
II
General
This document mainly introduces structure, installation and wiring of the analog 4-wire video
intercom.
Device Upgrade
Do not cut off power supply during device upgrade. Power supply can be cut off only after the
device has completed upgrade and has rebooted.
Safety Instructions
The following categorized signal words with defined meaning might appear in the Manual.
Signal Words Meaning
Indicates a potential risk which, if not avoided, could result in
property damage, data loss, lower performance, or unpredictable
result.
Note Provides additional information as the emphasis and supplement
to the text.
Revision History
No. Version Revision Content Release Date
1 V1.0.0 First release February 2019
About the Guide
The Guide is for reference only. If there is inconsistency between the Guide 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 Guide.
The Guide 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.
All the designs and software are subject to change without prior written notice. The product
updates might cause some differences between the actual product and the Guide. Please
contact the customer service for the latest program and supplementary documentation.
There still might be deviation in technical data, functions and operations description, or
errors in print. If there is any doubt or dispute, please refer to our final explanation.
Upgrade the reader software or try other mainstream reader software if the Guide (in PDF
format) cannot be opened.
All trademarks, registered trademarks and the company names in the Guide are the
properties of their respective owners.
Please visit our website, contact the supplier or customer service if there is any problem
occurred when using the device.
If there is any uncertainty or controversy, please refer to our final explanation.