Alarmtec 4.3" Video Door Phone, Руководство пользователя

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2. Features and Functions
2.1 Features
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4.3” Touch button monitor with OSD menu
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Support 2 door stations, 1 master monitor + 3 extension monitors and 1 audio
inter-phone
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Built-in flash memory: 100 pictures
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TF card: 100 videos
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Brightness, color and contrast adjustable
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Volume of chime and voice adjustable
2.2 Main Functions

Monitoring and talking with a visitor
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Door lock release

Support AC/DC power input
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OSD menu
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LED button indicator
3. Packing Contents