JBL ARC SUB10 Troubleshooting, Mode Procedure, Speakers, check Check the following, Following

three. Operation

Mode	Procedure	LED Status
Off	Receiver/amplifier off	Red
On	Receiver/amplifier on and playing program material	Green
Standby	Simply turn off your receiver/amplifier. The subwoofer will	Red
	turn off after approximately five minutes. The subwoofer
	will turn on when your receiver/amplifier begins playing again.

Volume

min max	min max
	Volume
Volume

Crossover Frequency

The crossover-frequency knob	crossover frequency that	most users, the control should
determines the highest fre-	sounds best with your	be set somewhere near the
quency your subwoofer will	speakers.	mid position. For listeners
reproduce. It allows a seam-	When the control is at the	using very small speakers,
less transition from the	”50“ position, very few high	best results will be obtained
subwoofer to the satellite	frequencies will be heard.	with the control at the ”150“
speakers. Experiment with	This position is best suited	position.
this adjustment to find the	to large main speakers. For

Troubleshooting

If you used the high-level	If there is low bass output,	If you used the line-level
(SPKR) inputs and there is	check the following:	inputs and there is no
no sound from any of the	• Make sure the connections	sound from the subwoofer,
speakers, check the		check the following:
	to the left and right “Speaker
following:
	Inputs” have the correct	• Receiver/amplifier is on
• Receiver/amplifier is on	polarity (+ and –).	and a source is playing.
and a source is playing.	• Make sure that the sub-	• Powered subwoofer is
• Powered subwoofer is	woofer is plugged into an	plugged in.
plugged in.	active electrical outlet.	• Check all wires and con-
• Check all wires and connec-	• Powered subwoofer is	nections between receiver/
tions between receiver/	plugged in.	amplifier and subwoofer.
amplifier and speakers. Make	• Adjust the crossover point.	Make sure all wires are con-
sure all wires are connected.		nected. Make sure none of
Make sure none of the		the wires are frayed, cut or
speaker wires are frayed,		punctured.
cut or punctured.		• Review proper operation of
• Review proper operation		your receiver/amplifier.
of your receiver/amplifier.