file (INF), Image
color Matching File (ICM), Dell Display Manager software application and product
documentation.
• Security lock slot.
• Supports Asset Management Capability.
• Arsenic-Free glass and Mercury-Free for Panel only.
• 0.5 W standby power when in the sleep mode.
• Easily setup with Dell Optiplex Mirco PC (Mirco Form Factor).
• Up to 20 points and 4 pens InGlass (TM) Touch technology.
• Optimize eye comfort with a flicker-free screen.
• The possible long-term effects of blue light emission from the display may cause damage
to the eyes, including eye fatigue or digital eye strain. ComfortView feature is designed to
reduce the amount of blue light emitted from the display to optimize eye comfort.

About Your Display | 9
Identifying Parts and Controls
Front view
Label Description
1Screen drop down touch key
2IR Lens
3OSD Launcher touch key (For more information, see Operating the Display)
4Power on/off button (with LED indicator)

10 | About Your Display
Back View
Label Description Use
1Mounting provision for WR517 (optional
item)
For Dell Wireless Receiver :
WR517(optional)
2Wire Saddle Use to handle display during installation
3Handle x 4 Use to move the display.
4VESA mounting holes (600 x 400 mm) To mount the display.
5Security lock slot Secures Optiplex with security cable lock
(sold separately).
6Optiplex holder Use to hold a Micro Form Factor Optiplex
PC.
7Allen key Use to tighten or loosen handle screws.
8Barcode, serial number, and Service Tag
label
Refer to this label if you need to contact
Dell for technical support.
9Regulatory label List of approved regulatory labels.
10 AC to optiplex (optional) AC power to optiplex power adapter.
11 AC power connector To connect the display power cable.

About Your Display | 11
Side View
Label Description Use
1a HDMI 1 connector
Connect your computer with HDMI cable.
1b HDMI 2 connector
1c HDMI 3 connector
1d HDMI 4 connector
2DP connector Connect your computer with DP cable.
3VGA connector Connect your computer with VGA cable.
4Audio line-in port Analog audio (two channel) input.
5Audio line-out port Connect to external audio peripherals.
Only supports 2-channel audio.
NOTE: The audio line-out port does not support
headphones.
6USB 3.0 upstream ports
(3)
Connect the USB cable that comes with your display to the
computer. Once this cable is connected, you can use the
USB downstream connectors on the display and the touch
screen function on the display.

12 | About Your Display
7USB 3.0 downstream
ports (3)
Connect your USB device.
You can only use this connector after you have connected
the USB cable to the computer and USB upstream
connector on the display.
8USB Dedicated charging
port
USB 3.0 with 12.5 W - For WR517 Wireless
Receiver(Optional) Power supply (5V/2.5A)
9RS232 connector Remote management and control of display via RS232
10 RJ-45 connector Remote Network Management and control of display via
RJ-45
Input sources and USB pairing
Input sources USB upstream
HDMI 1 USB 1
HDMI 2 USB 2
HDMI 3
USB 3
HDMI 4
DP
VGA
Bottom View
Label Description Use
1, 2 Speakers
3Power on/off button

About Your Display | 13
Display Specifications
Screen type Active matrix - TFT LCD
Panel Type In-plane switching Technology
Aspect ratio 16:9
Viewable image dimensions
Diagonal 217.427 cm (85.60 inches)
Active Area
Horizontal 1895.04 mm (75.68 inches)
Vertical 1065.96 mm (41.97 inches)
Area 2020039.84 mm2(3131.06 inches2)
Pixel pitch 0.4935 mm x 0.4935 mm
Pixel per inch (PPI) 51
Viewing angle
Horizontal 178° (typical)
Vertical 178° (typical)
Panel brightness 360 cd/m² (typical)
Contrast ratio 1200 to 1 (typical)
Display screen coating 7H, Anti-Smudge, Anti-Glare
Response Time 8 ms typical (G to G), 12 ms max (G to G )
Color depth 1.07 Billon colors
Color gamut NTSC ( 72%)
Connectivity •1 x DP 1.2
•1 x VGA
•4 x HDMI 2.0
•3 x USB 3.0 downstream port
•1 x USB Dedicated charging port
USB 3.0 with 12.5W (For WR517 Wireless
receiver(Optional) Power supply (5V/2.5A))
•3 x USB 3.0 upstream port
•1 x Analog 2.0 audio line out (3.5 mm jack)
•1 x Analog 2.0 audio line in (3.5 mm jack)
•1 x RJ-45
•1 x RS232
Border width (edge of display to
active area)
31.9 mm (Top)
31.9 mm (Left/Right)
31.9 mm (Bottom)

14 | About Your Display
Cable management Yes
Touch
Type InGlass Touch Technology (TM)
Input Method Bare finger and stylus
Interface USB HID Compliant
Touch Driver Windows driver installation for Windows 7
Touch point Up to 20 points touch
Up to 4 pens
NOTE: Touch, Pen and Eraser differentiation ready (functionality subject to application).
Support OS
OS Version Touch Pen Eraser
Windows 7 Pro and Ultimate 20 4 1
8, 8.1 20 4 1
10 20 4 1
Chorme OS Linux kernel version 3.15 (3.10) or later120 4 (0) 1 (0)
Android 4.4 (KitKat) with Linux kernel 3.15 (3.10) or later120 4 (0) 1 (0)
Other Linux
based OS
Linux kernel 3.15 or later 20 4 1
macOS 10.10, 10.11 1 (mouse2) No
1 Functionality of Linux kernel has been verified on Ubuntu 14.04 and Debian 8. Functionality of
Chrome OS and Android with Linux kernel 3.15 needs comfirmation.
2Mouse emulation in landscape mode. Full multi-touch requires additional drivers on the host
system.
Touch sensor input accuracy
Ty p 1 Max2Unit
Touch sensor input accuracy
Center area31.0 1.5 mm
Edge area41.2 2.0 mm
1Average accuracy at the specified input area.
295-percentile accuracy of specified input area.
3>20 mm from active touch area edge
4>20 mm from active touch area edge
Note that touch sensor input accuracy is defined relative to the active touch area as defined in

About Your Display | 15
the reference drawing (listed in 8.1). The overall system accuracy, of touch co-ordinates relative
to display co-ordinates, is directly affected by integration assembly tolerances.
Resolution Specifications
Horizontal scan range 30 kHz to 140 kHz (DP/HDMI)
Vertical scan range 24 Hz to 75 Hz (DP/HDMI)
Maximum preset resolution 3840 x 2160 at 60 Hz
Video display capabilities
(DP & HDMI playback)
480p, 576p, 720p, 1080i, 1080p, 2160p
NOTE:VGA input resolution supported is 1920 x 1080 only.
Preset Display Modes
Display Mode Horizontal
Frequency
(kHz)
Vertical
Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(Horizontal/
Vertical)
720 x 400 31.5 70.0 28.3 -/+
640 x 480 31.5 60.0 25.2 -/-
640 x 480 37.5 75.0 31.5 -/-
800 x 600 37.9 60.0 40.0 +/+
800 x 600 46.9 75.0 49.5 +/+
1024 x 768 48.4 60.0 65.0 -/-
1024 x 768 60.0 75.0 78.8 +/+
1152 x 864 67.5 75.0 108.0 +/+
1280 x 800 49.3 60.0 71.0 +/+
1280 x 1024 64.0 60.0 108.0 +/+
1280 x 1024 80.0 75.0 135.0 +/+
1600 x 1200 75.0 60.0 162.0 -/+
1920 x 1080 67.5 60.0 193.5 +/+
2048 x 1152 71.6 60.0 197.0 +/-
2560 x 1440 88.8 60.0 241.5 +/-
3840 x 2160 65.68 30.0 262.75 +/+
3840 x 2160 133.313 60.0 533.25 +/+

16 | About Your Display
Electrical Specifications
Video input signals •Digital video signal for each dierential line
Per dierential line at 100 ohm impedance
•DP/HDMI/VGA signal input support
Input voltage/ frequency/current 100-240 VAC / 50 or 60 Hz ± 3 Hz / 7 A (maximum)
Output voltage/ frequency/current 100-240 VAC / 50 or 60 Hz ± 3 Hz / 2 A (maximum)
Inrush current 120 V: 60 A (Max.) at 0 °C (cold start)
240 V: 120 A (Max.) at 0 °C (cold start)
Physical Characteristics
Connector type •DP connector
•VGA connector
•HDMI connector
•Audio line-out
•Audio line-in
•USB 3.0 connector
• USB Dedicated charging port- supplying power of up
to 5 V (max 2.5A) for connected devices
•RJ-45
•RS232 connector
Signal cable type (in-box) DP, 3 m cable
HDMI, 3 m cable
VGA, 3 m cable
USB 3.0, 3 m cable
Dimensions
Height 1183.7 mm (46.60 inches)
Width 1995.2 mm (78.55 inches)
Depth 102 mm (4.02 inches)
Weight
Weight with packaging 148 kg (326.28 lb)
Weight without packaging 123 kg (271.17 lb)

About Your Display | 17
Environmental Characteristics
Compliant Standards
RoHS Compliant yes
Temperature
Operating 0 °C to 40 °C (32 °F to 104 °F)
Non-operating –20 °C to 60 °C (–4 °F to 140 °F)
Humidity
Operating 10% to 80% (non-condensing)
Non-operating 5% to 90% (non-condensing)
Altitude
Operating 5,000 m (16,404 ft) (maximum)
Non-operating 12,192 m (40,000 ft) (maximum)
Thermal dissipation 1535.46 BTU/hour (maximum)
726.10 BTU/hour (typical)

18 | About Your Display
Power Management Modes
If you have VESA’s DPM-compliant video card or software installed in your PC, the display can
automatically reduce its power consumption when not in use. This is referred to as power save
mode*. If the computer detects input from the keyboard, mouse, or other input devices, the
display automatically resumes functioning. The following table shows the power consumption
and signaling of this automatic power saving feature.
VESA
Modes
Horizontal
Sync
Vertical
Sync
Video Power Indicator Power Consumption
Normal
operation
Active Active Active White 450 W (maximum)**
212.8 W (typical)
Active-off
mode
Inactive Inactive Off White
(Glowing)
Less than 0.5 W
Switch off - - - Off Less than 0.5 W
The OSD operates only in the normal operation mode. If you press any button in the active-off
mode, the following message is displayed:
*Zero power consumption in OFF mode can only be achieved by disconnecting
the AC main cable from the display.
**Maximum power consumption with maximum luminance.
Activate the computer and the display to gain access to the OSD.

About Your Display | 19
Pin Assignments
DP connector
Pin number 20-pin side of theconnected signal cable
1ML3(n)
2GND
3ML3(p)
4ML2(n)
5GND
6ML2(p)
7ML1(u)
8GND
9ML1(p)
10 ML0(n)
11 GND
12 ML0(p)
13 CONFIG1/(GND)
14 CONFIG2/(GND)
15 AUX CH (p)
16 DP_Cable Detect
17 AUX CH (n)
18 Hot Plug Detect
19 GND
20 +3.3V DP_PWR

20 | About Your Display
VGA connector
Pin number 15-pin side of theconnected signal cable
1Video-Red
2Video-Green
3Video-Blue
4NC
5Self-test
6GND-R
7GND-G
8GND-B
9Computer 5 V / 3.3 V
10 GND-sync
11 GND
12 DDC data
13 H-sync
14 V-sync
15 DDC clock