Vivotek IP7251 manual

Page 39

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■ Night mode

In night mode, the Network Camera switches off (remove) the IR cut filter to allow the infrared light to pass through. This improves the sensitivity of the Network Camera in low-light conditions.

You can click Preview to fine-tune the image, or click Restore to recall the original settings without incorporating the changes. When completed with the settings on this page, click Save to take effect and click Close to quit the page.

Video quality settings for stream 1 / stream 2: You can set up two seperate streams for the Network Camera for different viewing devices. For example, set the Network Camera to a smaller frame size and a lower bit rate for remote viewing on mobile phones. Or, set the Network Camera to a larger video size and a higher bit rate for live viewing on web browsers.

■ Mode

The Network Camera offers two choices of video compression standards for real-time viewing: MPEG-4 and MJPEG.

If MPEG-4 is selected, it is streamed in RTSP protocol. There are four dependent parameters provided in MPEG-4 mode for video performance adjustment.

■Frame size

Select the video size. Note that a larger frame size takes up more bandwidth. The frame sizes are selectable in the following resolutions: 176 x 144, 320 x 240 and 640 x 480.

■Maximum frame rate

This limits the maximal refresh frame rate per second. Set the frame rate higher for a smoother video quality.

If the power line frequency is set to 50Hz, the frame rates are selectable at the following rates: 1fps, 2fps, 3fps, 5fps, 8fps, 10fps, 15fps, 20fps and 25fps. If the power line frequency is set to 60Hz, the frame rates are selectable at the following rates: 1fps, 2fps, 3fps, 5fps, 8fps, 10fps, 15fps, 20fps, 25fps and 30fps.

■ Intra frame period

Determine how often to plant an I frame. The shorter the duration, the more likely you will get a better video quality, but at the cost of higher network bandwidth consumption. Select the intra frame period from the following duration: 1/4 second, 1/2 second, 1 second, 2 seconds, 3 seconds and 4 seconds.

■ Video quality

A complex scene generally produces larger file size, meaning that higher bandwidth will be needed for data transmission. Therefore, if Constant bit rate is selected, the bandwidth utilization is fixed at a selected level, resulting in mutable video quality performances. The bit rates are selectable at the following rates: 20Kbps, 30Kbps, 40Kbps, 50Kbps, 64Kbps, 128Kbps, 256Kbps, 512Kbps, 768Kbps, 1Mbps, 2Mbps, 3Mbps and 4Mbps.

On the other hand, if Fixed quality is selected, all frames are transmitted with the same quality; bandwidth utilization is therefore unpredictable. The video qualities are selectable at the following settings: Medium, Standard, Good, Detailed and Excellent.

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Contents Page Table of Contents Read before use Package contentsLens Physical descriptionDI/DO Diagram Hardware Reset Hardware installationNetwork deployment Setup the Network Camera over the InternetInternet connection with static IP Set up the Network Camera through Power over Ethernet PoE RoHS Software installationUsing web browsers Accessing the Network CameraPage Using Rtsp players MPEG-4 Using 3GPP-compatible mobile devicesUsing Vivotek recording software Main Live Video Window Video title Title and time Client Settings MP4 Saving Options System SystemSystem Time DI and do Manage User Root PasswordSecurity Add UserNetwork Type NetworkPPPoE Point-to-point over Ethernet Page Http Two way audio FTP Rtsp Streaming Page Ddns Ddns Dynamic domain name serviceCustomSafe100 Access list Allowed list / Denied listDelete allowed list / Delete denied list Audio and video Video settingsImage Settings Privacy mask CCD Settings Page Audio settings Motion detection To enable motion detection, follow the steps belowPercentage = 30% Camera control RS485 SettingsCustom Command Preset PositionNetwork Camera Application Media SettingsSnapshot20080104100341 Server Settings Page Page Event Settings Page Recording Recording SettingsPage Video content analysis Page System log Remote LogCurrent Log View parameters Maintenance RebootRestore Upload / Export Daylight Saving Time Configuration File Upgrade Firmware Page Appendix URL Commands of the Network CameraGeneral CGI URL syntax and parameters Security levelGet server parameter values Parameter pair Set server parameter values UpdateValid Values Description Available parameters on the serverName Value Default Security Vegas, SanFrancisco, Vancouver Page None Name Value Default Security Description Name Value Default Name 5060 SIP port Capability.protocol.sip=1 External camera VGA Cmos PAL CCD Get/set Brightness Adjust brightness of image TZO Get/set Boolean Level To control Uart Null Function Bit 3 = Support tilt operation Output Parameter Value Iva indicates Intelligent Video Parameter Value Default Security Description Httpusername String64 Indicate the prefix Max size for one file in Kbytes Drive the digital output Query status of the digital input Capture single snapshot Query status of the digital outputQuality Account managementSystem logs Post data Upgrade firmwareRecall capability.ptzenabled=1 Value Description System InformationIP filtering Preset Locations capability.ptzenabled=1End parameters are specified, it will try to remove Uart Http tunnel channel capability.nuart0Open the network streamings Get SDP of StreamingsPage Specifications Technical SpecificationsTechnology License Notice Electromagnetic Compatibility EMC
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