Dahua Technology DHI-ARD821-W2 Manuale utente
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-ARD821-W2 (868); DHI-ARD821-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.
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.
User’s Manual
II
●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 .......................................................................................................................................................... 7
Appendix 1 Cybersecurity Recommendations........................................................................................................................10
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 button. 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-ARD821-W2 (868):
868.0 MHz–868.6 MHz
DHI-ARD821-W2:
433.1 MHz–434.6 MHz
Communication
Distance
DHI-ARD821-W2 (868):
Up to 1,400 m (4,593.18 ft)
in an open space
DHI-ARD821-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)
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)
User’s Manual
2
Type Parameter Description
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-ARD821-W2 (868):
CE
DHI-ARD821-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 Quantity 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
4
3 Appearance
Figure 3-1 Appearance
Table 3-1 Structure
No. Name Description
1 Button ●Press and hold the button 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 the button 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 the
button for 2 seconds, or double-press it, 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 1.97 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.
Indice
