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Important Safeguards and Warnings
The manual helps you to use our product properly. To avoid danger and property damage, read
the manual carefully before using the product, and we highly recommend you to keep it well for
future reference.
Operating Requirements
● Do not expose the device directly to the sunlight, and keep it away from heat.
● Do not install the device in the damp environment, and avoid dust and soot.
● Make sure the device is in horizontal installation, and install the device on solid and flat
surface to avoid falling down.
● Avoid liquid spattering on the device. Do not place object full of liquid on the device to avoid
liquid flowing into the device.
● Install the device in the well-ventilated environment. Do not block the air vent of the device.
● Use the device at rated input and output voltage.
● Do not dissemble the device without professional instruction.
● Transport, use, and store the device in allowed ranges of humidity and temperature.
● Disconnect the power supply first to avoid personal injury when removing the cable.
● Voltage stabilizer and lightning arrester are optional according to site power supply and
surrounding environment.
Power Supply Requirements
● Use the battery properly to avoid fire, explosion, and other dangers.
● Replace the battery with battery of the same type.
● Use locally recommended power cord in the limit of rated specifications.
● Use the standard power adapter. We will assume no responsibility for any problems caused
by nonstandard power adapter.
● The power supply shall meet the SELV requirement. Use the power supply that conforms to
Limited Power Source, according to IEC60950-1. Refer to the device label.
● Adopt GND protection for I-type device.
● The coupler is the disconnecting apparatus. Keep it at the angle for easy to operate.
● Be sure to ground the device (connect with copper wire whose cross section is not less than
2.5 mm² and resistance to ground is less than or equal to 4Ω).
Battery Caution
● Do not ingest battery to avoid chemical burn hazard.
● This product contains a coin cell battery. If the coin 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.
● Risk of explosion if the battery is replaced by an incorrect type.
● Do not throw or immerse into water, heat to more than 100° C （212° F） , repair or disassemble,
leave in an extremely low air pressure environment or extremely high-temperature
III
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