Atlantic Technology Direct Access Connector, Care of Your SP-8000, Troubleshooting Guide

Operation & Troubleshooting 13

Instruction Manual

is less sensitive at the frequency extremes (deep bass and very high sounds).In order to compensate when you must play the system at lower volume levels,EQ4 has been designed to raise the overall bass output of the sub slightly.The result will be a fuller and richer sounding bass at low volumes.EQ4 is designed for both music and movies.It can also be used to help compensate for lack of bass at the listening position.

REF - This resets the EQ to flat response and the also resets the volume trim to 0dB.

		LEVEL TRIM and MUTE
	����
		- The  and  buttons let you
		change the total output level of
����		your subwoofer to compensate for
		soundtrack variations and your per-
		sonal preferences. Each push of the

button results in a 1dB change above or below the preset reference set with the BASS LEVEL control.The LEVEL TRIM readout on the ampli- fier indicates the level of adjustment in dB.

Pressing the MUTE button turns off the volume of the Subwoofer.Press- ing it again returns the volume to its previous setting.

Direct Access Connector

Located on the rear panel, this port and the corresponding male plug (shipped installed in the port) is for use with a hard wired remote control system using electronic or mechanical switching.Each contact function is labeled. To access the control functions use a normally open connec- tion. Momentary closure will activate each function. The LEVEL TRIM function will respond in 1dB steps to a single contact closure while con-

stant closure will result in continuous steps to the maximum of ± 10dB. The REF EQ and REF volume reset functions each have their own set of contacts.

Care of Your SP-8000

The preamplifier can be wiped with a clean, dry cloth. If necessary, you can clean the front panel with a soft cloth moistened with mild window cleaner or dampened slightly with water.

IMPORTANT: SAVE YOUR BOXES! If you can do so, save the car- ton, packing pieces and plastic bags that came with your SP-8000. They will be useful in case you move or have to ship your system for any reason. In any case, save all packing materials until you are certain that the system has suffered no damage in shipment. If you find such damage, either visible or internal, contact your dealer immediately for the proper return procedure.

Troubleshooting Guide

Once your Preamp is set up,you should have many years of maintenance free enjoyment from your system. However, if you should encounter a problem,refer to the following guide to help find the solution.If the prob- lem persists, please contact your local authorized Atlantic Technology dealer.

Problem	Possible Cause	Possible Solution
No bass output	AC power cord unplugged or	Plug into a working outlet.
	plugged into a non-working outlet.
	Input cables not securely	Check all connections, then try another
	connected or defective.	input cable.
Audible buzz or hum	Input cable not securely connected	Check all connections, then try another
	or defective.	input cable.
	Ground loop through antenna or	Test by disconnecting antenna and/or cable
	cable TV system input.	system input leads. If hum goes away, install
		isolation balun(s) at that point.