Axis P1311 User Manual download pdf (Page 41)

AXIS P1311 - Troubleshooting

Poor rendering of MPEG-4/H.264

images

Color depth set incorrectly on clients. Set to 16-bit or 32-bit color.

If text overlays are blurred, or if there are other rendering problems, you may need to

enable Advanced Video Rendering from the MPEG-4/H.264 tab in the AMC control

panel applet.

Ensure that your graphics card is using the latest device driver. The latest drivers can

usually be downloaded from the manufacturer's web site.

Color saturation is different in

MPEG-4/H.264 and Motion JPEG

Modify the settings for your graphics adapter. Please see the adapter's documenta-

tion for more information.

Lower frame rate than expected

Reduce number of applications running on the client computer.

Limit the number of simultaneous viewers.

Check with the system administrator that there is enough bandwidth available. See

also the online help.

Check in the AMC control panel applet (MPEG-4/H.264 tab) that video processing is

not set to Decode only I frames.

Lower the image resolution.

Why do I not get 30 frames per second?

See the section General performance considerations, on page 45.

Image degeneration

Decrease the GOV length, see the online help for more information.

The Status and Network indicator LEDs are flashing red rapidly

Hardware failure

Contact your Axis dealer.

The Status indicator LED is flashing red and the camera is inaccessible

A firmware upgrade has been inter-

rupted or the firmware has otherwise

been damaged

See the Emergency Recovery Procedure above.

No images displayed on web page

Problem with AMC.

(Internet Explorer only)

To enable the updating of video images in Microsoft Internet Explorer, set your

browser to allow ActiveX controls. Also, make sure that AXIS Media Control (AMC)

component is installed on your workstation.

Installation of additional ActiveX com-

ponent restricted or prohibited

Configure your camera to use a Java applet for updating the video images under

Live View Config > Layout > Default Viewer for Internet Explorer. See the online

help for more information.

Video/Image problems, general

Image too dark or too light

Check the video image settings. See the online help on Video and Image Settings.

Missing images in uploads

This can occur when trying to use a larger image buffer than is actually available. Try

lowering the frame rate or the upload period.

Slow image update

Configuring pre-buffers, motion detection, high-resolution images, or high frame

rates, will affect the performance of the camera.

Poor performance

Poor performance may be caused by heavy network traffic, multiple users accessing

the unit, low performance clients, use of features such as Motion Detection, Event

handling, Image rotation other than 180 degrees.

Focus assistant problems

The focus assistant cannot focus

If the view in front of the camera changes during adjustment (i.e., if a finger or other

object is placed in front of the lens, lighting conditions change, or if the camera is

moved), the process of using the focus assistant will either need to be restarted, or

the camera will need to be adjusted manually.

Dynamic DNS is enabled instead of the

Focus Assistant

If the control button is not released within two seconds, dynamic DNS is enabled

instead of the Focus Assistant.

Poor quality snapshot images

Screen incorrectly configured on your

workstation

In Display Properties, configure your screen to show at least 65000 colors, that is, at

least 16-bit. Using only 16 or 256 colors will produce dithering artifacts in the image.

Overlay/Privacy mask is not displayed

Incorrect size or location of overlay or

privacy mask.

The overlay or privacy mask may have been positioned incorrectly or may be too

large. Refer to Overlay Image Requirements and Limitations in the online help for

more information.

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Axis P1311 User Manual Page 41

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