Bosch VG5-825-ETEV Specifications download pdf (Page 71)

Axis Communications

23-5

• The Sequence portion of the NVR web client PTZ page may appear or disappear when the page

is refreshed.

• If the MJPEG quality level is set to 100 at high resolutions ( 1920x1200 for example ) then live

viewing problems ( high latency, momentary loss of video, etc) may be observed in a Victor

Client surveillance screen if that workstation is also trying to live view using the NVR web client.

To avoid the problem, either reduce the quality level or reduce the number of live viewing clients

that are running on the workstation. Also the FPS provided by the camera may drop dramatically

as a result of increasing the quality level to 95 or higher.

• The Axis M5013 and M5014 have a single speed PTZ movement therefore the camera PTZ

movement is affected only by the interval between the start and stop commands from Victor

Client, not the speed values in the start command. The consequence is that PTZ movements

may be larger than desired. Refer to QC 9770 for more details.

• The Axis M3204 and other models that have the exposure setting at “automatic” ( default ) will

reduce FPS to improve image quality when poor lighting conditions occur. To avoid the FPS

reduction when the lights are turned off in the room being viewed then change the exposure

setting from “automatic” to “hold current” however the consequence is that the image quality

could be very poor (dark).

• A frame rate drop or a brief video loss may occur at the moment that lights are turned off in a

room being viewed when receiving MJPEG from Axis Day/Night cameras. To avoid the problem,

either use MPEG-4 or H.264 to receive the stream. .

• The NVR Web client allows selection of 8 Kbps audio bit rate and AAC Audio Codec but not the

audio sampling rate.

Selecting the 8 Kbps audio bit rate setting will result in a loss of audio if the

sampling rate is 16 KHz or higher. Use the camera's own web interface to change the audio

sample rate to 8 KHz

if the 8 Kbps audio bit rate is selected. This limitation occurs on Axis

cameras that support AAC Audio Codec and the 16KHz (or higher) Audio Sample Rate.

Please

refer to Axis camera documentation for details.

• After going to a PTZ preset position on an Axis P5512 camera, the NVR web client will report an

error although the camera actually goes to the preset position.

• After enabling dry contact inputs, ensure that LAN connectivity to the camera is maintained

otherwise frequent NVR event log messages will be generated about

failed attempts to re-

establish

dry contact event streams and an infrequent reload of the Axis handler may occur due

to a race condition flaw in libcurl version 7.21.3.

• The number of presets allowed is capped at 50 for the victor Client. When working with

encoders, only the first 32 presets function properly. Axis documentation claims each channel

can support 100; however this does not appear to be the case.

Note

Please refer to AXIS cameras release notes published on the AXIS website for more information

about AXIS cameras and limitations.

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Bosch VG5-825-ETEV Specifications Page 71

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