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present a hazard to aircraft operation, or be illegal.
Operating environment
Avoid dusty, damp, or dirty environments. Avoid magnetic fields. Using the
device in these environments may result in circuit malfunctions.
Before connecting and disconnecting cables, stop using the device and
disconnect it from the power supply. Ensure that your hands are dry during
operation.
Place the device on a stable surface.
Keep the device away from electronic appliances that generate strong
magnetic or electric fields, such as a microwave oven or refrigerator.
During thunderstorms, power off your device and remove all cables
connected to it to protect against lightning strikes.
Do not use your device during thunderstorms to protect your device against
any danger caused by lightning.
Ideal operating temperatures are -10 °C to 55 °C. Ideal storage temperatures
are -20 °C to 70 °C. Extreme heat or cold may damage your device or
accessories.
Keep the device and accessories in a well-ventilated and cool area away from
direct sunlight. Do not enclose or cover your device with towels or other
objects. Do not place the device in a container with poor heat dissipation,
such as a box or bag.
Do not expose your device to direct sunlight (such as on a car dashboard) for
prolonged periods.
To protect your device or accessories from fire or electrical shock hazards,
avoid rain and moisture.
Keep the device away from sources of heat and fire, such as a heater,
microwave oven, stove, water heater, radiator, or candle.
Do not place any object, such as a candle or a water container, on the device.
If any foreign object or liquid enters the device, immediately stop using it,
power it off, and remove all cables connected to it. Then, contact an
authorized service center.
Do not block device openings. Reserve a minimum of 10 cm around the
device to dissipate heat.
Do not place sharp metal objects, such as pins, near the earpiece or speaker.
The earpiece may attract these objects and result in injury.
Stop using your device or applications for a while if the device is overheated.
If skin is exposed to an overheated device for an extended period, low
temperature burn symptoms, such as red spots and darker pigmentation, may
occur.
Do not touch the device's antenna. Otherwise, communication quality may be
reduced.
Do not allow children or pets to bite or suck the device or accessories. Doing
so may result in damage or explosion.
Observe local laws and regulations, and respect the privacy and legal rights of
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