NEC NEC Display Solutions USER'S MANUAL AccuSync user manual Troubleshooting, Speakers

Troubleshooting

Symptoms	Possible Problem	Solution	Note
No sound from	No power to unit.	Make sure all connecting plugs	Provided power has been
speakers		between the audio base and	verified, it is possible to test the
		computer are fully seated. Make	unit by disconnecting the audio
		sure the wall power outlet or	cable that is connected to the
		power strip has power. Make	computer and reconnecting it to
		sure the power switches on the	an alternate audio power source
		power strip and audio base are	such as a portable CD player.
		turned on.
	Volume level on	Check volume level of sound	Check with an alternate audio
	sound card or other	card, audio source and Windows®	source as mentioned above.
	audio source may	mixer and raise as necessary,
	be too low.
	Volume is too low.	Make sure the volume control is
		not at zero.
Distortion (i.e.	Speaker is being	Make sure the audio base is	Depending on your sound card,
static, hissing,	overdriven by an	connected to line-out jack	you may also turn off the
crackling)	amplified audio	(unamplified) of sound card and	amplifier on the sound card
	source.	not speaker-out jack (amplified).	(check your sound card manual).
	Volume level on	Check volume level of sound
	sound card or other	card or audio source and lower
	audio source may	as necessary.
	be too high and
	causing speaker to
	be overdriven.
	Sound card or	Check speakers with another	For this check, disconnect
	specific sound file/	audio source (CD-ROM player)	speakers from sound card and
	track may be root	to see if sound card or specific	plug into headphone jack on
	of problem.	file/track may be the problem.	front of CD-ROM player or
			alternate line-level audio source.
Sound from	Audio cable is not	Make sure the audio connector is
only one	properly	properly inserted in the audio
speaker	connected.	jack on the rear side.

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AudioBase 8 9/29/00, 11:27 AM