Radio Shack XL-110 Completing the Installation, Testing Connections, Mounting the Amplifier

LEVEL (MIN/MAX)

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2.Use a screwdriver to connect the sub- woofer’s negative (– ) wire to the ampli- fier’s negative (–) terminal for the same channel you connected in Step 1. For example, if you connected the sub-

woofer’s positive (+) wire to the ampli- fier’s SPEAKER L (+) terminal, connect the subwoofer’s negative (– ) wire to the amplifier’s SPEAKER L (–)terminal.

ˆCompleting the Installation

TESTING THE

CONNECTIONS

Before you continue, make sure you have securely made all connections. Then recon- nect the cable to the vehicle’s negative (– ) battery terminal.

Seton the side of the am- plifier to its mid position (see “Adjusting the Audio Level” on Page 15). Then turn on your vehicle’s ignition and auto sound system to confirm that the amplifier and auto sound

system operate properly. The amplifier turns on after a few seconds.

If you cannot quickly confirm whether the auto sound system and amplifier are working properly, turn off your vehicle’s ignition and disconnect the cable from your vehi-

cle’s negative (–) battery terminal. Then

recheck your connections.

After you test the auto sound system and amplifier and verify that everything is proper- ly connected and working, follow the instruc- tions in “Mounting the Amplifier.”

MOUNTING THE AMPLIFIER

Sheet Metal Screw

Lock Washer

Flat Washer

9/64-Inch Mounting Holes

Once you verify that the amplifier is connect- ed properly, follow these steps to mount it.

1.Disconnect the cable from the vehicle’s negative (–) battery terminal.

2.To make mounting more convenient, temporarily disconnect the amplifier’s connections (ground, primary power, remote power, your auto sound system’s input, and speakers).

14 Completing the Installation