Installing the Battery ............................................ 2
Low Battery Indications ................................ 3
Setting The Channel ........................................... 3
Using More Than One Wireless System ...... 4
Operation ..................................... ....................... 6
Using the Standby Setting ........................... 7
Specifications ...................................................... 7
3-Channel 170MHz Wireless
Microphone
B
32-1230
Your RadioShack 3-Channel 170MHz Wireless
Microphone is designed for use as a public address
microphone or for professional music performances.
• The system’s long range (150 feet), high fidelity
frequency response (100 – 10,000 Hz), wide dynamic
range (90 dB), and low distortion (1.0%) let you use it
anywhere you would use a conventional microphone.
• The microphone’s low battery indicator and threeposition switch (
minute battery failures.
• The selectable channel switch allows you to use more
than one wireless microphone system in the same
location.
This professional quality multi-channel system is designed
for both single and multiple performer applications. Up to
three different people can perform at the same time,
without microphone interference. Each performer uses one
microphone and one receiver. Since the microphones and
receivers are available separately, you can mix and match
OWNER’S MANUAL — Please read before using this equipment.
A
ON/STBY/OFF
) help you avoid last
© 2001 RadioShack Corporation.
All Rights Reserved.
RadioShack and RadioShack.com
are trademarks used
by RadioShack Corporation.
the mics and receivers that have the features that best fit
your needs.
This device complies with Part 90 of the
are a total of eight frequencies available for this
microphone. Each microphone has channels that can
operate on three of these frequencies. You must get a
license for each frequency you plan to use before you use
the microphone. Licensing eligibility depends on how you
will use the microphone. Contact your nearest FCC office to
get the necessary application.
FCC Rules
. There
INSTALLING THE BATTERY
The microphone’s transmitter is powered by a single 9-volt
battery. For the longest battery life, we recommend an
alkaline battery.
Caution:
recommended type.
1. While holding the body of the microphone, carefully
2. Insert the battery into the battery compartment on top
Use only fresh batteries of the required size and
unscrew the ball grill assembly far enough to remove
the battery door.
of the ribbon, being sure the + and – terminals are
connected correctly as shown on the inside of the
battery compartment.
2
3. Replace the battery compartment cover and tighten
the ball grill assembly.
Low Battery Indications
The microphone’s BATT LOW indicator tells you the
condition of the battery.
If the indicator flickers when you move the microphone’s
OFF
switch from
If the indicator lights when you are usi ng the microphone (in
ON
or
STBY
the
should replace the battery.
STBY
to
position), battery power is low and you
, the battery is good.
Warning:
Do not burn or bury them.
Caution:
several weeks, remove the battery. Batteries can leak
chemicals that can destroy electronic parts.
Dispose of old batteries promptly and properly.
If you do not plan to use the microphone for
SETTING THE CHANNEL
Your transmitter can transmit on three different channels so
you can use more than one system at the same time
without interference. If you inten d to operate more t han one
system, you must set a different channel for each
transmitter and receiver system. Each channel frequency is
identified by a different letter. If your transmitter is set to
3
channel B, your receiver must also be set to channel B. Do
not operate two systems in the same location on the same
channel or on adjacent channels.
Notes:
• System microphones are sold in three channel
combinations:
A E H, B D G, or C F H
• If you are using only one sy stem, you do not have to
change the transmitter channel. Instead, set the
receiver channel to match the transmitter channel.
Using More Than One Wireless System
If you intend to use more than two wireless microphone
systems in the same location, follow the recommended
channel combinations listed for best performance.
Combinations Combinations
1: C E H 5: B D H
2: A C F 6: C F H
3: A D F 7: B E G
4: B D G 8: B E H
Important:
Always use the
STBY
setting on your
transmitter to mute a microphone. Using the
4
STBY
setting
minimizes interference when you use more than one
wireless system.
To set the transmitter channel, do the following.
Battery
Compartment
1. While holding the body of the microphone, carefully
unscrew and remove the tapered lower section of the
microphone.
Caution:
Static electricity can damage your
microphone. To avoid possible damage, you should
discharge any static electricity from your body by
touching a faucet or other grounded metal object
before you set the transmitter channel.
5
2. Set the transmitter switch to the desired channel. Do
not handle the printed circuit board or remove the
protective shield.
3. Replace the lower section of the microphone body.
OPERATION
1. Fully extend the receiver’s antenna.
2. Turn on your amplifier, tape recorder, mixing board,
and other necessary components of your audio
system. Set the volume control (or input level controls)
to moderate settings.
3. Set the receiver’s volume control to its minimum
setting.
4. Press the receiver’s power button to the on position.
The green power indicator lights.
5. Set the receiver channel switch to the same channel
as the transmitter.
6. Set the microphone’s
receiver’s red READY indicator lights.
7. Begin talking into the microphone and adjust the
receiver’s volume control to the desired level.
ON/STBY/OFF
6
switch to ON. The
Note:
Experiment with the receiver’s volume setting and
the settings of other components in your audio system to
obtain the best results.
Using the Standby Setting
The microphone’s
STBY
setting lets you turn off the
microphone without turning off the microphone’s
transmitter.
If you move the switch from
or
STBY
to
OFF
while your
ON
amplifier is on, there is a loud pop. There is no pop when
you move the switch from
STBY
to ON, or from ON to
To conserve battery power, be sure to set the switch to
STBY
OFF
when you finish using the microphone.
SPECIFICATIONS
S
ensitivity................................................. .....100 dB SPL @ ± 7 kHz FM
Frequency Response....................................................100 – 10,000 Hz
RF Output Power ............................................................... 50 mW (Max)
Current Consumption ....................................................30 mA (Average)
Battery Life (Alkaline) ..................................................8 Hours (Average)
Dimensions (Diameter × Length) ..................... ..........2
Operating Frequencies
Channel........................................................................Frequency (MHz)
A.............................. ....................................................................169.445
B.............................. ....................................................................169.505
C............................................................................. .....................170.245
D............................................................................. .....................170.305
7
3
/8 × 911/16 Inches
(61 × 246 mm)
.
E..................................................................................................171.045
F..................................................................................................171.105
G .................................................................................................171.845
H..................................................................................................171.905
Limited Ninety-Day Warranty
This product is warranted by RadioShack agai nst manufacturing defects in material and
workmanship under normal use for ninety (90) da ys from the date of purchase from RadioShack company-owned stores and authorized Radi oShack franchisees and dealers.
EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES
AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT
AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY
LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR
PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS
WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM
INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR
ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF
RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some states do not allow limitations on how long an i mplied warranty lasts o r the exclusion or limitation of incidental or consequential da mages, so the abo ve limitatio ns or exclusions may not apply to you.
In the event of a product defect during the war ranty period, ta ke the pro duct and the RadioShack sales receipt as proof of purc hase date to any Rad ioShack store. Radio Shack
will, at its option, unless otherwise provided by law: (a) correct the defect by product repair
without charge for parts and labor; (b) replace the product wi th one of the s ame or si mil ar
design; or (c) refund the purchase price. All replaced parts and products, and products on
which a refund is made, become the proper ty of Rad ioShac k. New or rec ondi tio ned parts
and products may be used in the performance of warranty service. Repaired or replaced
parts and products are warranted for the remainder of the origina l warranty period. You
will be charged for repair or replacement of the product made after the ex piration of the
warranty period.
This warranty does not cover: (a) damage or fai lure caused by or attributabl e to acts of
God, abuse, accident, misuse, improper or abnorma l usage, fai lure to follow in structio ns,
improper installation or maintenance, alteration, lightning or other incidence of excess
voltage or current; (b) any repairs othe r than th ose pr ovided by a RadioShack Authorized
Service Facility; (c) consumables such a s fuses or batteries; (d) cosmetic damage; (e)
transportation, shipping or insuran ce costs; or (f) costs of product re moval, installation,
set-up service adjustment or reinstallation.
This warranty gives you specific legal rig hts, and you may also have other right s which
vary from state to state.
RadioShack Customer Relations, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102
12/99
09A01 AO0075AAA1
32-1230A Printed in China
B
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