Foreword - Dahua DHI-ASC1204B User Manual

General
This document elaborates on structure, installation and wiring of four-door one-way access
controller.
Safety Instructions
The following categorized signal words with defined meaning might appear in the Manual.
Signal Words
Privacy Protection Notice
As the device user or data controller, you might collect personal data of others, such as face,
fingerprints, car plate number, Email address, phone number, GPS and so on. You need to be
in compliance with the local privacy protection laws and regulations to protect the legitimate
rights and interests of other people by implementing measures, including but not limited to:
providing clear and visible identification to inform data subject the existence of surveillance
area and providing related contact.
About the Manual
The Manual is for reference only. If there is inconsistency between the Manual and the

actual product, the actual product shall prevail.
We are not liable for any loss caused by the operations that do not comply with the Manual.
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 The Manual would be updated according to the latest laws and regulations of related
regions. For detailed information, see the paper User's Manual, CD-ROM, QR code or our
official website. If there is inconsistency between paper User's Manual and the electronic
version, the electronic version shall prevail.
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.

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