Справочник Пользователя для SHENZHEN HONG JI ELECTRONIC TECHNOLOGY CO. LTD KDB300
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Grasp the charger while pulling off the plug, as pulling the electrical line will lead to damage of
electrical line, electric shock and fire.
Operation and maintenance
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Please keep this product dry, as rainwater, moisture, humidity and liquids or moisture content may
contain mineral matters that erode the circuit.
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Do not keep this product in any place with high temperature. As high temperature may shorten the
lifespan of electronic device, damage the battery and cause deformation or melting of certain
plastic parts and components.
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Do not keep this product in any place with low temperature. As when being moved from a place
with low temperature to a place with normal temperature, it may generate humidity inside, which
may cause damage of circuit board.
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Do not attempt to dismantle this product. As improper handling by nonprofessional personnel may
cause damage of the device.
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Do not toss, knock or shake this product, as tough operation mode may damage the motherboard
inside the device.
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If this product is made wet by mistake, shut it down, remove the battery, and restart the product
after confirming it complete dry after 24 hours.
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Do not have the metal parts (specially configured interfaces of charger and data line excluded) in
contact with charger interface to avoid short circuit.
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Use clean and dry soft cloth to clean the lens, infrared lamp and light sensor.
！
Warning: improper operation will void warranty!！
Product Overview
Model：
KDB300
Characteristics and application：
1.
Fashion appearance —— adopt European design, full of modern science and technology feeling,
suitable for houses of various decorative styles.
2.
Hidden antenna —— adopt built-in antenna design, protect the antenna effectively.
3.
Extra large range of vision —— an extra wide angle viewable.
4.
High-resolution color LCD screen —— adopt 3.5-inch mainstream TFT digital LCD screen,
achieve outstanding clarity.
5.
High-resolution digital camera —— adopt 300,000 pixels digital camera, image focusing vivid
and clear.
6.
Infrared Night-Vision —— under the environment of insufficient outdoor light, the indoor monitor
can activates the infrared Night-Vision and clearly display or record the outdoor scenes.
7.
LED
fill-in light function —— same to 5, show colorful effect (KDB300).
8.
12 kinds of ringtones —— users can select the desired doorbells freely
9.
One-key display —— simple and convenient to use, view the outdoor scenes and take photos or
record videos under manual or automatical mode just by pressing down one key.
10. Intercom function —— can choose one-way or both-way talkback function.
11. Support extended IF memory —— up to 4G, photo/video is stored in T-flash storage card.
12. Super long standby —— high capacity rechargeable lithium batteries are provided, adopt
intelligent energy-saving technology, fully charged batteries provide up to 40 days of runtime.
13. Charge-and-record supported —— without the need to worry that the operation will be affected
due to depletion of electrical quantity.
14. Auto circulating memory —— without the need to worry that real-time recording is unachievable
due to insufficient space of storage card.
15. USB data charging wire —— charge, downloading or uploading audio-visual materials can be
realized through the USB interface.
16. Multifunction holder —— wall-hung type or table type provided.
17. Multimachine extended function —— support two outdoor units and three indoor monitor at most.
18. Long distance transmission —— communication distance can reach 300 meters in open space.
19. Frequency range —— adopt 2.4G ISM digital public frequency range:2402~2483.5MHz
20. Adaptive frequency hopping technique —— adopt AFH adaptive frequency hopping technique，
produce communication frequency and Auto-Sync frequency randomly.