User guide

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Slots●or●openings●in●the●back●of●the●monitor,●are●provided●for●
ventilation●and●to●ensure●reliable●operation●of●the●video●monitor●
or●equipment●and●to●protect●if●from●overheating.●These●openings●
must●not●be●blocked●or●covered.●The●monitor●●should●never●be●
placed●near●or●over●a●radiator●or●heat●register●and●should●not●be●
placed●in●a●built-in●installation●such●as●a●bookcase●unless●proper●
ventilation●is●provided.
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All●parts●should●be●protected●from●violence●vibration.●And●not●
allow●be●impacting,●knocking●and●dropping.
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For●clean●the●LCD●screen,●using●hands●or●wet●cloth●is●forbidden.
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Please●do●the●cleanness●with●soft●cotton●cloth,●please●do●not●use●the●
organic●or●chemical●clean●impregnate.●If●necessary,●please●use●pure●
water●or●dilute●soap●water●to●clean●the●dust.
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Image●distortion●may●occur●if●the●video●door●phone●is●mounted●
too●close●to●magnetic●field●e.●g.●Microwaves,●TV,●computer●etc.
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Please●keep● away● the● video● door●monitor● from● wet,●high●
temperature,●dust,●and●caustic●and●oxidation●gas●in●order●to●avoid●
any●unpredictable●damage.
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Do●NOT●open●the●device●in●any●condition,●call●the●administrator●
for●help●if●there●is●any●problem●or●mulfunction●happens.●
Precautions