Radio Shack 63-1120 User Manual
Digital Vehicle Compass
63-1120 OWNER’S MANUAL — Please read before using this equipment.
Thank you for purchasing a RadioShack Digital Vehicle C ompass.
Your compass conveniently provides accurate heading
information inside your vehicle. It incorporates the same magnetic
sensor technology that is used in factory-installed vehicle
compasses. The compass electronically separates the Earth’s
magnetic field from the magnetic fields generated by your vehicle,
to provide accurate compass headings.
Automatic Shut-Off — conserves power by turning off the
compass about 10 minutes after you park the vehicle when there
are no significant changes in the surrounding magnetic fields.
Magnetic Distortion Detection — alerts you when outside
magnetic interference is affecting compass accuracy.
INSTALLING BATTERIES
Your compass requires two AAA batteries (not supplied) for
power. For the best performance and longest life, we recommend
RadioShack batteries. Battery life is about 11 months (based on
an average of 8 hours of compass use and 2 hours of backlight
use per week).
Cautions:
• Use only fresh batteries of the required size and
recommended type.
• Do not mix old and new batteries, different types of batteries
(standard, alkaline, or rechargeable), or rechargeable
batteries of different capacities.
© 2001 RadioShack Corp ora tion. All Rights
RadioShack and RadioShack.com are trademarks
used by RadioS hack Corporation.
Reserved.
1. Slide the battery compartment cover in the direction of the
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OPEN arrow to remove it.
2. Place two AAA batteries in the compartment as indicated by
the polarity symbols (+ and –) marked inside.
3. Replace the cover. All the arrows flash. After y ou install or
replace batteries, you must calibrate the compass (see
“Calibrating the Compass” on Page 4).
If all the arrows and digits flash, and the backlight turns on when
you turn on the compass, replace the batteries or use vehicle
battery power (see “Using Vehicle Battery Power”).
Warning: Dispose of old batteries promptly and properly. Do not
burn or bury them.
Caution: If you do not plan to use the compass for a month or
more, remove the batteries. Batteries can leak chemicals that c an
destroy electronic parts.
USING VEHICLE BATTERY POWER
This compass is designed to be used with RadioShack’s 12V DC
adapter Cat. No. 270-031A (available at your local RadioShack
store). Using any other adapter could void the warranty and
damage the compass.
You can power the compass from a vehicle’s 12V power source
(such as cigarette-lighter socket) using a 12V, 3 amp DC adapter
(not supplied, available at your local RadioShack store).
Cautions:
You must u se a power sou rce that supplies 12V DC
and delivers at least 3 amps. Its center tip must be set
2
to positive and its plug must fit the compass' jack. Using an
adapter that does not meet these specifications could
damage the compass or the adapter.
• Always connect the DC adapter to the compass before you
connect it to the power source. When you finish, disconnect
the adapter from the power source before you disconnect it
from the compass.
Note: Since not all vehicles have constant power supplied to the
power outlet, two AAA batteries are required to retain the
compass calibration settings in memory (although they do not
power the compass when vehicle battery power is used).
Insert the barrel plug of the 12V DC adapter (not supplied) into the
DC12V jack on the back of the compass. Then insert the DC plug
into your vehicle’s power outlet.
MOUNTING THE COMPASS
Choose a clean mounting location on the vehicle’s windshield
where the compass is at least 5 inches away from any stereo
speakers and will not obstruct the driver’s field of view .
Your compass comes with three suction cups for secure
mounting.
1. Insert the small ball head of each suction cup into the larger
hole on the bottom of the bracket and slide it into the
bracket’s smaller hole so it fits tightly.
2. Place the compass in the holder.
Note: To remove the compass from the holder, simply s lide it
out.
3
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