Ensure correct wiring of the terminals for connection to an AC mains supply.
The equipment has been designed, when required, modified for connection to an IT power distribution system.
The ventilation should not be impeded by covering the ventilation openings with items, such as newspapers, table-cloths, curtains, etc. The openings shall never be blocked by placing the equipment on a bed, sofa, rug or other similar surface.
Keep a minimum 5 cm distance on the upper, left and right sides, and 1 m on the front side for sufficient ventilation.
Install the equipment according to the instructions in this manual.
To prevent injury, this equipment must be securely attached to the floor/wall in accordance with the installation instructions.
No naked flame sources, such as lighted candles, should be placed on the equipment.
Keep vertical when moving or using the equipment.
Do not place the device in direct strong lighted, humid, over-heated/cooled, dusty environment.
Do not place the device in an environment where flammable and explosive matter are stored and used.
Do not place the device in an environment of flammable and corrosive gas.
Do not place the device in places like bathroom and kitchen.
Do not use damaged or unfit power socket. Make sure the plug and the socket are in good contact.
Do not parallel multiple plugs in one socket to avoid fire risk caused by power overload.
Do not approach the device with fire (e.g. a lit candle) to avoid the risk of fire or electric shock.
Do not place anything containing liquid on the device to avoid the risk of fire or electric shock caused by liquid-splashing.
Do not let sharp or metal articles and liquids contact the signal connectors or heat dissipation holes to avoid short circuit, product damage and electric shock.
Do not touch the device with a wet finger to avoid risk of electric shock.
Do not operate the device in heavy rain, especially lightning weather to avoid electric shock. Contact professional technicians for repairing.
In the use of the product, you must be in strict compliance with the electrical safety regulations of the nation and region.
Never place the equipment in an unstable location. The equipment may fall, causing serious personal injury or death.
The equipment must be connected to an earthed mains socket-outlet.
Do not ingest battery. Chemical burn hazard!
This product contains a coin/button cell battery. If the coin/button cell battery is swallowed, it can cause severe internal burns in just 2 hours and can lead to death.
Keep new and used batteries away from children.
If the battery compartment does not close securely, stop using the product and keep it away from children.
If you think batteries might have been swallowed or placed inside any part of the body, seek immediate medical attention.
CAUTION: Risk of explosion if the battery is replaced by an incorrect type. Improper replacement of the battery with an incorrect type may defeat a safeguard (for example, in the case of some lithium battery types).
Do not dispose of the battery into fire or a hot oven, or mechanically crush or cut the battery, which may result in an explosion.
Do not leave the battery in an extremely high temperature surrounding environment, which may result in an explosion or the leakage of flammable liquid or gas.
Do not subject the battery to extremely low air pressure, which may result in an explosion or the leakage of flammable liquid or gas.
Dispose of used batteries according to the instructions
This equipment is for use only with specified brackets. Use with other (carts, stands, or carriers) may result in instability causing injury.
Do not let children climb onto the device.
Keep small accessories away from children.
If the device will not be used for a long time. Shut down the power of the device and disconnect the power supply.
To avoid the risk of electric shock, please do not operate when the power is on.
Please do not plug and unplug the power cable frequently.
Make sure the power supply matches the requirements specified by the plate on the shell.
After the environment temperature changed from low to high. Wait for a period of time before powering on the device.
Make sure the environment is dry and well-ventilated, and heat dissipation is good.
Turn down the volume when using earphones.
To prevent possible hearing damage, do not listen at high volume levels for long periods.