6
2. Insert the adapter’s plug into the
system’s DC 9V INPUT jack.
3. Plug the adapter into a standard
AC outlet.

Using Vehicle Battery Power

You can power the system from your
vehicle’s battery if the vehicle has a
12-volt DC, negative-ground electri-
cal system. This connection requires
a DC adapter, such as Cat. No. 270-
1562.
Cautions:
If you are not sure what type of
electrical system your vehicle
has, check with the vehicle
dealer.
The adapter must supply 9 volts,
its center tip must be set to neg-
ative, it must deliver 500 mill i-
amps, and its plug must
correctly fit the DC 9V INPUT
jack. The recommended adapter
meets these requirements.
Using any other adapter could
damage the system or the
adapter.
Plug the smaller end of the adapter
into the DC 9V I NPUT jack on the back
of the system. Then plug the larger
end into the vehicle’s cigarette-light-
er socket.
Caution: To avoid electrical shock
and damage to the system and vehi-
cle, always unplug the adapter from
the cigarette-lighter socket before
unplugging it from the system.
CONNECTING ANOTHER AUDIO SOURCE
You can connect another audio
source (such as a stereo VCR or CD
player) to the system so you can sing
along with the audio source’s sound.
Connect the source’s headphone
output jack to the system’s AUX IN-
PUT jack.
Note: If your audio source has AUX
OUT jacks (such as those found on a
stereo VCR or CD player), use a
shielded Y-adapter cord with phono
plugs on each end (such as Cat. No.
42- 2475). Connect the end with the
single plug to the system’s AUX IN-
PUT jack and connect the other end’s
two phono plugs to the AUX OUT
jacks on the audio source.
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