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.
