Optimus MICRO-39 User Manual
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Cat. No. 14-1167
OWNER’S MANUAL
Please read before using this equipment.
Micro-39
Microcassette Recorder
with VOX
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FEATURES
Your Optimus Micro-39 Microcassette Recorder is ideal for quick note-taking. The recorder’s
handstrap and its ultra-small size makes it easy
to slip into a pocket, briefcase, or purse. You
can use it at school, at business conferences,
for dictation in the office, or anywhere you are
on the go! You can record manually or set the
recorder so sound activates recording.
Your recorder includes these features:
Voice-Activated Recording (VOX)
— lets you
set the Micro-39 so it records when it picks up
sound and stops a few seconds after the sound
stops.
Auto Stop
— stops the tape when the recorder
reaches the end of the tape during recording,
playback, fast forward, or rewind.
Tape Counter with Reset Button
— lets yo u
note specific points in a tape for l ate r r efere nc e.
Tape Speed Switch
— lets you record and
play back tape at twice the normal recording/
playback time (at a slower speed) or at normal
speed (for maximum sound quality).
©
Optimus, RadioShack, and
trademarks used by Tandy Corporation.
2
1999 Tandy Corporation.
All Rights Reserved.
Adaptaplug
are registered
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Cue/Review
— lets you hear a recording as
you fast-forward or rewind a tape so you can
quickly locate a specific passage on the tape.
Built-In Microphone and Speaker
— let you
record and play back notes anywhere.
External Microphone Jack
— lets you use an
external, wide range microphone.
Fast Play
— lets you play a tape about 30%
faster than normal so you can hear the entire
tape quickly or reach certain passages faster.
Automatic Level Control (ALC) Circuit
— au-
tomatically sets the recording level.
AC Bias Circuit
— ensures a high signal-to-
noise rati o with low distortion.
Three Power Options
— you can power the
recorder from standard AC power using an optional AC adapter, two AA batteries (not supplied), or a vehicle’s battery using an optional
DC adapter.
We recommend you write your recorder’s serial
number here. The number is inside the battery
compartment.
Serial Number: _______________________
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CONTENTS
Preparation .................................................. 5
Connecting Power .................................. 5
Using Batteries ................................... 5
Using AC Power ................................. 7
Using Vehicle Power .......................... 8
Connecting an Earphone ............. ...... .. 10
Listening Safely ................................ 11
Traffic Safety ..................................... 12
Connecting an
External Microphone ............................ 12
Operation ................................................... 13
Loading a Microcassette Tape ............. 13
Recording ............................................. 14
Voice Activated (VOX) Recording ..... 14
Manual Recording ............................. 17
Playing a Tape ..................................... 18
Using Fast Play.................................. 19
Rewinding/Fast-Forwarding .............. 19
Quick Review ....................................... 20
Using the Tape Counter ....................... 21
TAPE TIPS .................................................. 22
Storing Cassette Tapes ........................ 22
Restoring Tape Tension
and Sound Quality ............................... 22
Erasing Tapes ...................................... 23
Preventing Accidental Erasure ............. 23
Care ............................................................ 25
Cleaning the Tape Handling Parts ........ 25
Specifications ............................................ 28
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PREPARATION
CONNECTING POWER
Using Batteries
You can power your Micro-39 with two AA batteries (not supplied) or rechargeable AA Ni-Cd
batteries (not supplied). For the best performance and longest life, we recommend RadioShack alkaline batteries. (Both Ni-Cd
batteries and the correct battery charger are
available at your loc al RadioShack store.)
Warning:
not bury or burn them.
Cautions
Dispose of old batteries promptly; do
:
• Use only fresh batteries of the required
size and recommended type.
• Never leave dead or weak batteries in the
Micro-39. Batteries c an le ak chemicals that
can destroy electronic circuits.
• Do not mix old and new batteries, different
types of batteries (standard, alkaline, or
rechargeable), or rechargeable batteries of
different capacities.
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1. Slide the battery compartment cover in the
direction of the arrow.
2. Insert the batteries into the compartment
as indicated by the polarity symbols (+ and
–) marked inside.
3. Replace the cover.
If RECORD/BATT lights dimly during recording,
or it does not light at all, replace the batteries.
Note:
If you do not pl an to u se t h e Mi cr o -39 f o r
several days, or if you plan to use only AC or
vehicle battery power, remove the batteries.
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Using AC Power
You can power the Micro-39 using an 3V, 300mA AC adapter and a size H Adaptaplug
ther supplied). Both are available at your local
RadioShack store.
Cautions:
You must use a Class 2 power
source that supplies 3V DC and
!
delivers at least 300 mA. Its center tip must be set to negative and its plug
must fit the Micro-39's
an adapter that does not meet these specifications could damage the Micro-39 or the
adapter.
• Always connect the AC adapter to the
Micro-39 before you connect it to AC
power. When you finish, disconnect the
adapter from AC power before you disconnect it from the Micro-39.
Follow thes e steps to po wer the Mi cro-39 fr om
standard AC power.
DC 3V
®
(nei-
jack. Using
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1. Set the AC adapter's vol tage swi tch to 3V if
it is equipped with a voltage selection
switch.
2. Insert the AC adapter’s Adap taplug into th e
AC adapter's cord so it reads TIP–.
3. Insert the adapter’s barrel plug into
DC 3V
on the recorder.
Note:
Inserting the barrel plug into the
Micro-39's
DC 3V
jack disconnects the
internal batteries.
4. Plug the adapter’s other end into a standard AC outlet.
Using Ve hicle Battery Power
You can power the Micro-39 from a vehicle’s
12V power source (such as cigarette-lighter
socket) using a 3V, 300-mA DC adapter and a
size H Adaptaplug (neither supplied). Both are
available at your loc al RadioShack store.
8
!
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Cautions
Follow thes e steps to po wer the Mi cro-39 fr om
your vehicle's battery.
1. Set the DC adapter's voltage switch to 3V.
2. Insert the AC adapter’s Adap taplug into th e
:
You must use a power source that
supplies 3V DC and delivers at
least 300 mA. Its center tip must
be set to n egative and its plug mu st fit t he
Micro-39's
that does not meet these specifications
could damage the Micro-39 or the adapter.
• Always connect the DC adapter to the Micro-39 before you connect it to the power
source. When you finish, disconnect the
adapter from the power source before you
disconnect it from the Micro-39.
adapter's cord so it reads TIP–.
DC 3V
jack. Using an adapter
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3. Insert the barrel plug into the Micro -39's
3V
jack.
Note:
Inserting the barrel plug into the
Micro-39's
DC 3V
jack disconnects the
DC
internal batteries.
4. Plug the other end of the DC adapter into
the vehicle's cigarette-lighter socket.
CONNECTING AN EARPHONE
You can use an optional mono earphone with a
1
/8-inch (3.5- mm) plug to listen priva tely to the
Micro-39.
Notes:
• You can also use an earphone to monitor
what the recorder picks up through the
internal or an external microphone.
• While you can connect stereo earphones,
they produce sound only from the left earpiece.
• Your local RadioShack store carries a wide
selection of earphones .
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