User's Manual

(5) Is it normal to feel that screen body is overheated after using it for a
period of time? Does it matter?
It is normal for screen to heat up, just like a TV at home, it will generally not
have any adverse effects. At present, heat dissipation design of our whole
machine is in leading position in industry, is industry standard setter, and
complies with international health standards.
(6) Will long-term use cause damage to eyes?
human eye's recognition of flicker is 50Hz. human eye can perceive it below
50Hz, and eye muscles constantly adjust to adapt to flicker causing eye
fatigue. This product uses a 60Hz liquid crystal display, so human eye can
actually not feel flicker of screen. Compared with other similar products, it can
Relieve eye fatigue.
(7) Why network signal poor?
Please check back of screen, on mini-computer host, whether antenna is well
connected.