SNR SR2225RS [11/195] Chapter 1 security statement

SNR SR2225RS [11/195] Chapter 1 security statement
Chapter 1 Security Statement
1.1
General safety matters
To prevent the risk of major personal and property losses, please follow the following
recommendations.
Please do not open the system cover by yourself, and should be operated by professionally trained
maintenance technicians. There may be high voltage or electric shock on the triangular mark with lightning
symbol, please do not touch it.
Remember: Disconnect all cables before performing maintenance. (There may be more than
one cable) It is strictly forbidden to perform live operations such as starting the machine before
the cover is closed.
When it is necessary to open the cover, please wait for the internal equipment to cool down before
performing it, otherwise it is easy to burn you.
Do not use this device in a humid environment.
If an extension cable needs to be used, please use a three-wire cable and make sure it is properly
grounded.
E
nsure that the computer is well grounded. Different grounding methods can be used, but it must be actually
connected to the ground. If you are not sure whether the grounding protection has been secured, please contact
the corresponding agency or electrician for confirmation. If you need twisting table cable wiring, please contact
OOO "NAG". to provide suggestions.
Please use a three-core power cord and socket with grounding protection. Improper grounding may cause
leakage, burns, explosions and even personal injury.
Please make sure that the power socket and the power interface can be in close contact, loose contact
may cause a fire hazard.
Please use your computer under 220V AC voltage. Working at an improper voltage will cause electric
shock, fire and computer damage.
The computer is required to be well ventilated and far away from heat and fire sources, and do not
block the cooling fan, otherwise the computer may cause smoke, fire or other dangers due to overheating.
If you smell or see smoke from your computer, please turn off the computer immediately and unplug the
power cord.
It is required to be able to easily plug and unplug the power cord from the power source and the power
socket. Please keep the power cord and plug clean and intact, otherwise there may be a risk of electric
shock or fire.
Note: If the battery is replaced incorrectly, there is a danger of explosion. Only use the same or equivalent
type of replacement recommended by the manufacturer. The used battery will pollute the environment.
Please follow the relevant instructions for the replacement of the old battery.
Keep the computer away from electromagnetic fields.
Keep away from electronic noise caused by high-frequency safety equipment such as air-conditioning,
large fans, large motors, radio and television transmission towers.
Please do not plug or unplug the backplane cable or move the computer while the computer is running,
otherwise it may cause the computer to crash or damage the components.
Please try to avoid frequent restarting or switching on and off to extend the life of the computer.
Please keep the environment clean and avoid dust. The working environment temperature of the
equipment is 10~35, and the humidity is 35%~80%.
Users are requested to back up important data in time. OOO "NAG" is not responsible for data loss
caused by any circumstances.
The optical drive used in this product is a Class 1 laser device.
Figure 1-1

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