13-1277.fm Page 1 Wednesday, July 14, 1999 4:11 PM
Cat. No. 13-1277
OWNER’S MANUAL
Please read before using this equipment.
SYSTEM 730
Mini Stereo Component System
with 7-Disc Elevator CD Changer
50-Track Memory and Random Play
AM/FM Stereo Tuner with 24 Presets
Dual Cassettes with CD Synchro
and Hi-Speed Dubbing
5-Inch Speakers
Extended Bass
3 Preset Equalizer Settings
Clock
Wake Timer
Sleep Timer
and Remote Control
R
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OTHER SPECIAL FEATURES
Note: The remote control requires
two AAA batteries (not supplied) for
power.
Remote Control — lets you control
most of the System 730’s functions
from a distance.
Read this manual carefully. It will
help you get the most enjoyment
from your System 730.
Dual Backlit LCD Displays — clear-
ly displays your system’s indicators
for easy viewing in almost any light-
ing condition.
For your records, we urge you to
record the serial number of your Sys-
tem 730 in the space below. The se-
rial number is located on the back of
the system.
Three Preset Graphic Equalizer
Settings — provide common sound
settings for enhancing rock, pop, or
classical music at the press of a but-
ton.
Serial Number
Warning: To prevent fire or shock
hazard, do not expose this product to
rain or moisture.
Digital Clock — gives you a digital
time display even when the System
730 is turned off.
CAUTION
Memory Tuning — lets you store
and easily recall up to 24 of your fa-
vorite AM and FM radio stations.
RISK OF ELECTRIC SHOCK.
!
DO NOT OPEN.
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE
COVER OR BACK. NO USER-SERVICE-
ABLE PARTS INSIDE. REFER SERVIC-
ING TO QUALIFIED PERSONNEL.
Wake Timer — lets you set the Sys-
tem 730 to automatically turn itself on
and play the last selected radio sta-
tion, CD, or cassette tape.
This symbol is intended to alert
you to the presence of uninsulat-
ed dangerous voltage within the
product’s enclosure that might be
of sufficient magnitude to consti-
tute a risk of electric shock. Do not
open the product’s case.
Sleep Timer — lets you set your sys-
tem to automatically turn itself off af-
ter up to 90 minutes.
Auxiliary Input Jacks — let you
connect an additional audio source,
such as a TV, VCR, turntable, or an
external CD changer or cassette
deck, to your system.
This symbol is intended to inform
you that important operating and
maintenance instructions are in-
cluded in the literature accompa-
nying this product.
!
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Most CDs that can be played on this
changer have this mark on them:
Note: Most material on compact
discs and prerecorded tapes is copy-
righted. Unauthorized duplication of
copyrighted material is a violation of
the copyright laws of most countries
and such duplication may result in
fines and/or imprisonment. Note,
however, that in the United States, it
is not a violation of U.S. copyright
laws for a consumer to use an audio
recording device to duplicate musical
recordings for noncommercial (per-
sonal) use.
Warning: This CD changer employs
a laser light beam. Only a qualified
service person should remove the
cover or attempt to service this de-
vice, due to possible eye injury.
4
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13-1277.fm Page 5 Wednesday, July 14, 1999 4:11 PM
TABLE OF CONTENTS
Preparation ..................................................................................................... 7
Connecting the Speakers .......................................................................... 7
Speaker Placement ............................................................................. 7
Connecting the FM Antenna ...................................................................... 8
Connecting an Additional Audio Source .................................................... 8
Connecting Power ..................................................................................... 8
Setting the Current Time ............................................................................ 9
Installing Batteries in the Remote Control ................................................. 9
Connecting Headphones ......................................................................... 10
Listening Safely ................................................................................. 10
Basic Operation ............................................................................................ 11
Using the Demonstration Feature ............................................................ 11
Using the Remote Control ....................................................................... 11
Turning On/Off the System ...................................................................... 11
Setting the Sound .................................................................................... 12
Adjusting the Volume ......................................................................... 12
Adjusting the Balance ........................................................................ 12
Using Extended Bass (X-BASS) ....................................................... 12
Changing the Preset Graphic Equalizer Settings .............................. 13
Radio Operation ........................................................................................... 14
Listening to the Radio .............................................................................. 14
Using Memory Tuning .............................................................................. 15
Storing a Station in Memory .............................................................. 15
Recalling a Stored Station ................................................................. 16
CD Changer Operation ................................................................................. 17
Loading and Playing a CD ....................................................................... 17
Special CD Changer Features ................................................................. 19
Automatic Search Music System (ASMS) ......................................... 19
Audible Search .................................................................................. 19
Random Play ..................................................................................... 19
Repeat Play ....................................................................................... 20
Cue .................................................................................................... 20
Programmed Play .................................................................................... 21
Storing/Playing a Programmed Sequence ........................................ 21
Reviewing a Programmed Sequence ................................................ 22
Erasing a Programmed Sequence .................................................... 23
CD and CD Changer Care Tips ............................................................... 23
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Cassette Deck Operation ............................................................................ 25
Loading a Tape ........................................................................................ 25
Playing a Tape ......................................................................................... 26
Consecutive Play .............................................................................. 26
Recording onto a Cassette Tape ............................................................. 27
Recording from a CD ........................................................................ 27
Copying Cassette Tapes ................................................................... 29
Recording from the Radio ................................................................. 30
Recording from an External Microphone .......................................... 31
Tape Tips ................................................................................................. 32
Erasing a Cassette Tape ................................................................... 32
Preventing Accidental Erasure .......................................................... 32
Restoring Tape Tension and Sound Quality ...................................... 32
Using an Additional Audio Source ............................................................. 33
Listening to an Additional Audio Source .................................................. 33
Recording from an Additional Audio Source ............................................ 33
Special Features .......................................................................................... 34
Setting a Wake Up Time .......................................................................... 34
Setting the Sleep Timer ........................................................................... 35
Using an External Microphone ................................................................ 36
Maintenance ................................................................................................. 37
The FCC Wants You to Know .................................................................. 38
Cleaning the Tape-Handling Parts............................................................. 38
Specifications ............................................................................................... 39
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13-1277.fm Page 7 Wednesday, July 14, 1999 4:11 PM
PREPARATION
Important: Complete all other con-
nections to the System 730 before
you connect it to power.
Note: You can use the set of termi-
nals marked SURROUND SPEAKER
to connect surround sound speakers
(not supplied) to your System 730.
Your local Radio Shack sells a wide
selection of surround sound speak-
ers.
CONNECTING THE
SPEAKERS
1. Press open the pair of terminal
Speaker Placement
+
tabs marked MAIN SPEAKERS/
R – on the back of the System
730, then insert the right
speaker’s red wire into the red
(+) terminal and its black wire
into the black (–) terminal. Then
release the tabs.
For the best stereo effect, place the
speakers so the distance between
them is the same as the distance be-
tween the listening area and the point
halfway between the speakers. You
might want to experiment with sever-
al locations to find the best one.
Notes:
• If the you place the speakers far
apart, you can improve the ste-
reo effect by angling the speak-
ers toward you.
• To increase the bass sound,
place the speakers in the corner
of the room, against the wall or
directly on the floor.
Caution: To avoid damaging
your system and speakers,
never let the speaker wire’s bare
ends touch each other.
• To decrease the bass sound,
move the speakers slightly away
from the corner, increase the
distance between them, and/or
raise them 6 to 8 inches off the
floor. You can purchase speaker
stands at your local Radio
Shack store.
2. Repeat Step 1 to connect the left
speaker’s wires to the terminals
+
marked MAIN SPEAKERS/ L –.
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13-1277.fm Page 8 Wednesday, July 14, 1999 4:11 PM
Notes:
• See “Using an Additional Audio
CONNECTING THE FM
ANTENNA
Source” to operate an external
audio source with the System
730.
To connect the supplied FM antenna,
loosen the screw caps on the termi-
FM ANTENNA 300
nals marked
/
Ω on
• If you connect a turntable to the
System 730, the turntable must
have a built-in equalizer ampli-
fier.
the back of the System 730, slip the
antenna’s spade lugs onto the termi-
nals, then tighten the screw caps.
CONNECTING POWER
To connect power after making all
other connections, plug your sys-
tem’s AC cord into a standard AC
outlet. STAND-BY/MUTE turns on
and 12:00flashes on the display.
Note: You can use the set of screw
FM AN-
caps on the terminals marked
TENNA 75
/
Ω to connect a 75Ω FM an-
tenna (not supplied) to your System
730.
CONNECTING AN
ADDITIONAL AUDIO
SOURCE
To connect an additional audio
source to your System 730, such as
a TV, VCR, CD changer or cassette
deck, plug the audio source’s left and
Caution: Your system’s AC power
cord has a polarized plug (one blade
is wider than the other). If you have
difficulty inserting the plug into the
outlet, do not force it. Turn the plug
over and try again.
INPUT
right line level audio wires into
VIDEO L
R
(left) and (right).
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• If TIME disappears before you
finish setting the hour and
minute, start again from Step 1.
SETTING THE
CURRENT TIME
POWER
1. Press
to turn on the
• When power is disconnected or
interrupted, then restored, the
last known time flashes on the
display. If this happens, reset the
time.
DIS-
System 730, then press
once. TIME and the last-
set time appear on the display.
PLAY
INSTALLING
BATTERIES IN THE
REMOTE CONTROL
The remote control requires two AAA
batteries (not supplied) for power.
For the best performance and long-
est life, we recommend alkaline bat-
teries, such as Radio Shack Cat. No.
23-555.
HOUR
2. Within 5 seconds, press
to change the hour setting or
MINUTE
to change the minute
setting.
Caution: Always use fresh batteries
of the required size and type.
1. To open the battery compart-
ment cover, slide it in the direc-
tion of the arrow.
Notes:
• When changing the hour, be
sure to set it the correct AM or
PM hour.
• To rapidly advance the hour or
minute setting, press and hold
HOUR
MINUTE
.
or
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13-1277.fm Page 10 Wednesday, July 14, 1999 4:11 PM
2. Insert the batteries into the com-
partment as indicated by the
polarity symbols (+ and –)
marked inside.
To connect headphones, plug the
headphone’s /8-inch plug into the
1
PHONES
jack on the front of the Sys-
tem 730.
3. Replace the cover.
Note: Connecting headphones auto-
matically disconnects the System
730’s speakers.
Notes:
• If you will not be using the
remote control for a month or
more, remove the batteries.
Listening Safely
• You can use the remote control
up to a distance of about 20 feet
(6.1 meters) in front of the Sys-
tem 730. If it does not operate
properly within this distance,
replace the batteries.
To protect your hearing, follow these
guidelines when you use head-
phones.
• Set the volume to the lowest set-
ting before you begin listening.
After you begin listening, adjust
the volume to a comfortable
level.
Warning: Always dispose of old bat-
teries promptly and properly.
• Do not listen at extremely high
volume levels. Extended high-
volume listening can lead to per-
manent hearing loss.
CONNECTING
HEADPHONES
• Once you set the volume, do not
increase it. Over time, your ears
adapt to the volume level, so a
volume level that does not
cause discomfort might still
damage your hearing.
To listen without disturbing others,
you can connect a pair of stereo
1
headphones with a /8-inch plug (not
supplied) to the System 730. Your lo-
cal Radio Shack store sells a wide
selection of stereo headphones.
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13-1277.fm Page 11 Wednesday, July 14, 1999 4:11 PM
BASIC OPERATION
Note: The buttons on the remote
control and the system’s front panel
operate several of the same func-
tions, although they might be labeled
differently. You can use either of
these controls to operate the System
730.
USING THE
DEMONSTRATION
FEATURE
To showcase the features of your
System 730 and its dual display,
press DEMO, or press and hold DIS-
PLAY for about 2 seconds. The sys-
tem repeatedly runs
program on both displays.
Caution: Exposing the remote con-
trol or SENSOR to direct sunlight or
strong lights, such as a spotlight, will
reduce the remote control’s operat-
ing distance and can make it inoper-
ative.
a
preset
TURNING ON/OFF THE
SYSTEM
Press DEMO or DISPLAY to stop the
demonstration.
Press POWER to turn on the System
730. STAND-BY/MUTE turns off and
the system’s last selected settings
appear on the displays.
USING THE REMOTE
CONTROL
The remote control communicates
with your system through the remote
sensor located on the front of the
system. To use the remote control,
be sure that the front end of it is
pointing with a clear path toward
SENSOR, then press the desired but-
ton(s).
To turn off the system, press POWER
again. STAND-BY/MUTE turns on.
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13-1277.fm Page 12 Wednesday, July 14, 1999 4:11 PM
Adjusting the Balance
SETTING THE SOUND
To change the sound balance be-
tween the left and right speakers, ro-
Adjusting the Volume
BALANCE
L
R
tate
(right).
toward
(left) or
To increase the system’s volume,
VOLUME
MAX
toward , or press
turn
+
VOLUME
on the remote control. To
VOLUME
, or press
decrease the volume, turn
MIN VOLUME –
on
toward
the remote control.
Using Extended Bass
(X-Bass)
To enhance the System 730’s bass
X-BASS
Bass). X-BASS appears on the left
display. To return to normal bass
sound, press it again. X-BASS dis-
appears from the display.
sound, press
(Extended
Important: To prevent hearing dam-
age, set the volume to its minimum
level before playing the radio, a CD,
or a cassette tape.
Note: To turn off the sound tempo-
MUTE
rarily, press
control. STAND-BY/MUTE flashes.
MUTE
on the remote
To resume listening, press
again. STAND-BY/MUTE turns off.
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13-1277.fm Page 13 Wednesday, July 14, 1999 4:11 PM
At all times during radio, CD, and
cassette play and/or recording, light
bars rise and fall on the system’s left
display to show the current sound
level for each of the five frequencies.
In addition, a light bar marked LEV-
EL shows the average level of all
combined frequencies.
Changing the Preset
Graphic Equalizer Settings
The sound produced by your System
730 is delivered over five different
sound frequencies — 70 Hz, 300 Hz,
1 KHz, 3.5 KHz, and 10 KHz. You
can set the balance of these frequen-
cies using your system’s three preset
graphic equalizer settings. These
settings are designed to give you the
best sound for rock, pop, and classi-
cal music.
Each time you turn it on, the System
730 automatically uses the last se-
lected graphic equalizer setting. To
change the setting, press ROCK,
POP, or CLASSIC. ROCK, POP, or
CLASSICappears on the display.
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13-1277.fm Page 14 Wednesday, July 14, 1999 4:11 PM
RADIO OPERATION
To rapidly scan for a station,
press AUTO/MANUAL, or O/
AUTO on the remote control, so
AUTO appears on the display.
Then press and hold TUNING UP
or DOWN, or TUNING s or t on
the remote control, for about 1
second. When you release it,
the tuner automatically stops at
the next strong station.
LISTENING TO THE
RADIO
1. Repeatedly press TUNER to
select the desired band. Select
AM for AM stations, or FM1 or
FM2 for FM stations. As you
press TUNER, AM, FM1 or FM2
and the last selected station
appear on the display.
To resume manual tuning, press
AUTO/MANUAL, or O/AUTO on
the remote control, so AUTOdis-
appears.
Note: You can tune to any FM
station when either FM1or FM2
is selected, and you can also
store and recall stations in mem-
ory in the two FM groups (see
“Using Memory Tuning”).
Notes:
• Each time you press TUNER
or TUNING s or t, the System
730 automatically sets STE-
REO/MODE to STEREO. If the
broadcast is being received in
stereo, STEREO appears on
the display.
2. Press TUNING UP or DOWN, or
TUNING s or t on the remote con-
trol, to tune to the desired sta-
tion. As you press the button,
the frequency number changes
on the display.
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13-1277.fm Page 15 Wednesday, July 14, 1999 4:11 PM
• To improve reception for weak
FM stereo stations, press
3. Press
MEMORY. MEMORY
appears on the display.
STEREO/MODE
so MONO
(monaural) appears on the
display. The sound is no
longer in stereo, but reception
should improve. To return to
stereo sound, press STEREO/
MODE.
• For the best FM reception,
fully extend the FM antenna.
4. Within 3 seconds, press a num-
ber (1-8) for the memory loca-
tion where you want to store the
station. MEMORY disappears,
and P (program), the selected
memory number, and STATION
appear on the display. For
example, if you select memory
number 8, P8 STATION
appears.
• The AM antenna is built-in. To
improve AM reception, move
or re-position the System 730.
3. Set VOLUME (or press VOLUME
+
or – on the remote control) to
the desired level, and select the
desired X-BASS and graphic
equalizer settings.
USING MEMORY
TUNING
You can store and easily recall up to
24 of your favorite AM and FM radio
stations (8 AM and 16 FM) in the
System 730’s memory.
: If MEMORY disappears
Note
before you press the desired
memory number, repeat Steps 3
and 4 then try again.
Storing a Station in Memory
5. Repeat Steps 2-4 to store up to
eight stations each in AM, FM1,
and FM2.
1. Press TUNER to select AM, FM1,
or FM2.
2. Press TUNING UP or DOWN, or
TUNING s or t on the remote con-
trol, to tune to the desired sta-
tion.
:
Notes
• You cannot clear a station from
memory, but you can store a
new one in its place.
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13-1277.fm Page 16 Wednesday, July 14, 1999 4:11 PM
• When power is disconnected or
interrupted for 50 hours or more,
the System 730 loses all of its
memory settings.
Recalling a Stored Station
1. Press TUNER to select the
desired band.
2. Press the desired station’s
memory number (1-8). P, the
memory number, STATION,
and the frequency number
appear on the display.
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13-1277.fm Page 17 Wednesday, July 14, 1999 4:11 PM
CD CHANGER OPERATION
The System 730 lets you load up to
seven CDs at once and gives you
many options to control the way it
plays them.
3. Press OPEN/LOAD. The CD
changer drawer opens.
Note: You can play a 3-inch CD in
your System 730, but you must load
it in CD tray position 1 (see “Loading
and Playing a CD”).
4. Carefully place a CD in the
drawer with the label facing up.
LOADING AND
PLAYING A CD
1. Press CD. CD, the last selected
CD number, and TRACK 1
appear on the display.
5. To load more CDs (up to seven),
simply press the next DISC NUM-
BER. The CD drawer closes, the
changer moves to the selected
position, then the drawer auto-
matically opens again so you
can load the next CD.
2. To select a CD tray position (1-
7), press the corresponding disc
number, or press DISC then the
desired disc number on the
remote control. CD, the selected
position number, and TRACK 1
appear on the display.
After you have loaded all the
CDs, press OPEN/LOAD again.
The
drawer
automatically
closes.
Note:
A
box
(
)
appears
around the disc number on the
display when the position is full.
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13-1277.fm Page 18 Wednesday, July 14, 1999 4:11 PM
6. To play the last CD you loaded,
7. Set VOLUME (or press VOLUME
+
press PLAY
, or CD
on the
or – on the remote control) to
remote control.
the desired level, and select the
desired X-BASS and graphic
equalizer settings.
8. The System 730 automatically
stops play at the end of the high-
est numbered CD loaded in the
system. For example, if you
have four CDs loaded, play
stops automatically at the end of
the fourth CD.
To play a different CD, press the
desired disc number, or press
DISC then the disc number on
the remote control, to select the
To stop the CD changer at any
time during play, press STOP
CD. Then press PLAY
press CD on the remote con-
trol to begin play.
, or
, or press CD
on the
remote control.
and the CD’s
elapsed play time disappear
from the display.
appears, then the selected
CD begins to play, and its
elapsed play time appears.
:
Notes
• To skip over, search, or repeat
tracks, see “Special CD
Changer Features.”
• To briefly stop play, press
PAUSE
tem.
on the main sys-
appears on the dis-
: To display the total playing
Note
time of a selected CD, press TIME on
the remote control before or during
play. The total playing time appears
on the display for about 5 seconds.
play.
To resume play, press PLAY
or CD on the remote control.
disappears.
,
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13-1277.fm Page 19 Wednesday, July 14, 1999 4:11 PM
control. The CD rapidly advances
and you hear the music at a high
speed and low volume.
SPECIAL CD CHANGER
FEATURES
Release the button to resume normal
play.
Automatic Search Music
System (ASMS)
The automatic search music system
lets you skip forward or backward
through the tracks on all loaded CDs.
Random Play
The System 730 lets you set the CD
changer to play the tracks on all CDs
in random order.
1. With at least one CD in the CD
changer and no CD playing,
RANDOM
tem. RANDOM.,
press
on the main sys-
, and the first
randomly selected disc and
track number appear on the dis-
play. Then the track begins to
play, and its elapsed play time
appears.
• To skip to the beginning of the
next track, press and release
>>
>>
CD
, or
control.
on the remote
• To return to the beginning of the
current track, press and release
<<
<<
CD
, or
control.
on the remote
• To skip backward or forward
through additional tracks,
repeatedly press and release
<< >> << >>
CD
or
, or
or
on
Notes:
the remote control, until the
desired track number appears
on the display.
• To skip to the next randomly
RAN-
selected track, press
DOM
again.
• You can search forward or
backward on the current disc
or repeat all tracks during ran-
dom play.
Audible Search
To search backward or forward dur-
<<
ing play, press and hold down
or
>>
<<
>>
CD
, or
or
on the remote
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13-1277.fm Page 20 Wednesday, July 14, 1999 4:11 PM
2. To briefly stop random play,
press PAUSE
system. appears on the dis-
play. To resume play, press
on the main
PLAY
, or CD
on the
remote control.
disappears.
3. The System 730 automatically
stops random play after it has
played all tracks on all loaded
CDs. To stop the CD changer at
any time during random play,
To continuously repeat an entire pro-
grammed sequence, first program
the tracks you want to play (see “Pro-
grammed Play”), then press REPEAT
before or during play so REPEATap-
pears on the display along with
MEMORY.
press STOP
, or CD
on
the remote control. RANDOM,
, and the CD’s elapsed play
time disappear from the display.
To cancel repeat play before, during,
or after play, press REPEAT so RE-
PEATdisappears from the display. If
repeat is cancelled during play, the
CD changer resumes normal play.
Cue
Repeat Play
To select a track before you begin
play or after pressing PAUSE
on
or
The System 730 lets you continuous-
ly repeat all tracks on all loaded CDs
or an entire programmed sequence.
<<
>>
the main system, press
<< >>
or
CD
or
on the remote control,
until the desired track number ap-
pears on the display. Then press
To continuously repeat the tracks on
all loaded CDs, press REPEAT before
or during play so REPEAT appears
on the display.
PLAY
, or CD
on the remote
control, to play the track.
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13-1277.fm Page 21 Wednesday, July 14, 1999 4:11 PM
PROGRAMMED PLAY
You can program the CD changer to
play up to 50 tracks in any order you
choose, and you can program the
same CD and/or track to play more
than once.
Storing/Playing a
Programmed Sequence
3. To store the selected track,
MEMORY
1. With at least one CD in the CD
changer and no CD playing,
select a CD by pressing the cor-
responding disc number (1-7), or
press
on the remote
control. MEMORY flashes for
about 4 seconds, then lights
steadily, and P-01(the program
position number) appears for
about 10 seconds.
DISC
press
then the desired
number on the remote control.
CD, the selected CD number,
and TRACK 1 appear on the
display.
Note: If you pressed the desired
track number on the remote con-
trol, the track number flashes on
the display and you must press
2. Track 1 of the current CD is
automatically selected. To select
<<
a different track, press
or
CD
>>
on the main system, or
MEMORY
within 4 seconds. If the
track number stops flashing
MEMORY
<<
>>
or
or the desired track
number on the remote control.
As you press it, the track num-
ber changes on the display.
before you press
repeat Step 2 then try again.
,
4. Repeat Steps 1-4 to store up to
50 tracks.
Note: If you try to store more
than 50 tracks, FULL appears
on the display.
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5. Press PLAY
remote control, to play the pro-
grammed sequence. , P-01,
, or CD
on the
:
Notes
• Press PLAY
remote control, to play the pro-
grammed sequence again.
, or CD
on the
and the first programmed CD
and track number appear. Then
the CD’s elapsed play time
appears, and the first track
begins to play.
• To replace a programmed track,
press RECALL on the remote
control until the memory number
of the track you want to replace
appears on the display. Then
repeat Steps 1-3 to store a new
track.
• To resume regular or random
play after storing a programmed
sequence, you must first erase
the programmed sequence (see
“Erasing a Programmed Se-
quence”).
:
To briefly stop pro-
Note
grammed play, press PAUSE
on the main system.
appears
on the display. To resume pro-
grammed play, press PLAY
or CD on the remote control.
disappears.
,
Reviewing a Programmed
Sequence
To review a programmed sequence,
while play is stopped, repeatedly
press RECALL on the remote control.
As you press it, the CD, track num-
ber, and memory position of each
stored track appears.
6. Programmed play automatically
stops at the end of the last pro-
grammed track. To stop the CD
changer at any time during pro-
grammed play, press and
release STOP
, or press CD
on the remote control.
and the CD’s elapsed play time
disappear from the display.
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Erasing a Programmed
Sequence
CD AND CD CHANGER
CARE TIPS
To erase an entire programmed se-
quence, while play is stopped, press
Although a CD is very durable, you
should handle it with care. We rec-
ommend the following precautions.
and hold STOP
, or CD
on the
remote control, for at least 2 sec-
onds. MEMORY disappears from the
display.
• Keep the CD in its protective
case or sleeve when you are not
playing it.
• Keep the CD clean. Your local
Radio Shack store sells a suit-
able CD cleaner kit.
• Keep the CD dry. A drop of
moisture can act as a lens and
affect the laser beam’s focus. If
it gets wet, wipe the CD with a
soft, dry cloth before playing it.
Notes:
• If you remove a CD, the CD
changer automatically skips that
disc’s tracks in the sequence.
• Do not write on either side of a
CD, especially the non-label
side.
• When power is disconnected or
interrupted for 50 hours or more,
any programmed sequence is
entirely erased.
• Handle the CD by its edges to
avoid fingerprints and surface
scratches, which can prevent
the laser from accurately read-
ing the CD. If the CD gets
scratched, use Scratch ‘n’ Fix
(Radio Shack Cat. No. 42-127)
to keep the CD from skipping
during play.
• Do not store CDs in high-tem-
perature, high-humidity loca-
tions.
23
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If the System 730 is subjected to a
sudden shock or jolt during play, the
CD’s rotation speed might suddenly
change, and the music might be
briefly interrupted. This is not a mal-
function.
Cautions:
• To avoid damaging the CD
changer, do not place anything
but a CD in the CD drawer.
• Remove any loaded CDs from
the CD changer before moving
the System 730 to prevent dam-
aging the CDs.
• Moving the CD changer sud-
denly from a cold place to a
warmer one can cause moisture
to form on the pickup lens and
disrupt operation. If this hap-
pens, wait about 2 hours before
playing a CD.
24
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CASSETTE DECK OPERATION
The System 730 has a dual cassette
deck system which lets you automat-
ically play two cassette tapes con-
secutively, record from the CD
changer, record one cassette tape
onto another, and more.
• Before recording, be sure the
cassette tape’s erase-protection
tabs are in place. See “Prevent-
ing Accidental Erasure.”
LOADING A TAPE
Notes:
1. Press STOP/EJECT on the
desired tape deck (TAPE 1 or
TAPE 2) to open the cassette
compartment door.
• The remote control does not
operate the System 730’s cas-
sette deck.
• The System 730’s Automatic
Level Control (ALC) feature
automatically adjusts the record-
ing level. The settings of VOL-
UME, X-BASS, and ROCK, POP,
or CLASSIC have no effect on
the recording.
• Tape quality greatly affects the
quality of the recording. We rec-
ommend regular length (60- or
90-minute) cassette tapes. We
do not recommend long-play
cassette tapes, such as C-120s,
because they are thin and can
easily tangle in the cassette
Note: TAPE 1 only plays prere-
corded cassette tapes. TAPE 2
both plays back and records.
2. Insert the cassette tape into the
tape guides with the exposed
tape edge facing down, the side
you want to play facing you, and
the full reel to the left.
mechanism.
For
low-noise,
wide-range recordings, use nor-
mal-bias tape.
• Before you load a cassette tape
for recording, turn the cassette’s
hub with your finger or a pencil
to take up any slack and move
the tape past its leader. (Avoid
touching the tape with your fin-
gers.)
3. Close the door.
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4. The System 730 automatically
stops the tape when it reaches
the end. To stop the tape at any
time during playback, press
PLAYING A TAPE
TAPE
1. Press
. TAPE appears on
the display.
STOP/EJECT
.
PLAY
. The tape begins to
2. Press
play.
Consecutive Play
You can set the System 730 to auto-
matically play the first side of the cas-
sette tape in each deck, one after the
other.
1. Load the first cassette tape you
want to play into TAPE 1, and
the other into TAPE 2. Be sure
the side of each tape you want
to play is facing out.
Note: To briefly stop the tape
PAUSE
The button locks and the tape
during playback, press
.
PAUSE
stops. Press
again to
continue playback.
PLAY
2. Press
on TAPE 1. The
VOLUME
VOLUME
(or press
3. Set
+
tape in TAPE 1 begins to play.
–
or on the remote control) to
the desired listening level, and
PAUSE PLAY
on
TAPE 2. Both buttons lock.
3. Press
, then
X-BASS
select the desired
and
graphic equalizer settings.
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When the tape in TAPE 1
reaches the end, the tape in
TAPE 2 automatically begins to
play.
RECORDING ONTO A
CASSETTE TAPE
The System 730 lets you record onto
a cassette tape from the CD changer,
radio, another cassette tape, or from
an external microphone (not sup-
plied).
Note: To briefly stop the tape in
either deck during playback,
PAUSE
press
deck. The button locks and the
PAUSE
on the desired
tape stops. Press
to continue playback.
again
Note: You can also record from an
additional audio source (see “Re-
cording from an Additional Audio
Source”).
4. At the end of the tape in TAPE 2,
the system automatically stops
the tape. To stop playback on
either deck at any time, press
Caution: Never try to force down
STOP/EJECT
PLAY
on that deck.
RECORD
after you remove an erase-
releases.
protection tab from a cassette tape
(see “Preventing Accidental Era-
sure”). You might damage the tape
mechanism.
Notes:
• If you press
STOP/EJECT
on
TAPE 1 during consecutive play,
the tape in TAPE 2 automatically
begins to play.
Recording from a CD
• To rapidly fast-forward or rewind
a cassette tape in either deck
while the tape is stopped, press
Follow these steps to record from a
CD onto a cassette tape.
FAST-F
REWIND
or
. The button
CD
1. Press
. CD, the last selected
locks and the tape fast-forwards
or rewinds.
CD number, and TRACK 1
appear on the display.
The System 730 automatically
stops the tape when it reaches
the end. To stop the tape at any
time during fast-forwarding or
2. Load the CD(s) you want to
record into the CD changer.
STOP/EJECT
rewinding, press
.
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3. Load a blank cassette tape, or
one you want to record over, into
TAPE 2.
To briefly stop the CD while
recording, press PAUSE
on
the main system.
appears
on the display. To resume play,
press PLAY , or press CD
4. To record the tracks from all
loaded CDs in order, press the
disc number of the first CD you
want to begin recording, or
press DISC then the number on
the remote control.
on the remote control.
appears.
dis-
6. To listen to the CD during
recording, adjust VOLUME (or
+
press VOLUME
or – on the
To record only selected tracks or
change the sequence of the
tracks, you must first program
the desired sequence.
remote control) to the desired
listening level, and select the
desired X-BASS and graphic
equalizer settings.
5. To automatically start the CD
and begin recording at the same
time (synchronously), press
RECORD on TAPE 2. PLAY auto-
matically locks down with
7. The System 730 automatically
stops the tape when it reaches
the end. To stop the tape at any
time during recording, press
STOP/EJECT on TAPE 2.
RECORD, and
appears.
Then the first selected CD or
programmed track begins to
play, its elapsed play time
appears, and the tape begins
recording.
To stop the CD during or after
recording, press STOP
CD changer, or press CD
the remote control.
on the
on
: The System 730 automati-
Note
cally stops the CD changer
when it reaches the end of all
loaded CDs or the programmed
sequence. If the tape is still
recording, press STOP/EJECT on
TAPE 2 to stop the tape.
: To briefly stop the tape
Note
while recording, press PAUSE on
TAPE 2. The button locks and
the tape stops. Press PAUSE
again to resume recording.
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5. Press PLAY on TAPE 1. The
tape in TAPE 1 begins to play,
PAUSE automatically releases
on TAPE 2, and TAPE 2 begins
to record.
Copying Cassette Tapes
The System 730 lets you dub (copy)
one cassette tape to another, one
side at a time, using its dual cassette
decks (TAPE 1 and TAPE 2).
6. To listen to the tape in TAPE 1
1. Load a blank cassette tape, or
one you want to record over, into
TAPE 2.
during recording, adjust VOL-
+
UME (or press VOLUME or – on
the remote control) to the
desired listening level, and
select the desired X-BASS and
graphic equalizer settings.
2. Load the tape you want to
record from into TAPE 1.
3. Press PAUSE, then RECORD on
TAPE 2. PLAY automatically
locks down with RECORD and
PAUSE.
HI-SPEED dur-
Note: If you use
ing recording, you hear the
sound at one and a half times
the normal speed.
7. To briefly stop the tape in either
deck while recording, press
PAUSE on that deck. The button
locks and the tape stops. Press
PAUSE again to resume record-
ing.
4. To record at one and a half times
the normal speed, press HI-
SPEED. HI-SPEEDappears on
the display. To set it back to nor-
mal speed, press HI-SPEED
again. HI-SPEEDdisappears.
8. The System 730 automatically
stops the tape in each deck
when the tape reaches the end
of the side.
To stop the tape in either deck at
any time during recording, press
STOP/EJECT on that deck.
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Notes:
STOP/EJECT
• If you press
on
PLAY
TAPE 1,
releases on
that deck, but recording on
TAPE 2 continues.
STOP/EJECT
PLAY
• If you press
on
RECORD
and
TAPE 2,
Note: To briefly stop the tape
PAUSE
release, and recording stops.
while recording, press
TAPE 2. The button locks and
PAUSE
on
the tape stops. Press
again to resume recording.
Recording from the Radio
The System 730 lets you record onto
a cassette tape from any AM or FM
radio station. You can also set it to
automatically turn on at a preset time
and begin recording from the radio.
5. To listen to the radio during
VOLUME
recording, adjust
(or
+
VOLUME
–
press
or
on the
remote control) to the desired
listening level, and select the
X-BASS
desired
equalizer settings.
and graphic
TUNER
1. Repeatedly press
to
select the desired band, then
select the desired station.
6. The System 730 automatically
stops the tape when it reaches
the end. To stop the tape at any
time during recording, press
2. Load a blank cassette tape, or
one you want to record over, into
TAPE 2.
STOP/EJECT
and
recording stops.
on TAPE 2.
PLAY
PAUSE
RECORD
3. Press
TAPE 2.
locks down with
PAUSE
then
on
automatically
RECORD
RECORD
release, and
PLAY
and
.
To set your System 730 to automati-
cally begin recording from the radio
at a preset time, first set and turn on
the wake-up timer (see “Setting a
Wake Time”).
Then follow Steps 1-3 above, press
POWER
release
to turn off the system, then
PAUSE
on TAPE 2. At the
preset wake up time, your system au-
tomatically turns itself on and imme-
PAUSE
begin recording.
4. Release
on TAPE 2 to
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diately begins recording from the radio.
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Recording from an External
Microphone
The System 730 lets you record onto
a cassette tape using an external mi-
1
crophone with a /8-inch plug (not
supplied), such as Radio Shack Cat.
No. 33-2001.
5. Press PAUSE on TAPE 2 to
begin recording. Any sound cap-
tured by the external micro-
phone is recorded on the tape.
Note: The system also lets you hear
sound from an external microphone
combined with sound from the radio,
a prerecorded CD or cassette, or an
additional audio source (see “Using
an External Microphone”).
Notes:
• Follow any instructions pro-
vided with the external micro-
phone for placement of the
microphone to achieve the
best recording results.
1
1. Plug the microphone’s /8-inch
plug into MIC on the front of the
System 730.
• To briefly stop the tape while
recording, press PAUSE on
TAPE 2. The button locks and
the tape stops. Press PAUSE
again to resume recording.
6. To increase the volume of the
microphone’s sound input, turn
MIXING
toward
MAX.
To
2. Press TAPE. TAPE appears on
decrease it, turn it toward MIN.
the display.
3. Load a blank cassette tape, or
one you want to record over, into
TAPE 2.
4. Press PAUSE then RECORD on
TAPE 2. PLAY automatically
locks down with RECORD and
PAUSE.
7. To hear the sound being
recorded, adjust VOLUME, or
+
press VOLUME
or – on the
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remote control, to the desired level.
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8. The System 730 automatically
stops the tape when it reaches
the end. To stop the tape at any
time during recording, press
STOP/EJECT
on TAPE 2.
RECORD and PLAY release, and
recording stops.
If you break off a tab and decide later
that you want to record on that side of
the tape, carefully cover only the tab
hole for that side of the cassette with
a piece of adhesive tape.
TAPE TIPS
Erasing a Cassette Tape
To record over a cassette tape, sim-
ply record over the previous record-
ing.
: Removing the erase-pro-
Caution
tection tab does not prevent a bulk
eraser from erasing a cassette tape.
: The tape you are recording
Note
over must be a normal bias-type
tape.
Restoring Tape Tension and
Sound Quality
To quickly erase a tape, you might
prefer to use a bulk tape eraser, such
as Radio Shack Cat. No. 44-232.
After you play a cassette tape sever-
al times, the tape might become
tightly wound on the reels. This can
cause playback sound quality to de-
teriorate.
Preventing Accidental
Erasure
To restore the sound quality, fast-for-
ward the tape from the beginning to
the end of one side, then completely
rewind it. Then loosen the tape reels
by gently tapping each side of the
cassette’s outer shell on a flat sur-
face.
Cassette tapes have two erase-pro-
tection tabs — one for each side.
To protect a recording from being ac-
cidentally recorded over or erased,
break off that side’s plastic tab with a
screwdriver.
: Be careful not to damage
Caution
the cassette when tapping it. Do not
touch the exposed tape or allow any
sharp objects near the cassette.
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USING AN ADDITIONAL AUDIO SOURCE
If you connected an additional audio
source, such as a TV, VCR, turnta-
ble, or an external CD changer or
RECORDING FROM AN
ADDITIONAL AUDIO
SOURCE
cassette deck, you can use your Sys-
tem 730 to listen to or record from
To record onto a cassette tape from
an additional audio source, follow the
steps in “Recording from the Radio,”
with the following changes:
that source.
LISTENING TO AN
ADDITIONAL AUDIO
SOURCE
• In Step 1, press VIDEO AUX, or
VIDEO on the remote control, so
VIDEOappears on the display.
1. Set VOLUME (or press VOLUME
– on the remote control), to its
lowest setting, and be sure that
the audio source’s volume con-
trol (if any) is also set to its low-
est level.
• Begin play on the additional
audio source as instructed in its
owner’s manual after you
release PAUSE to begin record-
ing.
2. Press VIDEO AUX, or VIDEO on
the remote control. VIDEO
appears on the display.
3. Operate the audio source
according to its owner’s manual.
4. Set VOLUME (or press VOLUME
+
or – on the remote control) and
the audio source’s volume con-
trol (if any) to the desired listen-
ing level.
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SPECIAL FEATURES
3. To turn on the wake-up timer,
within 5 seconds, press STE-
REO/MODE. WAKE-UP lights
steadily on the display.
SETTING A WAKE UP
TIME
Like an alarm clock, you can set your
system to automatically turn itself on
and play the last selected radio sta-
tion, CD, or cassette tape.
1. Press DISPLAY three times.
TIME and the last-set wake-up
time appear, and WAKE-UP
flashes on the display.
Note: If TIME disappears
before you press STEREO/
MODE, repeat Steps 1 and 3
again.
4. Select the desired radio station,
CD, or cassette tape you want
the System 730 to play when it
turns itself on.
2. Within 5 seconds, press HOUR
to change the hour setting or
MINUTE to change the minute
setting.
Note: If you selected a cassette
tape, be sure to press PLAY and
PAUSE on the appropriate deck
(TAPE 1 or 2).
5. Set VOLUME (or press VOLUME
+
or – on the remote control) to
the desired listening level, and
select the desired X-BASS and
graphic equalizer settings.
6. Press POWER to turn off the
System 730. STAND-BY/MUTE
turns on, then the current time
and WAKE-UP appear dimly lit
on the display.
Notes:
• When changing the hour, be
sure to set it to the correct AM
or PM hour.
• If TIME disappears before
you finish setting the hour and
minute, start again from Step
1.
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Notes:
PAUSE
• If you selected a cassette tape, be sure to release
deck after you turn off the system.
on the selected
• To turn off the wake-up timer, repeat Steps 1 and 3. WAKE-UPflashes then
disappears from the display to indicate that the timer is turned off.
• Until you turn off the wake-up timer, the System 730 automatically turns
itself on every day at the preset wake-up time and plays the last selected
radio station or CD. If no CD is loaded in the last selected CD position, the
system automatically selects the next CD.
SETTING THE SLEEP TIMER
You can set the System 730 to automatically turn itself off up to 90 minutes from
the time you set it.
DISPLAY
1. Press
play.
twice. TIMEand 00appear, and SLEEPflashes on the dis-
STEREO/MODE
2. Within 5 seconds, repeatedly press
time is displayed.
until the desired sleep
STEREO/MODE
The first time you press
, SLEEP lights steadily and 90
appears, indicating the System 730 is set to turn itself off in 90 minutes.
37
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Each additional time you press STEREO/MODE, the sleep time decreases by
10 minutes.
: If TIME disappears from
Note
the display before you finish set-
ting the sleep time, repeat Steps
1-2 again.
3. The System 730 remains on for
the length of sleep time
selected, then automatically
turns itself off.
To turn off the system before the
sleep time has elapsed on the
display, press POWER.
To turn off the sleep timer and
continue using the System 730,
repeat Steps 1 and 2 and
choose a sleep time of 00 in
Step 2.
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USING AN EXTERNAL MICROPHONE
The System 730 lets you connect and hear sound from an external microphone
combined with sound from the radio, a prerecorded CD or cassette, or an addi-
tional audio source.
1
MIC
1. Plug the microphone’s /8-inch plug into
on the front of the System 730.
2. Start play on the audio source you want to accompany the microphone.
+
VOLUME
VOLUME
–
3. Set
(or press
or on the remote control) to the desired
X-BASS
level, and select the desired
and graphic equalizer settings.
4. Speak or sing into the microphone to hear your voice combined with the
sound from the selected audio source.
39
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5. To increase the volume of the microphone’s sound input, turn MIXING
toward MAX. To decrease it, turn it toward MIN.
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MAINTENANCE
Your Optimus System 730 Mini Ste-
reo Component System is an exam-
ple of superior design and
craftsmanship. The following sug-
parts.
Wipe the System 730
with a damp cloth oc-
casionally to keep it
looking new. Do not
use harsh chemicals,
cleaning solvents, or
strong detergents to
clean the System 730.
gestions will help you care for your
CLEANER
System 730 so you can enjoy it for
years.
Keep the System 730
dry. If it gets wet, wipe
it dry immediately.
Liquids might contain
minerals that can cor-
rode the electronic cir-
cuits.
Modifying or tampering with the Sys-
tem 730’s internal components can
cause a malfunction, might invalidate
its warranty, and void your FCC au-
thorization to use it. If your System
730 s not performing as it should,
take it to your local Radio Shack
store for assistance.
Handle the System
730 gently and care-
fully. Dropping it can
damage circuit boards
and cases and can
cause the System 730
to work improperly.
Use and store the
System 730 only in
normal temperature
environments. Tem-
perature
can shorten the life of
electronic devices
extremes
and distort or melt
plastic parts.
Keep the System 730
away from dust and
dirt, which can cause
premature wear of
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THE FCC WANTS YOU
TO KNOW
CLEANING THE TAPE-
HANDLING PARTS
This stereo system complies with the
limits for a Class B digital device as
specified in Part 15 of FCC Rules.
These limits provide reasonable pro-
tection against radio and TV interfer-
ence in a residential area. However,
your stereo system might cause TV
or radio interference even when it is
operating properly. To eliminate in-
terference, you can try one or more
of the following corrective measures:
Dirt, dust or particles of a cassette
tape’s coating can accumulate on the
cassette deck tape heads, and other
parts that the tape touches. This can
greatly reduce the performance of
the cassette decks. Use the following
cleaning procedure for each deck af-
ter every 20 hours of tape player op-
eration.
1. Be sure the system is off, then
disconnect power.
• Reorient or relocate the receiv-
ing antenna
2. Open the cassette compartment
door on each deck.
• Increase the distance between
the stereo system and the radio
or TV
PLAY
3. Press
to expose the tape-
handling parts.
• Use outlets on different electrical
circuits for the stereo system
and the radio or TV
4. Use a cotton swab dipped in
denatured alcohol or tape head
cleaning solution to clean each
deck’s record or play head,
pinch roller, capstan and erase
head.
Consult your local Radio Shack store
if the problem still exists.
You must use shielded interface ca-
bles with this stereo system.
5. When you finish cleaning, close
each deck’s cassette compart-
ment door and reconnect power.
Your local Radio Shack store sells a
complete line of cassette deck clean-
ing supplies.
42
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13-1277.fm Page 43 Wednesday, July 14, 1999 4:11 PM
SPECIFICATIONS
Cassette Deck
Tape Speed 17/8 ips
Wow and Flutter 0.35% WRMS
Frequency Response (at -3 dB) 100
Hz–8 kHz
Recording System AC Bias
Erase System AC
CD Changer
Number of Programmable Tracks
50 Tracks
Frequency Response (at – 3 dB) 50
Hz–20 kHz
Dynamic Range 82 dB
Signal-to-Noise (JIS-A) 60 dB
Harmonic Distortion (at 1 kHz) .1%
Separation (at 1 kHz) 40 dB
Sampling Frequency 44.1 kHz
Quantization Number . 16-Bit Linear/
Channel
Oversampling 4 Times
Pick-Up System 3 Beam
Optical Source
Laser
Semiconductor
Wavelength 760–820 nm
43
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13-1277.fm Page 44 Wednesday, July 14, 1999 4:11 PM
General
Power Supply120V AC 60 Hz, 90W
Tuning RangeAM: 530–1710 kHz
FM: 88–108 MHz
Speaker Size 51/4 Inches
Impedance of Microphone Jack 600
Ω
Impedance of (Stereo) Headphones
Jack 16–32 Ω
Power Output 10 Watts per Channel
Remote Control Power 2 AAA Bat-
teries (Cat. No. 23-555)
Dimensions of Unit 1315/16 x 1015/16 x
111/16 Inches (HWD)
(354 × 278 × 281 mm)
Dimensions of Speakers . 1315/16 x
713/16 x 69/16 Inches (HWD)
(354 × 198 × 167 mm)
Weight 241/4 lbs (11 Kg)
Included Accessories.Remote Con-
trol
FM Antenna (300 Ω)
Specifications are typical; individual
units might vary. Specifications are
subject to change and improvement
without notice.
44
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13-1277.fm Page 45 Wednesday, July 14, 1999 4:11 PM
NOTES
45
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13-1277.fm Page 46 Wednesday, July 14, 1999 4:11 PM
46
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13-1277.fm Page 47 Wednesday, July 14, 1999 4:11 PM
47
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13-1277.fm Page 48 Wednesday, July 14, 1999 4:11 PM
RADIO SHACK LIMITED WARRANTY
This product is warranted against defects for 90 days from date of pur-
chase from Radio Shack company-owned stores and authorized Radio
Shack franchisees and dealers. Within this period, we will repair it with-
bring your Radio Shack sales
out charge for parts and labor. Simply
slip
as proof of purchase date to any Radio Shack store. Warranty does
not cover transportation costs. Nor does it cover a product subjected to
misuse or accidental damage.
EXCEPT AS PROVIDED HEREIN, RADIO SHACK MAKES NO
EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES ARE LIM-
ITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED
WARRANTIES CONTAINED HEREIN. Some states do not permit limita-
tion or exclusion of implied warranties; therefore, the aforesaid limita-
tion(s) or exclusion(s) may not apply to the purchaser.
This warranty gives you specific legal rights and you may also have other rights which vary
from state to state.
We Service What We Sell
9/94
RADIO SHACK
A Division of Tandy Corporation
Fort Worth, Texas 76102
6A5
Printed in Hong Kong
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