User’s Guide
32-1258
170MHz VHF · Single-Channel Wireless Microphone System
Thank you for purchasing your 170 MHz VHF Single-Channel Wireless Microphone System from RadioShack. Your system
transmits microphone signals up to 200 feet away from the receiver allowing you to move freely. Please read this user’s guide
before installing, setting up, and using your new product. See back of page for detailed instructions.
READY
Indicator lights when
microphone signals
are within range of
the receiver.
POWER
Indicator lights
when power is on.
POWER
Turn the
receiver on/off.
POWER
Replace the
batteries when the
indicator does not
properly light.
TALK-MUTE-OFF
VOLUME
Rotate to adjust
your microphone’s
volume.
SQUELCH
Rotate to limit background noise and control transmitting
distance. To increase the transmitting distance, rotate to MIN.
Connections – Back View
LINE output jack
Shielded Audio Cable
(not included)
What’s Included
Microphone Receiver
9V AC Adapter User’s Guide
Specifications
Frequency .............. 169.505 MHz
................................ 170.245 MHz
................................ 171.905 MHz
Operating range..200 ft (Typical)
Frequency response120–13000Hz
MICROPHONE output jack (Optional)
¼” audio cable
(not included)
Microphone
RF power..........................10dBm
Sensitivity 106dB SPL at 7kHz FM
Power source .. two AA batteries
Dimensions (Diam. × H) 2.2×9.8 in
................................(55×110 mm)
Receiver
Sensitivity with S/N 20dB......1uV
S/N ratio at 1mV RF Input.. 75dB
Image rejection................... 55dB
Line output....................... 510mV
DC 9V/250mA
AC adapter
Plug into an
outlet.
Microphone output........... 10mV
Power requirement.. AC adapter
Dimensions (WHD)8.9×2.2×4.3 in
.......................... (225×55×11mm)
Specifications are subject to change
and improvement without notice. Actual
product may vary from the images found in
this document.
www.radioshack.com
Protect the environment by recycling
used electronics. Go to
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location near you.
©2008. RadioShack Corporation. All rights reserved.
RadioShack and RadioShack.com are trademarks used by RadioShack Corporation.
11A08
32-1258 A
AO0262ADA1
Printed in China
User’s Guide
Connecting the System
Set the volume to minimum
level and plug in the AC
adapter.
Using a shielded audio cable
(not included), connect the LINE
output jack on your receiver to
the input jack on your amplifier,
or other device.
Or, if the LINE jack is in use,
you can connect using the
MICROPHONE output jack on
your receiver and to the input
jack on your amplifier with a ¼”
audio cable (not included).
NOTE
You can simultaneously connect
both output jacks to an amplifier
and aother device.
LINE
Connect to the
input jack on
an amplifier or
other device.
MICROPHONE
(Optional)
Connect to an
amplifier.
Connect
the
9V AC
adapter.
Installing Batteries
Unscrew the microphone grille and
remove the battery cover. Insert two
AA batteries with correct polarities.
Then replace the battery cover and
the microphone grille.
Twist
Battery Notes:
• Dispose of old batteries promptly and
properly. Do not burn or bury batteries.
• Use only fresh batteries of the required
size and recommended type. Do not
mix batteries of different sizes or types.
• If you do not plan to use your
microphone system for a month or
more, remove the batteries. Batteries
can leak chemicals that can damage
electronic parts.
Powering the System
Press POWER on the receiver to
turn it on. The POWER indicator
lights.
Fully extend the antennae.
Set the volume on your PA
amplifier or other audio source
to a low level.
Turn power on.
Using the System
Set TALK-MUTE-OFF switch to
TALK.
Turn the amplifier or other audio
source and receiver volume up
to the desired level.
The READY indicator lights
indicating that the microphone
signals are within range of the
receiver.
NOTES
• To avoid a popping noise that may
occur when switching from OFF to
TALK, use MUTE.
• When you finish using the system,nish using the system,
turn TALK-MUTE-OFF to OFF.
• To use wireless microphones
simultaneously, verify they operate
at different frequencies. See your
microphone or receiver for its
frequency.
FCC Information
Warning: Modifying, tampering with, or adjusting this
unit, or replacing any transmitter component (crystal,
semiconductor, etc.) may result in a violation of the
FCC rules.
NOTE: This equipment has been tested and found
to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against
harmful interference in a residential installation. This
equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications.
However, there is no guarantee that interference will
not occur in a particular installation. If this equipment
does cause harmful interference to radio or television
reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit
different from that to which the receiver is needed.
• Consult your local RadioShack store or an
experienced radio/TV technician for help.
If you cannot eliminate the interference, the FCC
requires that you stop using your microphone system.
Changes or modifications not expressly approved by
RadioShack may cause interference and void the user’s
authority to operate the equipment.
Shielded cables must be used with this unit to ensure
compliance with the Class B FCC limits.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the condition that this device
may not cause harmful interference.
This wireless microphone system complies with Part
90 of the FCC Rules. There are three frequencies
available for the system. You must obtain a license for
each frequency you plan to use before operating your
system. One license can include both frequencies. Visit
http://wireless.fcc.gov/uls/, or call your local FCC office
to apply for your license. Your ability to obtain a license
will depend on how you plan to use the system.
For RF exposure
IMPORTANT NOTE: To comply with the FCC RF
exposure compliance requirements, no change to the
antenna or the device is permitted. Any change to
the antenna or the device could result in the system
exceeding the RF exposure requirements.
For devices less than 200mW ERP
SAFETY INFORMATION
Your wireless microphone contains a low power
transmitter. When the EUT is powered on, it sends
out radio frequency (RF) signals. In August 1996, the
Federal Communications Commissions (FCC) adopted
RF exposure guidelines with safety levels for wireless
devices.
IMPORTANT
To maintain compliance with the FCC’s RF exposure
guidelines, hold the transmitter and antenna at least
1 inch (2.5 centimetres) from your face and speak in a
normal voice, with the antenna pointed up and away
from the face. Ensure that the antenna is at least 1 inch
(2.5 centimetres) from your body when you are using
your wireless microphone.
Use only the supplied antenna. Unauthorized antennas,
modifications, or attachments could damage the
transmitter and may violate FCC regulations.
Limited Warranty
RadioShack warrants this product against defects in
materials and workmanship under normal use by the
original purchaser for ninety (90) days after the date of
purchase from a RadioShack-owned store or an authorized
RadioShack franchisee or dealer. RADIOSHACK MAKES
NO OTHER EXPRESS WARRANTIES.
This warranty does not cover: (a) damage or failure
caused by or attributable to abuse, misuse, failure to
follow instructions, improper installation or maintenance,
alteration, accident, Acts of God (such as floods or
lightning), or excess voltage or current; (b) improper or
incorrectly performed repairs by persons who are not a
RadioShack Authorized Service Facility; (c) consumables
such as fuses or batteries; (d) ordinary wear and tear or
cosmetic damage; (e) transportation, shipping or insurance
costs; (f) costs of product removal, installation, set-up
service, adjustment or reinstallation; and (g) claims by
persons other than the original purchaser.
Should a problem occur that is covered by this warranty, take
the product and the RadioShack sales receipt as proof of
purchase date to any RadioShack store in the U.S. RadioShack
will, at its option, unless otherwise provided by law: (a) repair
the product without charge for parts and labor; (b) replace
the product with the same or a comparable product; or (c)
refund the purchase price. All replaced parts and products,
and products on which a refund is made, become the property
of RadioShack. New or reconditioned 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 original warranty period. You will be charged for repair
or replacement of the product made after the expiration of the
warranty period.
RADIOSHACK EXPRESSLY DISCLAIMS ALL WARRANTIES
AND CONDITIONS NOT STATED IN THIS LIMITED
WARRANTY. ANY IMPLIED WARRANTIES THAT MAY BE
IMPOSED BY LAW, INCLUDING THE IMPLIED WARRANTY
OF MERCHANTABILITY AND, IF APPLICABLE, THE IMPLIED
WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE,
SHALL EXPIRE ON THE EXPIRATION OF THE STATED
WARRANTY PERIOD.
EXCEPT AS DESCRIBED ABOVE, RADIOSHACK SHALL
HAVE NO LIABILITY OR RESPONSIBILITY TO THE
PURCHASER OF THE PRODUCT 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 AND ANY LOSS OF TIME, DATA,
PROPERTY, REVENUE, OR PROFIT AND 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
implied warranty lasts or the exclusion or limitation of
incidental or consequential damages, so the above
limitations or exclusions may not apply to you. This warranty
gives you specific legal rights, and you may also have other
rights which vary from State to State. You may contact
RadioShack at:
RadioShack Customer Relations
300 RadioShack Circle, Fort Worth, TX 76102 04/08
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