Dahua DHI-ARD822-W2 User manual

Wireless Panic Button
User’s Manual
ZHEJIANG DAHUA VISION TECHNOLOGY CO., LTD. V1.0.0

User’s Manual
I
Foreword
General
This manual introduces the installation, functions and operations of the Wireless Panic Button
(hereinafter referred to as the "button"). Read carefully before using the device, and keep the
manual safe for future reference.
Model
DHI-ARD822-W2 (868); DHI-ARD822-W2
Safety Instructions
The following signal words might appear in the manual.
Signal Words
Meaning
DANGER
Indicates a high potential hazard which, if not avoided, will
result in death or serious injury.
WARNING
Indicates a medium or low potential hazard which, if not
avoided, could result in slight or moderate injury.
CAUTION
Indicates a potential risk which, if not avoided, could result in
property damage, data loss, reductions in performance, or
unpredictable results.
TIPS Provides methods to help you solve a problem or save time.
NOTE Provides additional information as a supplement to the text.
Revision History
Version Revision Content Release Time
V1.0.0 First release. March 2022
Privacy Protection Notice
As the device user or data controller, you might collect the personal data of others such as
their face, fingerprints, and license plate number. You need to be in compliance with your local
privacy protection laws and regulations to protect the legitimate rights and interests of other
people by implementing measures which include but are not limited: Providing clear and
visible identification to inform people of the existence of the surveillance area and provide
required contact information.

User’s Manual
II
About the Manual
●The manual is for reference only. Slight differences might be found between the manual
and the product.
●We are not liable for losses incurred due to operating the product in ways that are not in
compliance with the manual.
●The manual will be updated according to the latest laws and regulations of related
jurisdictions. For detailed information, see the paper user’s manual, use our CD-ROM, scan
the QR code or visit our official website. The manual is for reference only. Slight differences
might be found between the electronic version and the paper version.
●All designs and software are subject to change without prior written notice. Product
updates might result in some differences appearing between the actual product and the
manual. Please contact customer service for the latest program and supplementary
documentation.
●There might be errors in the print or deviations in the description of the functions,
operations and technical data. If there is any doubt or dispute, we reserve the right of final
explanation.
●Upgrade the reader software or try other mainstream reader software if the manual (in PDF
format) cannot be opened.
●All trademarks, registered trademarks and company names in the manual are properties of
their respective owners.
●Please visit our website, contact the supplier or customer service if any problems occur
while using the device.
●If there is any uncertainty or controversy, we reserve the right of final explanation.

User’s Manual
III
Important Safeguards and Warnings
This section introduces content covering the proper handling of the device, hazard protection,
and protection of property damage. Read carefully before using the device, and comply with
the guidelines when using it.
Operation Requirements
●Make sure that the power supply of the device works properly before use.
●Do not pull out the power cable of the device while it is powered on.
●Only use the device within the rated power range.
●Transport, use and store the device under allowed humidity and temperature conditions.
●Prevent liquids from splashing or dripping on the device. Make sure that there are no
objects filled with liquid on top of the device to avoid liquids flowing into it.
●Do not disassemble the device.
Installation Requirements
●Connect the device to the adapter before power on.
●Strictly abide by local electrical safety standards, and make sure that the voltage in the area
is steady and conforms to the power requirements of the device.
●Do not connect the device to more than one power supply. Otherwise, the device might
become damaged.
●Observe all safety procedures and wear required protective equipment provided for your
use while working at heights.
●Do not expose the device to direct sunlight or heat sources.
●Do not install the device in humid, dusty or smoky places.
●Install the device in a well-ventilated place, and do not block the ventilator of the device.
●Use the power adapter or case power supply provided by the device manufacturer.
●The power supply must conform to the requirements of ES1 in IEC 62368-1 standard and
be no higher than PS2. Note that the power supply requirements are subject to the device
label.
●Connect class I electrical appliances to a power socket with protective earthing.

User’s Manual
IV
Table of Contents
Foreword............................................................................................................................................................................................ I
Important Safeguards and Warnings................................................................................................................................III
1 Introduction ................................................................................................................................................................................ 1
1.1 Overview............................................................................................................................................................................. 1
1.2 Technical Specifications.............................................................................................................................................. 1
2 Checklist ........................................................................................................................................................................................ 3
3 Appearance.................................................................................................................................................................................. 4
4 Adding the Button to the Hub........................................................................................................................................... 5
5 Installation ................................................................................................................................................................................... 6
6 Configuration.............................................................................................................................................................................. 7
6.1 Viewing Status................................................................................................................................................................. 7
6.2 Configuring the Button............................................................................................................................................... 8
Appendix 1 Cybersecurity Recommendations .............................................................................................................. 9

User’s Manual
1
1 Introduction
1.1 Overview
Wireless panic button is a wireless button transmitter that sends a panic alarm signal to the
hub of the alarm security system. By just the press of the button, alarm signals and events are
sent to the monitoring company to ensure a prompt response, and to keep you up to date via
the DMSS app. It is suitable for use with security in homes, banks and more. It is also easy to
carry around.
1.2 Technical Specifications
This section contains technical specifications of the device. Please refer to the ones that
correspond with your model.
Table 1-1 Technical specifications
Type Parameter Description
Function
Indicator Light 1 for multiple statuses (pairing,
communication, and more)
Button 1
Remote Update Cloud update
Signal Strength Detection
Yes
Low Battery Detection Yes
Battery Level Display
Displays battery level on app
Wireless
Carrier Frequency DHI-ARD822-W2 (868):
868.0 MHz–868.6 MHz
DHI-ARD822-W2:
433.35 MHz–434.6
MHz
Communication Distance
DHI-ARD822-W2 (868):
Up to 1,400 m (4,593.18
ft) in an open space
DHI-ARD822-W2:
Up to 1,300 m
(4,065.09 ft) in an
open space
Power Consumption Limit 14 mW
Communication
Mechanism Two-way
Encryption Mode AES128
Frequency Hopping Yes
General
Operating Temperature
–10 °C to +55 °C (+14 °F to +131 °F) (indoor)

User’s Manual
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Type Parameter Description
Operating Humidity
10%–90% (RH)
Battery Life 5 years (if used twice a week)
Product Dimensions
55 mm × 36 mm × 14.2 mm (2.17" × 1.42" ×
0.56") (L × W × H)
Packaging Dimensions 95 mm × 59.5 mm × 30.5 mm (3.74" × 2.34" ×
1.20") (L × W × H)
Installation
Wall mount; handheld
Net Weight 18 g (0.04 lb)
Gross Weight
48 g (0.11 lb)
Certifications DHI-ARD822-W2 (868):
CE
DHI-ARD822-W2:
CE; FCC
Casing PC + ABS
Protection IP54
Technical Operating Current 28 mA
Test Mode Yes

User’s Manual
3
2 Checklist
Figure 2-1 Checklist
Table 2-1 Checklist
No. Item Name Quantit
y No. Item Name Quantity
1 Panic button 1 4 Bracket (Optional) 1
2 Quick start guide 1 5
Screw package
(Optional) 1
3 Legal and regulatory
information 1 — — —

User’s Manual
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3 Appearance
Figure 3-1 Appearance
Table 3-1 Structure
No. Name Description
1 Button ●Press and hold both buttons at the same time for 8
seconds, and then the system enters pairing mode.
◇Flashes green quickly: Pairing.
◇Solid green for 2 seconds: Pairing successful.
◇Slowly flashes green for 3 seconds: Pairing failed.
●On the normal status, press both buttons together
once, and then the button sends alarm messages to
the hub.
◇Flashes green once: Sending messages to the hub.
◇Flashes green for 0.5 seconds: Successfully sent
messages to the hub.
◇Flashes red for 0.5 seconds: Failed to send
messages to the hub.
●In accidental press protection mode, press and hold
both buttons together for 2 seconds, and then alarm
messages will be sent to the hub.
The indicator status in accidental press protection
mode is the same as that of the normal status.
Make sure that you have enabled the accidental press
protection function on the DMSS app.
2 Indicator

User’s Manual
5
4 Adding the Button to the Hub
Before you connect it to the hub, install the DMSS app to your phone. This manual uses iOS as
an example.
●Make sure that the version of the DMSS app is 1.98 or later, and the hub is
V1.001.0000000.7.R.220106 or later.
●Make sure that the hub has a stable internet connection.
●Make sure that the hub is disarmed.
Step 1 Go to the hub screen, and then tap to add the button.
Step 2 Tap to scan the QR code at the bottom of the panic button, and then tap Next.
Step 3 Tap Next after the button has been found.
Step 4 Follow the on-screen instructions and switch the button to on, and then tap Next.
Step 5 Wait for the pairing.
Step 6 Customize the name of the button, and select the area, and then tap Completed.