Axis Communications 230 MPEG-2 user manual Mic or audio input device

AXIS 230						Troubleshooting		41
Symptoms	Possible causes	Remedial actions
Slow video	Outdated drivers for graphics	Obtain and install the latest device driver for your graphics card from
	card.	the manufacturer’s web site. Also check that DirectDraw acceleration
		is enabled. This can be done by running the program DxDiag.exe (click
		Start - Run and then type dxdiag.exe) Check on the Display tab that
		DirectDraw acceleration is enabled.
	Another application is using	Close the other application, and then re-open the AXIS 230’s Live View
	DirectDraw acceleration,	page. Examples of other applications that use DirectDraw acceleration
	making this unavailable to the	are: video conferencing software, Web TV, video playback software and
	AXIS 230.	video editing software.
	Insufficient free memory on	Lower the resolution/color depth for the monitor. Right-click on the
	graphics card for using the	desktop and select Properties - Settings.
	hardware acceleration
	capabilities.
Poor quality video (image	Outdated drivers for graphics	See “Slow video” above.
hopping, etc.), wrong	card.
image format (b/w,
inverted, etc.)
No audio / poor audio.	Faulty connection to external	Check connections. If the audio LED flashes or is steady green, then
	mic or audio input device.	audio is reaching the MPEG decoder in the AXIS 230 and is included in
	Error in power supply to	the stream.
	external microphone.
	Incorrect settings.	Check that the correct input is selected. Check the input sensitivity. If
		the audio LED flashes or is steady green, then audio is reaching the
		MPEG decoder in the AXIS 230 and is included in the stream.
	Error in client.	Check the settings for the client PC’s sound card. If audio is weak or
		distorted, check the master gain setting in the AXIS 230.
	Outdated drivers for sound	Check that you are using the latest device driver for your sound card.
	card.	Check the manufacturer’s web site for new drivers.
Triggering difficulties	Unable to trigger on both	Repetitive trigger conditions that occur in quick succession can be
with programming scripts.	positive and negative	missed. This is because the command initiated by the first trigger event
	transitions of the Control	may not have been fully executed before the second event starts. This
	Button and/or I/O ports	scenario is demonstrated in the illustration below:
	(double-edged triggering).		Command			Command
		Command		?
			T1		T2	T3
							Time
		Trigger
		This feature has particular significance when using commands that
		take a relatively long time to process, e.g. mail or FTP, especially if they
		are transmitting a pre/post alarm buffer.

Note: If you still have a problem after reading this information, please contact your reseller or visit the Axis Support Web at www.axis.com/techsup/