Dell C7520QT User manual

Model: C7520QT
Regulatory model: C7520QTt
Dell C7520QT
User’s Guide

NOTE: A NOTE indicates important information that helps you make better use of your
display.
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 © 2018-2020 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.
2020 – 11
Rev. A02

Contents
About Your Display ..................................5
Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Identifying Parts and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Display Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Plug-and-Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
LCD Display Quality and Pixel Policy. . . . . . . . . . . . . . . . . . . . . . .24
Setting Up the Display ..............................25
Connecting Your Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Wall Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Remote Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Operating the Display...............................34
Turning on the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Touch OSD Launcher. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Using the Touch Control Launcher. . . . . . . . . . . . . . . . . . . . . . . .35
Using the OSD lock function. . . . . . . . . . . . . . . . . . . . . . . . . . .36
Using the On-Screen Display (OSD) Menu . . . . . . . . . . . . . . . . . . . 37
Dell Web Management for Displays . . . . . . . . . . . . . . . . . . . . . . . 52
Troubleshooting ...................................57
Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Contents | 3

4| Contents
Built-in Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Product Specific Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Touchscreen Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Universal Serial Bus (USB) Specific Problems . . . . . . . . . . . . . . . . . 63
Ethernet Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Appendix.........................................65
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
FCC Notices (U.S. only) and Other Regulatory Information . . . . . . . . . . 65
Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
EU product database for energy label and product information sheet . . . . . 65
Setting Up Your Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Maintenance Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

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
may not be available in certain countries.
Display
Remote Control & Batteries
(AAA x 2)
Stylus x 2

6 | About Your Display
(Remote control & Stylus holder)
x 3
Wire Saddle x 3
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)
DP cable (DP to DP)
VGA cable
HDMI cable
• Flatfrog Whiteboard
Software download
instruction
• Safety, Environmental and
Regulatory Information
• Quick Setup Guide

About Your Display | 7
Product Features
The Dell C7520QT display has an active matrix, thin film transistor (TFT), liquid crystal display
(LCD), and LED backlight. The display features include:
• 189.273 cm (74.52-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™) 400 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.
• Security lock slot.
• Supports Asset Management Capability.
• Arsenic-Free glass and Mercury-Free for Panel only.
• ≤ 0.3 W in Standby Mode.
• Easily setup with Dell Optiplex Mirco PC (Mirco Form Factor).
• Up to 20 points and 4 pens InGlassTM 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.

8 | About Your Display
Identifying Parts and Controls
Front view
25 3
11
4
Label Description
1Screen drop down touch key
2IR Lens
3Power on/off button
4Power LED indicator
Solid white light indicates the monitor is turned on and functioning normally. Blinking
white light indicates the monitor is in Standby Mode.
5OSD Launcher touch key (For more information, see Operating the Display)

About Your Display | 9
Back View
1
2
3
8 9765
4
11
1
DELL C7520QT
Flat Panel Monitor / 液晶显示器
型号: C7520QT
Input Rating / 输入电源:100-240V ~ 50/60Hz 5.5A
Output Rating / 输出电源:100-240V ~ 50/60Hz 2A
Made in China / 制造地:中国
Manufactured date / 制造日期:
E
t
DELL C7520QT
Flat Panel Monitor / Monitor Plano Panel / Moniteur à écran plat / 液晶顯示器
Model No. /
N° de Modelo
/ Numéro de modèle /型號:
C7520QTt
Input Rating / Entrada / Daya Tegangan / Tension d’entrée: 100-240V ~ 50/60Hz 5.5A
輸入電源:交流電壓100-240伏特,5.5 安培,50/60赫茲
Output Rating / Valores nominales de salida / Nilai Arus Outpu / Puissance de sortie: 100-240V ~ 50/60Hz 2A
輸出電源:交流電壓100-240伏特,2安培,50/60赫茲
Удельная мощность рабочего режима - 0,00X Вт/см2
Потребляемая мощность изделием в режиме ожидания -0,XX Вт
Потребляемая мощность изделием в выключенном режиме - 0,XX Вт
Consumo de energía en operación: XX.XX Wh
Made in China / Fabricado en China / Fabriqué en Chine / Сделано в Китае / 製造地:中國
警語:使用過度恐傷害視力
신청인：Wistron Corporation (For Korea)
Wistron InfoComm (Zhongshan) Corporation Linhai Branch
제조자: Wistron InfoComm (Zhongshan) Corporation Linhai Branch
A/S연락처:080-854-0066
제조국:중국
CAN ICES-3 (B)/NMB-3(B)
R43004
RoHS
И005-19
デル株式会社
IDXXXXXXXXXX
Apparatet må tilkoples jordet stikkontakt.
Apparaten skall anslutas till jordat uttag.
Apparatets stikprop skal tilsluttes en stikkontakt med jord,
som giver forbindelse til stikproppens jord.
Laite on liitettävä suojakoskettimilla varustettuun pistorasiaan.
AddressforEUOnly:
RaheenBusinessPark
LimerickIreland
www.dell.com
XXXXXXXX-XXXXX
X-REM-WT1-C7520QTt
IDXXXXXXXXXX
XXXXXX-XX
IS13252(Part1)/
IEC60950-1
R-41071650
www.bis.gov.in
Label Description Use
1Handle x 4 Use to move the display.
2VESA mounting holes (400 x 400 mm) To mount the display.
3Security lock slot Secures Optiplex with security cable lock
(sold separately).
4Optiplex holder Use to hold a Micro Form Factor Optiplex
PC.
5Serial number, Service Tag label, and
Website Refer to this label if you need to contact
Dell for technical support.
6Barcode, serial number, and Service Tag
label
7Regulatory label List of approved regulatory labels.
8AC to optiplex (optional) AC power to optiplex power adapter.
9AC power connector To connect the display power cable.

10 | About Your Display
Side View
1b
1c
2
3
5
4
9
10
8
6
7
1a
Label Description Use
1a HDMI 1 connector
Connect your computer with HDMI cable.1b HDMI 2 connector
1c HDMI 3 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.