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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. 

Summary of Contents for DHI-ARD821-W2

Page 1: ...Wireless Panic Button User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V1 0 0...

Page 2: ...es 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 2...

Page 3: ...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 an...

Page 4: ...ements 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...

Page 5: ...d 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...

Page 6: ...ications 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 Detect...

Page 7: ...s 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 P...

Page 8: ...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 regula...

Page 9: ...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 me...

Page 10: ...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 b...

Page 11: ...tton supports wall mount and can be handheld This section uses wall mount as an example You need to buy a bracket to install the button Figure 5 1 Installation Step 1 Drill 2 holes in the wall accordi...

Page 12: ...attery Level The battery level of the button Fully charged Sufficient Moderate Insufficient Low Operation Mode The working mode of the button LED Brightness The brightness of LED lights Accidental Pre...

Page 13: ...an alarm event type and then tap OK Intrusion Intrusion alarm Fire Alarm Fire alarm Medical Help Medical alarm Panic Button Panic alarm Set by default Gas Alarm Gas leak alarm If you select an alarm t...

Page 14: ...User s Manual 9 Parameter Description Delete Delete the online accessory Go to the hub screen select the accessory from the list and then swipe left to delete it...

Page 15: ...rmation of firmware updates released by the manufacturer We suggest that you download and use the latest version of client software Nice to have recommendations to improve your device network security...

Page 16: ...dio and video data being stolen during transmission Reminder encrypted transmission will cause some loss in transmission efficiency 11 Secure Auditing Check online users we suggest that you check onli...

Page 17: ...User s Manual 12 device More information Please visit Dahua official website security emergency response center for security announcements and the latest security recommendations...

Page 18: ...User s Manual...

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