Crutchfield 000PERIG Manuale di installazione - Pagina 3

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000PERIG

FM Modulators

If your factory or aftermarket receiver doesn't have changer controls, an auxiliary input, or an

available adapter, you can add an external source to your system with an FM modulator (sometimes

called an RF, or radio frequency, modulator). A wireless FM modulator transmits the source signal to

your receiver over a standard FM frequency, which you can tune on your receiver.

A wired FM modulator offers slightly better performance, since it plugs into the antenna input of

the receiver.

Installing wired FM modulators

To install a wired FM modulator, ﬁrst ﬁnd a good mounting location. Keep in mind that you will need

to access your factory radio through its antenna input, and connect the peripheral source to the

modulator. Common locations include the trunk, under a seat, behind an interior panel, and in the

cavity behind the receiver (see page 5).

FM modulators require a 12-volt connection to a switched (on/off) power source. Since you have to re-

move your radio to get to the antenna input, you'll have easy access to the power and ground wires in

your factory radio harness. If you don't want to splice into your factory wires, you can make the power

connections at your fuse panel. Look for empty fuse holders and insert fuse taps. Attach your 12-volt

power wire, which normally comes out of the FM modulator hideaway box, to the fuse tap. You'll also

have a black ground wire that must be secured beneath a nearby screw that makes contact with bare

metal on the body of the vehicle.

Following the instructions on your Crutchﬁeld MasterSheet™ (available for most vehicles), remove

your receiver from the dash and unplug the antenna from the rear of the unit. Plug the vehicle's

antenna cable into the antenna input on the FM modulator. Next, run the output of the modulator to

your receiver's antenna input (certain vehicles require an antenna adapter — use the online Vehicle

Selector or call a Sales Advisor to inquire about a speciﬁc vehicle). If this leaves slack in your

antenna lead, secure it with a wire tie to prevent interference with safe vehicle operation.

Install your new component and connect its audio output at the FM modulator. Determine which of

the available modulation frequencies is least likely to be shared by a strong local radio signal and

set it on the hideaway box before you mount the unit (on some models you can change this setting

on the ﬂy).

Wireless FM modulators

Installation is even easier with a wireless FM modulator, allowing you to make connections without

removing your receiver or running extra wires. The trade-off, however, is in sound quality. While wire-

less modulators are convenient, they are susceptible at times to outside interference and static.

Installation is easy — just connect the modulator to your source and plug in its cigarette lighter

power adapter.

SAFETY CHECK

✔ Check that wires do not interfere with vehicle operation.

Satellite radio tuner connected

via wired FM modulator.

iPod

Playlists

Browse

Extras

Settings

Backlight

MP3 player connected via

wired FM modulator.

FM modulators connect

between your vehicle's

antenna and receiver,

allowing you to add a

variety of audio sources to

your system.

FM1