JBL INVADER manual Controls on the Subwoofer Treble Bass, Muting, Troubleshooting

Muting

Turning the volume control knob completely counter-clockwise mutes the system.

Controls on the Subwoofer

Treble

Bass

Bass - Turn the knob marked Bass clockwise to increase the subwoofer level or counterclockwise to decrease the subwoofer level.

Treble – Turn the knob marked Treble clockwise to increase the treble level or counterclockwise to decrease the treble level.

Troubleshooting

SYMPTOM	POSSIBLE PROBLEM	SOLUTION	NOTE
No sound from Speakers	No power to unit.	Make sure wall power	Check green power LED on
		outlet or power strip has	the sub. Are the LED’s on?
		power. Make sure all	If the sub’s led is not on,
		switches for outlet/power	power is not getting to your
		strip are on and that all	speaker system. Try the
		switches for speaker	solutions shown.
		system are on.
	Is the control/right satellite of	Ensure that the control	There is an LED located in
	your INVADER plugged in	speaker connector is	the bottom of each of the
	correctly?	pushed in properly.	two satellite speakers.
		Remove the control /right	These should both be lit. If
		speaker connector from	they are, your speakers are
		the subwoofer, then re-	both plugged in correctly.
		connect this cable
		ensuring that the
		connector is pushed in
		properly.
Distortion (static, crackling	Noise may be caused by	Turn monitor off to see if
or hissing sounds)	interference from the	noise is eliminated. Move
	monitor.	speaker cables farther
		away from monitor.
	Speaker is being overdriven	Ensure that speaker is
	by an amplified audio	connected to the
	source.	appropriate receptacle.
		Check color-coding on
		connectors when making
		connections. Make sure
		that all signal cables are
		inserted snugly into
		receptacles.
	Volume level on sound card	Check volume of sound
	may be too high.	card via Windows Volume
		Control.
	Sound card or audio source	Check speakers with	Disconnect speaker input
	material may be cause of	another audio source.	cable (green connector)
	problem.		from sound card and plug
			into CD ROM headphone
			jack. If static is eliminated,
			troubleshoot the soundcard.

Document Number: 950-0042	Description: MANUAL, JBL 4.1, All languages
Revision: 06