2-WAYRADIO MODEL
FRS237
Nothing Comes Close To A Cobra
™
Owner’s Manual
Philippines
Printed in
Part No. 480-052-P
English
Introduction
Staying in touch with your family and friends is
convenient and easy when using your microTALK
radio. Some of the many uses you will discover include:
Making Life Easier & Safer
®
Communicating with others while hiking, biking, and working; keeping
track of family and friends at a crowded public event; checking with
travel companions in another car; talking with neighbors; arranging
meeting spots with others while shopping at the mall.
Belt Clip
Wrist Strap
Secure your microTALK
radio while on the go.
Carrying your microTALK®radio with you is
using the belt clip or wrist strap.
easy when
The belt clip easily attaches to your belt, purse,
or backpack. Simply squeeze the clip and place
®
it where you prefer.
Customer Assistance
For Assistance In Canada or the U.S.A.
In this user’s manual, you should find all the information you need
to operate your microTALK
after reading this manual, Cobra
®
radio. If you require further assistance
®
Electronics offers the following
customer assistance services:
Automated Help Desk
English only. 24 hours a day, 7 days a week 773-889-3087 (phone).
Customer Assistance Operators
English and Spanish. 8:00 a.m. to 6:00 p.m. CT,
Monday through Friday (except holidays) 773-889-3087 (phone).
Questions
English and Spanish. Faxes can be received at 773-622-2269 (fax).
Technical Assistance
English only. www.cobra.com (on-line: Frequently Asked Questions).
English and Spanish. productinfo
@cobra.com (e-mail).
For Assistance Outside Canada, the U.S.A. or in French
Contact Your Local Dealer
English
2
©2002 Cobra®Electronics Corporation
est Cortland Street
W
6500
Chicago, Illinois 60707 USA
www.cobra.com
Assistance
Warranty
Introduction
Assistance
Warranty
Assistance
Warranty
Talk
Button
Light/Max
Range
Button
English
3
Product Features
Antenna
Compartment
External Speaker/
Microphone Jack
Wrist Strap
Connector
Belt Clip
Battery
Battery Door
Latch
On/Off
Power
Button
Lock
Button
Channel
Up/Down
Buttons
Backlit
LCD
Display
Volume Up/
Down
Mode
Button
Call
Button
Speaker/
Microphone
Button(s)
ntroduction
I
Features
• Two-Way Radio
With a range
up to three (3)
kilometers
(2 miles).
Product Features
Backlit LCD
Display
Receive/Transmit
Tower Icon
Lock
Icon
• 14 Channels
• 38 Privacy Codes
• Backlit LCD
Display
• Scan
(channel,
privacy code)
• Water Resistant
• Speaker/
Microphone Jack
• Call Alert
(10 selectable
tones)
• Lock
• “Roger Beep”
(selectable On/Off)
• Battery/
Power Saver
• Auto Squelch
• Maximum
Range Extender
• Belt Clip
Main Channel
Numbers
Saver Icon
Power
• Wrist Strap
Industry Canada Notice: Operation is subject to the following two (2)
conditions: 1) this device may not cause interference, and 2) this device
must accept any interference, including interference that may cause
undesired operation of the device.
«IC» before the equipment certification number signifies that the Industry
Canada technical specifications were met. It does not guarantee
that the certified product will operate to the user’s satisfaction.
Important FCC Licensing Information
This device complies with part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Warnings:
FCC
other parts of a unique nature, with parts other than those recommended by
Cobra®, may cause a violation of the technical regulations of part 95 of the FCC
Rules
English
4
Replacement or substitution of tr
, or violation of Type Acceptance requirements of Part 2 of the Rules.
ansistors, regular diodes or
Roger
Beep Icon
Battery
Low
CTCSS Privacy
Code Numbers
Scan Icon
Introduction
Operation Customer Assistance Warranty
Caring for Your microTALK®Radio
Your microTALK®radio will give you years of trouble-free service if
cared for properly. Handle the radio gently. Keep the radio away from
dust. Never put the radio in water or in a damp place. Avoid exposure
to extreme temperatures.
Remove Belt Clip
Batteries
To Install or Replace Batteries:
1. Remove belt clip by releasing belt clip
Pull Down Lock Latch
latch and sliding clip up.
2. Pull down on the
remove the battery compartment cover.
Battery Door Latch to
3. Insert four (4) AAA batteries. (Always use high
Insert Batteries
quality alkaline batteries.) Position batteries
according to polarity markings.
4. Replace Battery Compartment cover and belt clip.
®
Contact your local Cobra
®
directly for optional battery
Cobra
dealer or
pack and desktop charger accessories.
The Basics to Get You Started
Your microTALK®radio is easy to use.
To get started, simply:
1. Press the
2. Press the Channel Up or Channel Down
Power button to turn On your radio.
button to select a channel.
Both radios must be tuned to the
same channel to communicate.
3. Press and hold the Talk button while
speaking into the microphone.
4. When finished talking, release the
button and listen for a response.
Nothing comes close to a Cobra
Talk
™
•
•
5
Assistance
Warranty
Assistance
Warranty
Assistance
Warranty
Operation
On/Off Power
Battery Low
Battery Save Mode
Talk Button
5 cm (2 inches)
From Mouth
Using Your Radio
Turning On Your microTALK®Radio
To Turn On Your Radio:
1. Press and hold the Power button until you
hear a series of audible tones indicating
the radio is On.
Your microTALK
ready to receive transmissions. The radio is
always in
Call or Mode buttons are pressed.
Battery Low
When battery power is low, the Battery Low icon
will blink. Your batteries should be replaced or
recharged, if using rechargeable batteries.
Auto Battery Save
Your microTALK®radio has a unique circuit
designed to extend battery life. If there are no
transmissions within ten (10) seconds, the radio
will automatically switch to
and Power Saver icon will flash in the display.
This will not affect the radio’s ability to receive
incoming transmissions.
Communicating with Another Person
To Talk To Another Person:
1. Press and hold the Talk button.
2. With the microphone about five (5)
centimeters (2 inches) from your mouth,
speak in a normal voice.
3. Release the
finished talking and listen for a response.
You cannot receive incoming calls while
pressing the
®
radio is now in Standby Mode,
Standby Mode except when the Talk,
Battery Save Mode
Talk button when you are
Talk button.
Both radios must be tuned to
the same channel to communicate.
Operation
ode Button
•
M
Scrolling Through
the Mode Function
By scrolling through the Mode function, you will
be able to select or turn On preferred features of
your microTALK
the Mode function, your radio features will be
Customer Assistance WarrantyIntroduction
®
radio. When scrolling through
•
displayed in the same predetermined order:
Set Privacy Code
Set Channel Scan
Set Privacy Code Scan
•
Channel Button
•
Channel Number
Set Call Tones
Set “Roger Beep” On/Off
Channels
To Select a Channel:
1. With the radio On, select any of the
14 channels by pressing the
or Channel Down button.
Channel Up
•
Both radios must be tuned to the
same channel to communicate.
38 Privacy Codes
•
CTCSS Privacy Codes
CTCSS (Continuous Tone Coded Squelch System)
is an advanced tone coding system allowing you
to select one of 38 privacy codes to reduce
•
interference from other users on the channel.
If you are using a privacy code, both
radios must be tuned to the same channel
and privacy code to communicate. Each
channel will remember the last privacy
code you selected.
6
English
Nothing comes close to a Cobra
™
7
Assistance
Warranty
Assistance
Warranty
Operation
ode Button
M
Privacy Code
Channel Button
Listening
Volume Button
Volume Level
Using Your Radio
To Select a Privacy Code:
1. After selecting a channel, press the Mode
button until the small numbers next to the
channel number flash on the LCD.
2. Press the
3. When your desired privacy code is displayed:
Listening for a Response
When You are Finished Talking:
1. Release the Talk button to receive incoming
Volume
To Adjust the V
1. Press the Volume Up or Volume Down button.
A double beep sound is used to indicate
the minimum and maximum volume levels
(L1 through L7).
Channel Up or Channel Down button
to select a privacy code. You can hold the
or Down button for fast advance.
a. Press the
Mode button to enter the new
setting and proceed to other functions.
b. Press the
Lock button to enter the new
setting and return to
Standby Mode.
c. Do not press any buttons for 15 seconds
to enter the new setting and return to
Standby Mode.
®
transmissions. Your microTALK
Standby Mode while the Talk or
always in
Call buttons are not pressed.
radio is
olume:
Customer Assistance WarrantyIntroduction
•
all Button
C
Operation
Call Button
To Alert Another Person That You Are Calling:
1. Press and release the Call button.
The other person will hear a two (2) second call
Up
tone. You cannot send or receive transmissions
during the two (2) second call tone.
See page 11 on how to select
between ten (10) call tone settings.
Scan
Your microTALK®radio can automatically scan
•
main channels (1 through 14) or the privacy codes
(00 through 38) within one (1) main channel.
Mode Button
To Scan Main Channels:
1. Press the Mode button until the Scan icon and
•
Scanning Channels
the main channel number flashes on the display.
2. Press the
Channel Up or Channel Down button
to begin scanning the main channels.
The radio ignores privacy codes
while scanning main channels.
•
Channel Button
3. The Scan icon will continue to be displayed
when Scan is On. Your radio will continue to
scan all main channels and stop if an incoming
transmission is detected.Your radio will remain
on that channel for ten (10) seconds. During this
time, you can:
a. Press and hold the
communicate with others. Your radio
will remain on that channel and return
Standby Mode.
to
b. Press the Channel Up or Channel Down
button to resume scanning channels.
Talk button and
c. Press the Mode button to proceed to
privacy code scanning (see page 10 for
further details).
8
English
Nothing comes close to a Cobra
™
9
Operation
Channel Button
Select Channel
Mode Button
Scan Privacy Codes
Using Your Radio
If you press the Talk button while scanning
and not within ten (10) seconds of receiving
a transmission you will transmit on the last
channel you transmitted or received on.
If you do not press any button within ten (10)
seconds, your radio will automatically resume
scanning main channels.
To Scan Privacy Codes:
1. While in Standby Mode, press the Channel Up
or Channel Down button to choose the main
channel you wish to scan.
2. Press the
3. Press the
4. The Scan icon will continue to be displayed
If you press the
and not within ten (10) seconds of receiving
a transmission you will transmit on the last
channel you transmitted or received on.
If you do not press any button within ten (10)
seconds, your radio will automatically resume
scanning privacy codes.
Mode button until the Scan icon and
the privacy code number flashes on the display.
Channel Up or Channel Down button
and your radio will begin scanning privacy
codes within the main channel you selected.
when Scan is On. Your radio will continue
to scan privacy codes and stop an incoming
transmission is detected. Your radio will remain
on that channel and privacy code for ten (10)
seconds. During this time, you can:
a. Press and hold the
communicate with others. Your radio
will remain on that channel and privacy
code and return to
b. Press the Channel Up or Channel Down
button to resume scanning privacy codes.
Talk button to
Standby Mode.
c. Press the Mode button to proceed to
other functions.
Talk button while scanning
ode Button
M
Call Tone Setting
Channel Button
Mode Button
Roger Beep Off
Channel Button
Operation
Customer Assistance WarrantyIntroduction
10 Call Tone Settings
You can choose between ten (10) different call
tone settings to transmit a unique call alert.
To Change a Call Tone Setting:
1. Press the Mode button until the letter “C”
and the current call tone number (1 through
10) is displayed. The current call tone will
sound for one (1) second.
2. Press the
Channel Up or Channel Down
button to hear the other call tone settings.
3. a. Press the Mode button to enter the new
setting and proceed to other functions.
b. Press the
Lock button to enter the new
setting and return to
Standby Mode.
“Roger Beep” Confirmation Tone
Your listener will hear an audible tone when you
release the
that you are finished talking and it is
Talk button. This alerts the other party
OK for them
to speak. This feature can be turned On or Off.
To Turn “Roger Beep” On or Off:
When turning On your microTALK®radio
for the first time, “Roger Beep” will be On.
1. Press the
Mode button until the Roger
Beep icon flashes. The current On or
Off setting is displayed.
2. Press the
Channel Up or Channel Down
button to select “Roger Beep” On or Off.
3. a. Press the Mode button to enter the new
setting and proceed to other functions.
b. Press the
Lock button to enter the new
setting and return to
Standby Mode.
The setting you select will be saved when you
turn your radio Off and On again. When the
“Roger Beep” is On, the “Roger Beep” icon
will be displayed.
•
•
10
English
Nothing comes close to a Cobra
™
11
Operation
Assistance
Warranty
ight/Max Range
L
Light/Max Range
English
12
Using Your Radio
Display Illumination
To Illuminate Your Display:
1. Press and release the Light/Max Range button
to illuminate the display for ten (10) seconds.
Auto Squelch/Maximum Range
Your microTALK®radio is equipped with Auto
Squelch, which automatically shuts Off weak
transmissions and unwanted noise due to
terrain, conditions, or if you’ve reached your
maximum range limit.
You can temporarily turn Off Auto Squelch or
turn On Maximum Range Extender, allowing all
signals to be received and extending the maximum
range of your radio.
To Temporarily Turn Off Auto Squelch:
1. Press the Light/Max Range button less
than five (5) seconds.
If you hear two (2) beeps, you have turned the
Maximum Range Extender On (see below).
To Turn Maximum Range Extender On:
1. Press and hold the Light/Max Range button
for at least five (5) seconds until you hear
two (2) beeps which indicates the Maximum
Range Extender is On.
To Turn Maximum Range Extender Off:
1. Press and release the Light/Max Range
button or change channels.
Operation
ock Button
•
L
Lock Function
The Lock function locks the Channel,
Customer Assistance WarrantyIntroduction
•
Mode, and Power buttons to prevent
accidental operation.
•
Lock Mode
To Turn the Lock On or Off:
1. Press and hold the Lock button for
two (2) seconds.
A double beep sound is used to confirm
your Lock On or Off request. When in
Lock Mode, the Lock icon will be displayed.
Speaker/Microphone
Speaker/Microphone Jack
Your microTALK®radio can be fitted with
•
an external Speaker/Microphone, freeing
your hands for other tasks. See page 16
for optional accessories ordering instructions.
Only Cobra
recommended.
®
authorized accessories are
To Attach Your Speaker/Microphone:
Maximum Range
1. Open the Speaker/Microphone tab on
top of your microTALK
2. Insert the plug into the Speaker/
Microphone
microTALK®Range
Your microTALK®radio has a range of up
jack.
®
radio.
•
to three (3) kilometers (2 miles). Your range
will vary depending on terrain and conditions.
Reduced Range
In flat, open country your radio will operate
at maximum range.
Buildings and foliage in the path of the signal
can reduce the range.
Dense foliage and hilly terrain will further
Reduced Rang
e
reduce the signal.
Remember, you can achieve maximum
range by using Maximum Range
Extender. See page 12 for details.
Nothing comes close to a Cobra
™
13
Operation
Assistance
Warranty
General Specifications
A. FRS Frequency
Allocation
A = Channel No. For
14 Channel FRS Models
B = Frequency in MHz
C = Power in Watts
ABC
1 462.5625 0.5
2 462.5875 0.5
3
4 462.6375 0.5
5 462.6625 0.5
6 462.6875 0.5
7 462.7125 0.5
8 467.5625 0.5
9 467.5875 0.5
10 467.6125 0.5
11 467.6375 0.5
12 467.6625 0.5
13 467.6875 0.5
14 467.7125 0.5
14
462.6125 0.5
The Cobra
line of quality
products includes:
CB Radios
microTALK
Radar/Laser Detectors
Safety Alert
Systems
Accessories
GPS (Global
Positioning System)
™
HighGear
English
®
®
Radios
®
Traffic Warning
Accessories
B. Receiver
1. Sensitivity
For 12 DB SINAD . . . . . . . . . . dBm -121
For Call Signal Detection . . . . dBm -121
2. Max. Audio Output
@10% THD . . . . . . . . . . . . . . . mW 200
3. Max. S/N Ratio
@ 1mV RF Input . . . . . . . . . . . dB 50
4. Squelch
a) Sensitivity . . . . . . . . . . . . . . dBm -121
b) Attack Time . . . . . . . . . . . . . mS 150
c) Closing Time . . . . . . . . . . . . mS 200
5. Audio Frequency Response
@ 300 HZ . . . . . . . . . . . . . . . . . dB -3
@ 2500 HZ . . . . . . . . . . . . . . . . dB -10
6. Signal Displacement BW . . . +/-KHZ 5
7. Adjacent Channel Rejection . . . dB 60
8. Intermodulation Rejection . . . . dB 65
9. Spurious Response Rejection . dB 55
C. Transmitter
1. Power . . . . . . . . . . . . . . . . . . .mW 500
2. Carrier Frequency Stability . . . ±Hz 500
3. Modulation Limiting . . . . . . . . KHz 2.5
4. Carrier Attack Time . . . . . . . . . mS 80
5. Audio Frequency Response
@ 300 HZ . . . . . . . . . . . . . . . . . dB -12
@ 2500 HZ . . . . . . . . . . . . . . . .
6. Audio Distortion . . . . . . . . . . . . % 3
7. Hum Noise . . . . . . . . . . . . . . . . dB 30
Transient Frequency Behavior
8.
a) TX On . . . . . . . . . . . . . . . . . mS 30
b) TX Off . . . . . . . . . . . . . . . . . mS 5
D. Power Supply
1. Battery Life (5:5:90 RATIO)
With Alkaline Batteries . . . . . . . HR 24
y Operating Range
2. Batter
Unit
Unit
dB
Unit
. . . . . . V 4.2 - 6.0
Operation WarrantyIntroduction
If you have any questions about operation or installing
your new Cobra®product, or if you are missing parts…
Nominal
Nominal
+6
Nominal
Please call Cobra®first! DO NOT RETURN THIS PRODUCT
TO THE STORE! See customer service on page 2.
Product Service
For Products Purchased in Canada
For out of warranty service, ship prepaid this product to: AVS Technologies Inc., 2100 TransCanada
Hwy S., Montreal, Quebec, H9P 2N4. We reserve the right to repair or replace the radio with an
equivalent product. Please include the following information: Date of Purchase, Model Number,
Dealer Purchased From, Dealer Address, Dealer Phone Number.
For Products Purchased in the U.S.A.
If your product should require factory service, please call Cobra®first before sending your radio.
This will ensure the fastest turn-around time on your repair. You may be asked to send your radio to the
®
Cobra
factory. It will be necessary to furnish the following to have the product serviced and returned.
1) For Warranty Repair include some form of proof-of-purchase, such as a mechanical reproduction
or carbon of a sales receipt. If you send the original receipt, it cannot be returned; 2) Send the entire
product; 3) Enclose a description of what is happening with the radio. Include a typed or clearly
printed name and address of where the radio is to be returned; 4) Pack radio securely to prevent
damage in transit. If possible, use the original packing material; 5) Ship prepaid and insured by way
of a traceable carrier such as United Parcel Service (UPS) or First Class Mail to avoid loss in transit
to
Cobra®Factory Service, Cobra®Electronics Corporation, 6500 West Cortland Street, Chicago,
Illinois 60707 USA; 6) If the radio is in warranty
exchanged depending on the model. Please allow approximately 3 – 4 weeks before contacting Cobra
for status. If the radio is out of warranty, a letter will automatically be sent informing you of the repair
charge or replacement charge.
Warranty
Limited 1-Year WarrantyFor Products Purchased in Canada.
Your new Cobra®FRS is covered by a one (1) year replacement warranty. If any manufacturing defect
becomes apparent in this product within one (1) year from the original date of purchase, it will be
replaced. Please return the FRS radio to your dealer with original or copy of dated proof of purchase.
This warranty does not cover damages due to careless handling, negligence, accident, abuse or failure
to follow operating instructions. Alteration of this product or defacing of the serial number cancels all
obligations of this warranty. This warranty gives you specified legal rights. Additional warranty rights
may be provided by law in some areas.
Limited 1-Year WarrantyFor Pr
Cobra®Electronics Corporation warrants that its Cobra®FRS radios, and the component parts thereof,
will be free of defects in workmanship and materials for a period of one (1) year from the date of first
chase. This warranty may be enfor
consumer pur
product is utilized within the U.S.A. Cobra
FRS radios, products or component parts upon delivery to the Cobra
accompanied by proof of the date of first consumer pur
ou must pay any initial shipping charges required to ship the product for warranty ser
Y
charges will be at Cobra
gives you specific legal rights, and you may also have other rights which may var
Exclusions: This limited warranty does not apply: 1) To any product damaged by accident; 2) In the
event of misuse or abuse of the product or as a result of unauthorized alterations or repairs; 3) If the serial
number has been altered, defaced, or removed; 4) If the owner of the product resides outside the U.S.A.
All implied warranties, including warranties of merchantability and fitness for a particular purpose are
limited in duration to the length of this warranty. Cobra
or other damages; including, without limitation, damages resulting from loss of use or cost of installation.
Some states do not allow limitations on how long an implied warranty lasts and/or do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitations may not apply to
you.
For products purchased outside the U.S.A., please contact your local dealer for warranty information.
If you have any questions, please call 773-889-3087 for assistance.
®
’s expense, if the product is repaired or replaced under warranty. This warranty
Customer Assistance
, upon receipt of your radio it will either be repaired or
hased in the U
c
oducts Pur
ced by the first consumer pur
®
will, without charge, repair or replace,
chase, such as a duplicated copy of a sales receipt.
®
shall not be liable for any incidental, consequential
chaser
at its option, defective
®
Factory Service department,
y from state to state.
Nothing comes close to a Cobra
.S.A.
provided that the
,
vice, but the return
®
™
15
Customer Assistance
Assistance
Warranty
Intro Operation Customer
Assistance
Notice
Secondary Icons
Notice
Name
ddress (No P.O. Boxes)
A
City State/Province Zip Country
Telephone
Credit Card Number Type: ❒ Visa ❒ Mastercard ❒ Discover Exp. Date
Customer Signature
Item # Cost Each Qty Amount
Accessories & Order Form
U.S.
Canada
Ordering From U.S.
Amount Shipping/Handling
$10.00 or less . . . . . $3.00
$10.01-$25.00 . . . . . $5.50
$25.01-$50.00 . . . . . $7.50
$50.01-$90.00 . . . . $10.50
$90.01-$130.00 . . . $13.50
$130.01-$200.00 . . $16.50
$200.01 plus . . . . . 10% of
U.S. Tax Table
Ohio, Wisconsin add 5%; Indiana,
Michigan add 6%; Illinois add 8.75%.
Call 773-889-3087 for pricing
or visit www.cobra.com.
For credit card orders, complete and
return this order form to fax number
773-622-2269. Or call 773-889-3087
(Press 1 from the main menu) 8:00 a.m.
to 6:00 p.m. CT, Monday through Friday.
Make check or money order payable to:
®
Electronics, Attn: Accessories Dept.
Cobra
6500 West Cortland Street
Chicago, IL 60707 USA
To order online, please visit our website:
www.cobra.com.
Please allow 2-3 weeks for delivery in the U.S.
Prices subject to change without notice.
English
16
purchase
For AK, HI and PR
add additional $26.95
for FedEx Next Day
or $10.95 for FedEx
2nd Day. Excludes
weekends and
holidays shipments.
U.S. Subtotal
(Tax if Applicable)
Shipping/Handling
Canada Subtotal
G.S.T. 7%
**QST 7.5%
Shipping/
Handling
Total
Ordering From Canada
Call 514-683-1771 for pricing.
For credit card orders, complete and
return this order form to fax number
514-683-5307. Or call 514-683-1771
(Press 1 from the main menu) 9:00 a.m.
to 5:00 p.m. EST, Monday through Friday.
Make check or money order payable to:
AVS Technologies, Inc.
2100 Trans Canada Highway South
Montreal, Quebec H9P 2N4
Please allow 4-6 weeks for delivery in Canada.
Prices subject to change without notice.
Optional Accessories
You can find accessories
at your local Cobra
or in the U.S.A. you can order
directly from Cobra.
$5.50
**Quebec residents only.
®
dealer,
®
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