1. Keep the equipment dry. Rain, moisture, and various liquids or moisture may contain minerals that can corrode electronic circuits. If the device is wet, remove the battery and wait for the device to completely dry before reinstalling the battery.

　　Do not use or store equipment in dusty or dirty areas. This will damage its detachable components and electronic components.

　　Do not store the equipment in an overheated area. High temperatures can shorten the lifespan of electronic devices, damage batteries, and deform or melt some plastic components.

　　Do not store the equipment in an excessively cold area. Otherwise, when the temperature of the device rises to room temperature, moisture will form inside it, which will damage the circuit board.

　　Please follow the instructions in this manual to turn on the device and try other methods.

　　Do not throw, strike, or vibrate equipment. Rough handling of equipment can damage internal circuit boards and precision structures.

　　Do not use strong chemicals, cleaning agents, or strong detergents to clean equipment.

　　Do not apply paint to the equipment. Smear can block debris in detachable components, affecting normal operation.

　　When changing the antenna, only matching or approved antennas can be used. Unapproved antennas, modifications or accessories may damage the equipment and violate the relevant regulations of radio equipment.

　　Please use the charger indoors.

　　Always make backups of data that needs to be retained.

　　When it is not used for a long time or the battery level is low, plugging in the charger may not immediately see the light on. At this time, it is necessary to let the charger continue to charge for a while.

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