HIKVISION iDS-7204HUHI Quick Start Manual page 4

Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
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, 12 VDC or 48 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 over-heating or a fire
hazard.
 Please make sure that the plug is firmly connected to the power socket.
 If smoke, odor or noise rise from the device, turn off the power at once and unplug the power cable, and
then please contact the service center.
Preventive and Cautionary Tips
Before connecting and operating your device, please be advised of the following tips:
 Ensure unit is installed in a well-ventilated, dust-free environment.
 Unit is designed for indoor use only.
 Keep all liquids away from the device.
 Ensure environmental conditions meet factory specifications.
 Ensure unit is properly secured to a rack or shelf. Major shocks or jolts to the unit as a result of dropping it
may cause damage to the sensitive electronics within the unit.
 Use the device in conjunction with an UPS if possible.
 Power down the unit before connecting and disconnecting accessories and peripherals.
 A factory recommended HDD should be used for this device.
 Improper use or replacement of the battery may result in hazard of explosion. Replace with the same or
equivalent type only. Dispose of used batteries according to the instructions provided by the battery
manufacturer.
Digital Video Recorder Quick Start Guide
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.
3