Dahua DHI-VTNS1001B-2 User Manual page 2

General
This manual introduces the structure and installation of the 2-wire switch (hereinafter referred to as
the "switch").
Safety Instructions
The following categorized signal words with defined meaning might appear in the manual.
Signal Words
DANGER
WARNING
CAUTION
TIPS
NOTE
Revision History
Version
V1.0.0
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
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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
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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
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format) cannot be opened.
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respective owners.
Please visit our website, contact the supplier or customer service if any problems occur while
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Foreword
Meaning
Indicates a high potential hazard which, if not avoided, will result in
death or serious injury.
Indicates a medium or low potential hazard which, if not avoided,
could result in slight or moderate injury.
Indicates a potential risk which, if not avoided, could result in
property damage, data loss, lower performance, or unpredictable
result.
Provides methods to help you solve a problem or save you time.
Provides additional information as the emphasis and supplement to
the text.
Revision Content
First release.
Release Time
July 2021
I