Axis 247S Bedienungsanleitung PDF herunterladen (Seite 36)

AXIS 247S - Troubleshooting

For additional assistance, please contact your reseller or check the product’s support pages on the Axis Website

at www.axis.com/techsup

Bad snapshot images

Display incorrectly configured on

your workstation

In Display Properties, configure your display to show at least 65000 colors, i.e. at least 16-bit.

Using only 16 or 256 colors on your display will produce dithering artifacts in the image.

Incorrect exposure in images

Incorrect line termination If the Video Server is to be connected in loop through with other equipment, disable the input

termination by turning the corresponding DIP switch to OFF.

Problems with the MPEG-4 format

Lower frame rate than expected. Check with the administrator that there is enough bandwidth available. Check also the settings

for bit rate control, in the Video & Image > Advanced > MPEG-4 settings. Using an inappro

priate video object type can also affect the frame rate. See the online help for more informa-

tion.

Check in the AMC control panel applet (MPEG-4 tab) that video processing is not set to Decode

only I frames.

Lower the image resolution.

Reduce the number of applications running on the client computer.

No MPEG-4 displayed in the

client.

Check that the correct network interface is selected in the AMC control panel applet (network

tab).

Check that the relevant MPEG-4 connection methods are enabled in the AMC control panel

applet (network tab).

In the AMC control applet, select the MPEG-4 tab and click the button Set to default MPEG-4

decoder.

No multicast MPEG-4 displayed

in the client.

Check with your network administrator that the multicast addresses used by the

Video Server are valid for your network.

Check with your network administrator to see if there is a firewall preventing viewing.

Multicast MPEG-4 only accessi-

ble by local clients.

Check if your router supports multicasting, or if the router settings between the client and the

server need to be configured. The TTL (Time To Live) value may need to be increased.

Poor rendering of MPEG-4

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. This is done on the MPEG-4 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 and Motion JPEG.

Modify the settings for your graphics adapter. Please see the adapter's documentation for more

information.

No audio

Incorrect setup. Check that the sound card in the PC and the connections to the speaker and microphone are

working. Ensure that the mute button is not pressed and the volume settings are correct.

Post Content Length in proxy

server.

The Post Content Length set in the proxy server is too low. Set the value of the Post Content

Length in your proxy server to 1MB or more. You may need to contact your system administra

tor to do this.

Firewall or router settings. AXIS 247S works locally, but not externally. Check the Internet firewall settings with your sys-

tem administrator or reconfigure the default router settings.

DC power not enabled for micro-

phone.

If the microphone has a built-in amplifier then the DC power must be enabled on the Audio

Settings page.

Audio volume too low/high

Volume settings incorrect. The volume of the microphone connected to the AXIS 247S is either too high or too low.

Change the volume for the microphone in the Live View page.

Input and output gain set incor-

rectly.

Change the input gain for the microphone to adjust the audio levels on the Audio Settings

page.

Poor audio quality

Too many users. Too many users/clients listening to audio from the AXIS 247S may adversely affect the sound

quality.

CPU overloaded. Reduce the number of listeners and viewers and decrease the image resolution and compres-

sion.

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