D-Link DCS-1100 - mydlink-enabled Wired Network Camera Manual de usuario Pagina 12
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45
16x Digital Zoom
1x ~ 16x digital zoom adjustable at VGA resolution
Major Features of IP Surveillance Solution
• Network Camera/Video Server
1x video @ VGA resolution
16x digital zoom
actual size of 36mm16x zoom size of 2mm
The left image is a 16x zoom image for 2mm
length. The right image is around 18 pcs of
2mm actual length.
Therefore, DCS-2121/2102 supports 16x
digital zoom
46
Motion Detection
Motion detection feature, if enabled, will trigger the IP camera to send the
snapshot/video clip to remote server (Email, FTP) or to record the event to local
storage.
How does motion detection in D-Link IP Camera works?
• D-Link IP Cameras that support motion detection feature allow three different areas to be
monitored for motion detection.
• Sensitivity and Percentage parameters must be defined in order for the motion detection of
the IP camera to work.
Major Features of IP Surveillance Solution
• Network Camera/Video Server
Figure A – Percentage Indicator
Figure B – How motion detection work
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Day & Night Solution - Light
Light perception
• Light is a form of radiation wave energy that exists in a spectrum. The human
eye can see, however, only a portion (between wavelengths of ~400 – 700
nanometers or nm).
• The following illustration shows the wavelength where human eyes will not be
able to see: outside the range to the left of the BLUE color below 400nm is the
ultraviolet light, and outside the range to the right of the RED color above 700nm
is the infrared light.
Major Features of IP Surveillance Solution
• Network Camera/Video Server
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Day & Night Solution – IR-Cut Filter
IR cut coating in all camera
• Normal camera with coating filter allows only visible light to pass through
• Can’t see anything in night mode
Major Features of IP Surveillance Solution
• Network Camera/Video Server
- Why D-Link IP Surveillance 1
- • IP Surveillance Evolution 2
- For Various Markets 3
- For Various Environments 3
- For Various Light Conditions 3
- For High Resolution 4
- D-Link IP Surveillance 5
- Products Overview 5
- Consumer Cameras 6
- Prosumer PTZ Desktop Series 6
- Professional Fixed Box Series 6
- Network Video Recorder (NVR) 8
- Video Server 8
- Accessories 8
- Major Features of IP 9
- Surveillance Solution 9
- Contents 10
- Power over Ethernet (PoE) 10
- WPS (Wi-Fi Protected Setup) 10
- Dual Stream / Multi-Profile 11
- Front End Storage 11
- Megapixel Sensor 11
- 16x Digital Zoom 12
- Motion Detection 12
- Day & Night Solution 13
- Wired-in Bracket 14
- Dome Type Network Camera 15
- Video Server (Encoder) 15
- Wide Dynamic Range (WDR) 15
- WDR Application 15
- Event Triggered Recording 16
- Multiple Recording Schedules 17
- AVI/ASF Outputs 17
- Smart Search 18
- Multiple Channel Playback 18
- System Requirement 18
- System Features 18
- Monitoring 19
- Configuration 19
- Configuration – Wizard Mode 19
- Configuration – Expert Mode 20
- Management 20
- Adaptation 20
- Recording 21
- IP Surveillance Essential 22
- NTSC and PAL 23
- VGA Resolutions 23
- Megapixel Resolution 23
- Video Compression 24
- Video Codec 24
- Motion JPEG 24
- Compression Format Comparison 25
- Frame Rate 25
- Audio Support 25
- Field of View 26
- Matching Lens and Sensor 26
- F-Number & Exposure 27
- Manual or Automatic Iris 27
- CCD Technology 27
- CMOS Technology 27
- Light Sensitivity 28
- IP Networking Essential 29
- Streaming Technologies 30
- IP Address Assignment 30
- Dynamic DNS (DDNS) 31
- Wireless Standards 31
- Appendix – Bandwidth & 32
- Storage Consideration 32
- Bandwidth Needs 33
- Calculating Storage Needs 33
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