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AMITSUBISHI

AIVI/ FM STEREO RECEIVER

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INSTRUCTION BOOK

I Congratulations on your choice of the Mitsubishi

AM/ FM Stereo Receiver Model DA-R15. For best
performance results, please read this instruction
book carefully before use.

WARNING-TO PREVENT FIRE OR SHOCK
HAZARD, DO NOT EXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE.

For future reference a space has been provided below for
recording the serial number of your receiver.

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PRECAUTIONS

1. GENERAL
CONNECT ONLY TO YOUR A.C. POWER SUPPLY
The A.C. power supply required by this unit is
marked on the rear panel. Connection to any other
power source may damage this unit and cause severe
electrical shock.

DO NOT PLUG IN OR UNPLUG THE POWER
CORD WITH WET HANDS

There is great danger of severe electrical shock if
the power cord is plugged in or unplugged with
wet hands. Do not attempt to unplug the cord
from an A.C. outlet by pulling the cord. Always
grasp the plug itself firmly to remove if from the
A.C. outlet.

HANDLE THE POWER CORD WITH CARE

Do not bend sharply or twist the power cord, nor
allow it to become trapped under heavy furniture.
If the insulation becomes damaged, the conductor
breaks, or poor contacts occur, request service
from your authorized service center. Continued
use under these conditions may cause fire or elec-
trical shock.

DO NOT ALLOW WATER OR ANY FOREIGN
MATTER TO GET INSIDE THIS UNIT

Should water or a metallic object accidentally fall
into this unit, immediately unplug the power
cord and consult your authorized service center.

DO NOT TOUCH THE INSIDE OF THIS UNIT
There are high voltages inside this unit. Never
remove the bottom cover or the wooden case. All
inspection and repairs, including fuse replace-
ment, should be carried out only by your autho-
rized service center.

UNPLUG THE POWER CORD AT THE FIRST
SIGN OF TROUBLE

At the first sign of unusual noise, odor or malfunc-
tion, unplug the power cord and consult your
authorized service center. Continued use under
these conditions may increase damage or cause
additional problems.

2. LOCATION

AVOID PLACEMENT IN DIRECT SUNLIGHT,
NEAR AIR CONDITIONER, ETC.

This unit can be adversely affected by operation at
unusually high or low temperatures. Place in a well
ventilated area for proper heat dissipation. Avoid
placement in direct sunlight, near air conditioners,
in poorly ventilated areas or in areas of excess
humidity or dust. Do not block the ventilation
holes.

3. CONNECTIONS

BE SURE TO TURN THE POWER OFF WHILE
MAKING CONNECTIONS TO OTHER COM-
PONENTS

This is to prevent damage to the speakers from the
popping noise that would occur when plugging
and unplugging connections to other components
with the power on.

BE. VERY CAREFUL TO MAKE THE CORRECT
CONNECTIONS

If you reverse the R (right) and L (left) leads, you
will reverse the stereo location of R and L chan-
nels.

BE VERY CAREFUL TO MAKE SECURE CON-
NECTIONS

Improperly connected plugs may become loose or
disconnected, resulting in hum and other noise. If
not corrected, deterioration of sound quality and
damage to the speakers may result.

USE ONLY SHIELDED CORDS FOR THE LEADS
Use only shielded cords for interconnecting com-
ponents. Do not use cords longer than 2 m (about
6). Excessive cord lengths can degrade high fre-
quency response and may pick up interference
that will produce hum or noise.

IF YOU CONNECT TWO PAIRS OF SPEAKERS,
BOTH PAIRS SHOULD BE OPERATED AT THE
SAME TIME ONLY IF THEIR COMBINED IMPE-
DANCE IS 4 OHMS OR MORE

If the combined impedance is less than 4 ohms,
the protection circuit may operate and mute the
power-output stage. The combined impedance
can be calculated as shown below.

AxB
A+B

A: Normal impedance of the A speakers.
B: Normal impedance of the B speakers.
80 for 8-ohm speakers, the combined impedance
would be (8 x 8)/(8 + 8) or 4 ohms, which is a
satisfactory value. If in doubt, please consult your
audio dealer for additional information.

COMBINED IMPEDANCE = (OHMS), where