Bosch VG5-825-ETEV Specifications download pdf (Page 62)

Arecont Vision

22-2 Camera Handler Release Notes

Limitations

• The AV8xxx will be viewed with Victor Client. Not all functionality is supported by the Web-Client

• VideoEdge Version 4.0 had a limitation for motion detection data generation of M-JPEG stream

with video resolution greater than 4CIF/D1. VideoEdge version 4.1 increases the resolution to

1280x960 supporting second stream from a megapixel camera.

• VideoEdge 4.2 (as with VideoEdge 4.0 and 4.1) requires a minimum of four (4) frames per

second to provide reliable motion search results. Due to the limitation of the Arecont Vision

camera to produce two streams at the minimum frame-rate required for motion data generation

video motion search performance will vary.

• The AV8xxx provides an option to “Equalize Brightness” across all four imagers. This will cause

all the lenses to have the same brightness as the first lens. The VE-NVR camera handler has

this value unassigned when cameras are added. If the camera has this value set by the

camera’s web configuration page the camera’s brightness cannot be changed by the NVR.

• Due to camera performance limitation and network status, refreshing the camera list within the

Victor Client may take 0.1 to 1 second to get each property from the camera. In addition changes

to properties on the VE-NVR may take 2 to 30 seconds.

• It is highly recommended to have all four inputs from the camera set to the same storage section

in the VE-NVR. Mixing may cause mixed retention times for some inputs compared to others.

• AV818X is an 180˚ view camera. Its layout is 4x1 and its sequence is “1,4,2,3”. Therefore to

display a full view of 4X1, Victor Client should be used. In order to display all cameras correctly

the images of input 1 and 2 are inverted 180˚ by default.

• AV836X is a 360˚ camera. Its layout is 2x2 and its sequence is “1,2,3,4” and has no rotate issue

(all are the same).

• Different Arecont panoramic camera models may produce different bit rates for the same scene.

• The NVR 4.1 motion detection can only handle a resolution of 800x600 (or 800x592), not

1600x1200 (or 1600x1184) for AV8XXX cameras. (Maximum resolution for NVR to handle

motion detection is 1280x960)

• Due to camera limitation, the actual frame rate may be lower than the requested frame rate.

• Due to camera RTSP performance limitation, for AV8XXX series, the camera can only deliver

approximately 2 FPS per lens.

• All four inputs from the camera should be set to the same storage section, otherwise retention

times for some of the inputs may be different than others.

• Streaming large amounts of data to Quicktime may cause a distorted image to appear. This is

due to Quicktime or the network card on the host on which Quicktime is running, may be unable

to cope with large bit rate streams particularly during the start up of H.264 due to the bursting of

all frames since the previous Key frame. This result may be a green/mosaic screen especially on

motion scenes. This may occur for both live and historic playback on NVR and Victor client.

• Due to the camera firmware issue on AV8185DN, the camera stream may restart on the NVR.

• Due to camera MJPEG video stream non-compliance, motion detection might not work.

• Due to the camera limitation, the bitrate and quality cannot be set through the camera’s web

interface. The bitrate and quality values have to be included in the RTSP URL for them to work.

• Due to NVR 4.1 motion detection only handling resolution up to 1280x960 for AV1XXX,

AV8XXX, AV2100, AV2105 and AV2110, motion detection can only handle resolution as half.

• Due to camera limitation, for Arecont cameras all MJPEG only cameras (Arecont: AVxx00,

AV8180, AV8360 – CBC: MP1A, MP2A, MP5A and MP8D-L4) will stream at a higher FPS

(reaching max FPS) when setting to 15FPS. FPS of 14 and lower are not affected by this issue.

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Bosch VG5-825-ETEV Specifications Page 62

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