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Safety Instruction

These instructions are intended to ensure that user can use the product correctly to avoid danger or property
loss.
Laws and Regulations
● Use of the product must be in strict compliance with the local electrical safety regulations.
Transportation
● Keep the device in original or similar packaging while transporting it.
● Keep all wrappers after unpacking them for future use. In case of any failure occurred, you need to return the
device to the factory with the original wrapper. Transportation without the original wrapper may result in
damage on the device and the company shall not take any responsibilities.
● Do not drop the product or subject it to physical shock. Keep the device away from magnetic interference.
Power Supply
● The input voltage should meet the Limited Power Source (5 VDC, 2 A) according to the IEC61010-1 standard.
Please refer to technical specifications for detailed information.
● Make sure the plug is properly connected to the power socket.
● DO NOT connect multiple devices to one power adapter, to avoid over-heating or fire hazards caused by
overload.
Battery
● The built-in battery cannot be dismantled. Please contact the manufacture for repair if necessary.
● DO NOT charge other battery types with the supplied charger. Confirm there is no flammable material within
2 m of the charger during charging.
● For long-term storage of the battery, make sure it is fully charged every half year to ensure the battery quality.
Otherwise, damage may occur.
● DO NOT place the battery near heating or fire source. Avoid direct sunlight.
● DO NOT swallow the battery to avoid chemical burns.
● DO NOT place the battery in the reach of children.
Maintenance
● If the product does not work properly, please contact your dealer or the nearest service center. We shall not
assume any responsibility for problems caused by unauthorized repair or maintenance.
● A few device components (e.g., electrolytic capacitor) require regular replacement. The average lifespan
varies, so periodic checking is recommended. Contact your dealer for details.
● Wipe the device gently with a clean cloth and a small quantity of ethanol, if necessary.
● If the product does not work properly, please contact your dealer or the nearest service center. We shall not
assume any responsibility for problems caused by unauthorized repair or maintenance.
Using Environment
● DO NOT expose the device to extremely hot, cold, dusty, corrosive, saline-alkali, or damp environments. Make
sure the running environment meets the requirement of the device. The operating temperature shall be
-10 °C to 50 °C (14 °F to 122 °F), and the operating humidity shall be 90% or less.
● This device can only be safely used in the region below 2000 meters above the sea level.
● Place the device in a dry and well-ventilated environment.
● DO NOT expose the device to high electromagnetic radiation or dusty environments.
● DO NOT aim the lens at the sun or any other bright light.
● When any laser equipment is in use, make sure that the device lens is not exposed to the laser beam, or it
may burn out.
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Hm-tp2 serie

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