Sunstech CEL2 Manual De Instrucciones página 37

If the device has a lamp or a camera flash, do not use it near people's or
animal's eyes.
This may cause a temporary loss of vision or damage the eyes.
Be careful when exposing yourself to intermittent light.
When you use the device, leave some lights turned on in the bedroom
and do not have the screen too close to your eyes.
Convulsions or fainting may occur due to exposure to intermittent light
when looking at videos or playing games with intermittent lights for
prolonged periods of time. If you feel unwell, stop using the device
immediately.
If anyone close to you suffered from convulsions or fainting when using
a similar device, visit a doctor before using the device.
If you feel discomfort, such as muscle cramps or you feel disoriented,
stop using the device immediately and visit a doctor.
To avoid eye fatigue, have frequents breaks when using the device.
Reduce the risk of injury caused by repetitive movements.
When you carry out repeated actions, such as pressing keys, drawing
characters on the touch screen or playing a game, you may feel discomfort in
your hands, neck, shoulders or other parts of the body. When you use the
device during prolonged periods of time, hold it with relaxed hands, touch
the keys lightly and rest frequently. If you continue feeling discomfort during
or after taking these steps, stop using the device and visit a doctor.
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