Amcrest NV21 Series, Руководство пользователя, Страница: 6 / 277

6
Welcome
Thank you for purchasing an Amcrest NVR!
This user’s manual is designed to be a reference tool for your system. It is applicable for all Amcrest
series NVRs including NV21XX series, NV41XX series, HS models, and covers all features listed with
your product.
Please open the accessory bag to check the items one by one in accordance with the included packing
list. Contact your local retailer if anything is missing or damaged.
Important Safeguards and Warnings
1. Electrical Safety
Installation and operation should conform to your local electrical safety codes. The product
must be grounded to reduce the risk of electric shock. We assume no liability or
responsibility for any fires or electric shock caused by improper handling or installation.
2. Transportation Security
Heavy stress, violent vibrations, and moisture are not allowed during transportation, storage, or installation.
3. Installation
Always keep the device upright and handle with care. Do not apply power to the device before completing
the installation. Do not place objects on the NVR.
4. Qualified Engineers Needed
All examinations and repair work should be done by qualified service engineers. We are not
liable for any problems caused by unauthorized modifications or attempted repairs to the
device.
5. Environment
The device should be installed in a cool, dry place away from direct sunlight, flammable materials,
explosive substances, etc. This series product should be transported, stored, and used in the
specified environments:
•
The function of the ITE with concerns to IEC 60950-1 is considered now likely to
require a connection to an Ethernet network with an outside power source, including
campus environments.
•
If applicable, the installation instructions clearly state that the ITE is to be connected
only to designated POE networks without routing to an outside power source.