Bosch Appliances VG5 700 series user manual Problem Solution If O.K., then, Poor Audio

AutoDome 700 Series IP PTZ CameraTroubleshooting Guide en 63

Problem	Solution
	If O.K., then:
	– Check all network connections.
	–	If the video is clear and contains no distortion, then the network connections are
		probably not the source of audio problems.
	–	Ensure that the maximum distance between any two Ethernet connections is 100 m
		(328 ft).
		Refer to the VG5 AutoDome Installation Manual for more information.
Poor Audio	– Check the computer receiving the audio from the VG5 AutoDome or from the IP
	Decoder.
	–	Check the computer’s audio output card and speakers. Play a secondary source of
		audio on the computer, if you hear static then replace the speakers and try again.
	–	Check the computer’s audio output card and speakers. Play a secondary source of
		audio on the computer. If you still do not hear audio replace the speakers and try
		again.
	If O.K., then:
	– Check the Gain settings and the peak gain value.
	a.	Access the Settings Web page for the IP-enabled device.
	b.	Expand the Encoder Settings link, then click Audio Settings.
	c.	Adjust the Gain level so that the peak value stays within the green area.
		Refer to the VG5 AutoDome Installation Manual for complete information.
	If O.K., then:
	– Check the location of the microphone and the audio cables.
	–	Line level audio is typically between 700 mV and 2 V so it may be affected by AC
		power or transmission sources.
	–	Ensure that there is a maximum (at least 1 foot per 100 VAC) distance between the
		microphone and audio cables and the AC source.
	If O.K., then:
	– Verify the cable type and installation used for audio connections between the
	microphone and the VG5 AutoDome.
	–	Cable type: Coaxial
	–	Cable length: 10 m (33 ft), maximum
		Refer to the VG5 AutoDome Installation Manual for more information.

Bosch Security Systems, Inc. User Manual F.01U.215.777 1.0 2011.07