Bosch VG5-825-ETEV Specifications download pdf (Page 107)

SONY

29-3

resolution might not be able to handle the maximum frame-rate even in single-

stream use (MPEG4 is less intensive and may handle the maximum frame-rate).

• For a secondary stream, the remaining camera processing power and

bandwidth can be configured. In a typical application, this would be for motion-

detection using MJPEG or MPEG4.

• If H.264 has been used for the primary stream, do not use H.264 for the

secondary.

• If the resolution of the primary stream is much larger than 640x480, then pick a

smaller resolution for the secondary, generally not much more than 640x480.

• Pick a modest frame-rate, such as 5 FPS.

• After the primary stream has been configured on the NVR, then go to the

camera web GUI to see what remaining choices are available. Then use the

NVR camera-configuration web-page to make secondary-stream selections to

avoid the risk of camera over-configuration. In some cases, values noticeably

larger than the above recommended limits may be available. Be sure to use the

NVR camera-configuration web-page for the final configuration (rather than the

direct camera web interface) because the NVR must know what values have

been selected.

• The configuration limits available for a secondary stream might be different

between two cameras of the same model, same firmware level, and same

primary stream configuration depending on other camera configuration choices,

such as Wide-Dynamic-Range (which, in some implementations, may cut the

maximum available frame-rate in half).

• The result of serious over-configuration can have different results on different

camera models. In some cases, the secondary resolution and frame-rate values

that are too large are simply replaced with smaller values. In other cases, it

appears that the camera will attempt to run the configuration resulting in the

camera responses becoming slower - instead of a fraction of second, responses

can take longer. The NVR operations that assume time-out after 3 seconds run

very badly, filling the syslog with failure messages every few seconds.

• One possible result of over-configuration is that if the primary stream has been

running at less than maximum resolution or maximum frame rate, and then is set

to the maximum, the response from the camera may be to accept the new

primary values and drop a previously-running secondary stream. The primary

stream should be fully configured first.

• The recovery from a seriously over-configured camera may require camera

reboot using the direct camera web interface or camera power-cycle.

•SONY 5

generation cameras when primary stream is set to 640x480 or greater then pick a

smaller resolution for the secondary, generally not more than 640x480.

• VideoEdge NVR Web Client resolution limitation with SONY megapixel cameras, won’t display

video with resolution of width or height at 2048 pixels or higher.

• Due to the above limitation, it is recommended to set the aspect ratio of CH210, DH210/210T to

16:9 prior to configuring them on VideoEdge NVR. The 4:3 aspect ratios can be set after they

are configured on the NVR. However, re-adjusting the FPS, resolution may be necessary for

them to work properly with NVR.

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Bosch VG5-825-ETEV Specifications Page 107

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