AXIS Q1755/-E - Troubleshooting

Poor rendering of 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 H.264 tab in the AMC con-

 

trol 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 H.264

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

and Motion JPEG

tation 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 (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 sec-

See the section General performance considerations, on page 51.

ond?

 

 

 

Image degeneration

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

The Power indicator is not constantly lit

Faulty power supply

Check that you are using an AXIS PS-P power supply.

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

Afirmware upgrade has been inter- rupted or the firmware has otherwise been damaged

No images displayed on web page

See the Emergency Recovery Procedure above.

Problem with AMC.

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

(Internet Explorer only)

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

 

(AMC) component is installed on your workstation.

 

 

Installation of additional ActiveX

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

component restricted or prohibited

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.

 

 

Poor quality snapshot images

 

Screen incorrectly configured on your In Display Properties, configure your screen to show at least 65000 colors, that

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

privacy mask.large. Refer to Overlay Image Requirements and Limitations in the online help for more information.

Browser freezes

Netscape 7.x or Mozilla 1.4 (or later) Lower the image resolution. can sometimes freeze on a slow com-

puter

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Axis Communications AXIS Q1755-E user manual Set to Decode only I frames