Dahua D-SD59225DB-HC Installation Manual page 3

identification to inform people of the existence of the surveillance area and provide required
contact information.
Interface Declaration
This manual mainly introduces the relevant functions of the device. The interfaces used in its
manufacture, the procedures for returning the device to the factory for inspection and for locating
its faults are not described in this manual. Please contact technical support if you need information
on these interfaces.
About the Manual
The manual is for reference only. Slight differences might be found between the manual and the
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product.
We are not liable for losses incurred due to operating the product in ways that are not in
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compliance with the manual.
The manual will be updated according to the latest laws and regulations of related jurisdictions.
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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.
All trademarks, registered trademarks and company names in the manual are properties of their
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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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using the device.
If there is any uncertainty or controversy, we reserve the right of final explanation.
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