Symbol Conventions; Safety Instructions - HIKVISION DS-7716NXI-I4/16P/4S User Manual

DS-77xxNXI-I4/16P/4S NVR User Manual
> Response time of 1 nanosecond or less
˗
Usage
> Surge suppressors must not be daisy chained with power strips or other surge suppressors
˗
Maintenance
> Replace after a serious electrical event (e.g., lighting blew out a transformer down the street)
> Replace yearly in storm-prone areas
> Replace every two years as routine maintenance

Symbol Conventions

The symbols that may be found in this document are defined as follows.
Symbol Description
Provides additional information to emphasize or supplement important points of
the main text
Indicates a potentially hazardous situation, which if not avoided, could result in
equipment damage, data loss, performance degradation, or unexpected results
Indicates a hazard with a high level of risk, which if not avoided, will result in
death or serious injury

Safety Instructions

•
Proper configuration of all passwords and other security settings is the responsibility of the installer
and/or end user.
•
In the use of the product, you must be in strict compliance with the electrical safety regulations of the
nation and region. Please refer to technical specifications for detailed information.
•
Input voltage should meet both the SELV (Safety Extra Low Voltage) and the Limited Power Source with
100-240 VAC or 12 VDC according to the IEC60950-1 standard. Please refer to technical specifications for
detailed information.
•
Do not connect several devices to one power adapter as adapter overload may cause overheating or a fire
hazard.
•
Please make sure that the plug is firmly connected into the power socket.
•
If smoke, odor, or noise rise from the device, turn off the power at once, unplug the power cable, and then
contact the service center.
Preventive and Cautionary Tips
UM DS-77xxNXI-I4/16P/4S 050619NA 11