Cobra Electronics PR4100 FRS/GMRS RADIO User Manual
Cobra Electronics Corporation FRS/GMRS RADIO
USERS MANUAL
Owner’s Manual
Nothing Comes Close to a Cobra®
TWO-WAYRADIO MODEL
PR4500WX
Printed in China
Part No. 480-315-P
Version A
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A1
Making Life Easier and Safer
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:
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.
Secure your microTALK
radio while on the go.
Carrying your microTALK radio with
you is easy when using the belt clip.
The belt clip easily attaches to your belt,
purse or backpack. Simply squeeze the
clip and place it where you prefer.
For Assistance in the U.S.A.
In this user’s manual, you should find all the information you need
to operate your microTALK radio. If you require further assistance
after reading this manual, Cobra Electronics offers the following
customer assistance services:
Automated Help Desk
English only. 24 hours a day, seven (7) days a week 773-889-3087
(phone).
Customer Assistance Operators
English and Spanish. 8:00 a.m. to 6:00 p.m. Central Time,
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 the U.S.A.
Contact Your Local Dealer
Belt Clip
Customer Assistance
©2007 Cobra Electronics Corporation™
6500 West Cortland Street
Chicago, Illinois 60707 USA
www.cobra.com
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Product Features
Introduction
12
3
8
4
5
7
6
10
11
12
9
1. Antenna
2. External Speaker/
Microphone/Charge Jack
3. On/Off Volume Knob
4. Backlit LCD Display
5. Channel Up Button
6. Channel Down Button
7. Mode/Lock Button
8. Speaker/Microphone
9. Call Button
10. Light/Max Range Button
11. Talk Button
12. Enter/Hi-Low Power Button
13. Wrist Strap Connector
14. Belt Clip
15. Battery Compartment
16. Battery Door Latch
13
14
15
16
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Product Features
Introduction
Backlit LCD Display
Important FCC Licensing Information
This radio operates on General Mobile Radio
Service (GMRS) frequencies which require a
Federal Communications Commission (FCC)
license. See page 22 for licensing and other
related information.
Maximum range may vary and is based on
unobstructed line-of-sight communication under
ideal conditions.
• 22 Channels
Seven shared
with FRS/GMRS,
seven FRS
only, eight
GMRS only
•38 Privacy Codes
•10 Channel NOAA
All Hazards Radio
• Hands-Free
Operation (VOX)
• 10 Channel Memory
• Signal Strength
Meter
• Scan
Channel, privacy
code, memory
• Selectable
Hi•Low Power
In GMRS
• Backlit
LCD Display
• Button Lock
• Call Alert
10 selectable tones
• Speaker/
Microphone/
Charge Jack
• Roger Beep
Selectable on/off
• Battery/Power Saver
• Keystroke Tones
Selectable on/off
• Auto Squelch
• Maximum Range
Extender
•Belt Clip
1
234
6
8
9
11
13
14
15 10
12
1. Signal Strength Meter Icon
2. Lock Icon
3. Keystroke Tones Icon
4. Roger Beep Icon
5. VOX Icon
6. NOAA All Hazards Radio Icon
7. Scan Icon
8. Memory Icon
9. Memory Location Number
10. CTCSS Privacy Code Numbers
11. Hi-Low Icons
12. Receive/Transmit Icons
13. Battery Low Indicator
14. Power Saver Icon
15. Channel Numbers
5
7
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Operation
Customer Assistance
Warranty
1
Introduction
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.
Rechargeable Batteries and
Desktop Charger •
To install or replace batteries:
1. Remove belt clip by releasing belt clip
latch and sliding clip up.
2. Pull up on the battery door latch to
the battery compartment cover.
3. Insert batteries according to
polarity markings.
4. Replace battery compartment cover
and belt clip.
Estimated operation time on full charge:
12 hours.
These rechargeable batteries must be recycled or disposed of
properly in compliance with all applicable laws. They may not be
thrown in the trash.
Certain states or municipalities require recycling and have
established collection programs. Please contact your local waste
removal authority for instructions, or return to Cobra®for recycling.
Wrap batteries carefully and mail postage prepaid to:
Cobra Electronics Corporation, 6500 West Cortland Street,
Chicago, IL 60707 USA, Attn: Battery Recycling.
Do not put batteries into fire or expose to high heat.
They may explode.
Remove Belt Clip
Pull Up Lock Latch
Insert Batteries
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2
Using Your Radio
Operation
For charging microTALK radio(s) in desktop
charger:
1. Insert radio(s) into desktop charger as shown.
2. Insert round connector of 120-volt adapter
into jack on back of charger.
3. Plug 120-volt adapter into electrical outlet.
If charging light is not on, check position of radio. Radio should be
upright. The charge indicator light will stay on as long as the radio
is in the charging well, even after the batteries are fully charged.
It normally takes about 15 hours to fully recharge batteries.
Batteries will not be damaged if they stay in the charging well
longer than that.
Note: To charge a single radio, you can bypass the desktop charger
and simply insert the wall adapter’s round connector directly into
the speaker/microphone/charge jack located on the top of the radio.
Use only the supplied rechargeable batteries and charger for
recharging your Cobra microTALK radio.
Cobra recommends your radio is turned off while being charged.
Non-rechargeable alkaline batteries can also be used in your radio.
Insert Radio(s)
Quick Start
1. Rotate the On/Off Volume knob to turn
on your radio.
2. Press the Channel Up or Channel Down
button to select a channel.
Both radios must be tuned to
the same channel/privacy code
to communicate.
3. Press and hold the Talk button while
speaking into the microphone.
4. When finished talking, release the Talk
button and listen for a response.
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Customer Assistance WarrantyIntroduction
3
Operation
Turning on Your microTALK Radio •
Rotate the On/Off Volume knob clockwise to turn
on your radio and adjust the volume.
A series of tones will indicate the radio is on.
Your microTALK radio is now in Standby
mode, ready to receive transmissions. The radio
is always in Standby mode, except when the
Talk, Call or Mode/Lock buttons are pressed.
Battery Low •
When battery power is low, the Battery Low icon
will blink. Your batteries should be recharged or
replaced if using alkaline batteries.
Auto Battery Save •
Your microTALK radio has a unique circuit
designed to extend battery life. If there are
no transmissions for 10 seconds, the radio will
automatically switch to Battery Save mode and
the Power Saver icon will flash in the display.
This will not affect the radio’s ability to receive
incoming transmissions.
Signal Strength Meter •
Your microTALK radio has a Signal Strength
Meter that shows the strength of your incoming
and outgoing transmissions. The ascending bars
next to the signal strength indicate the strength
of the signal. The greater the number of bars
visible, the stronger the signal. The fewer
number of bars visible, the weaker the signal.
On/Off Power
Battery Low
Battery Save Mode
Signal Strength
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Using Your Radio
Communicating with Another Person •
1. Press and hold the Talk button.
2. With the microphone about 2 inches
(5 cm) from your mouth, speak in a
normal voice.
3. Release the Talk button when you are
finished talking and listen for a response.
You cannot receive incoming calls while
pressing the Talk button.
Both radios must be tuned to
the same channel/privacy code
to communicate.
Channels •
With the radio on, select any of the 22 channels
by pressing the Channel Up or Channel Down
button.
Both radios must be tuned to the
same channel to communicate.
Channels 1 through 7 are shared by FRS and
GMRS. Channels 8 through 14 are FRS only.
Channels 15 through 22 are GMRS only.
See page 21 for FRS/GMRS frequency
allocations and compatibility charts.
Listening for a Response •
Release the Talk button to receive incoming
transmissions. Your microTALK radio is always
in Standby mode while the Talk or Call buttons
are not pressed.
Operation
Two Inches (5 cm)
from Mouth
Channel Number
Listening
Talk Button
Channel Buttons
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Customer Assistance WarrantyIntroduction
5
Operation
Volume •
Rotate the On/Off Volume knob.
Call Button •
To alert another person that you are calling:
Press and release the Call button.
The other person will hear a two second
call tone. This tone is used only to establish
voice communications.
See page 19 on how to select from
10 available call tone settings.
Selectable High•Low Power Output •
When in close proximity to another party or
during favorable conditions, you can switch
from High to Low Power to extend battery life.
This feature applies to GMRS Channels
1 through 7 and 15 through 22 only.
Channels 8 through 14 operate
exclusively on low power.
To toggle between high and low power:
Press the Enter/Hi•Low button for
two seconds.
When using Channels 1 through 7 and
15 through 22 on high power, the Hi icon
will be visible on the display.
When using those channels on low power
and on Channels 8 through 14, the Low icon
will be visible on the display.
To Illuminate Display •
Press and release the Light/Max Range button to
illuminate the display for 10 seconds.
Enter/Hi-Low Button
Volume Knob
Hi Power Icon
Low Power Icon
Light/Max Range
Call Button
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Using Your Radio
Auto Squelch/Maximum Range •
Your microTALK radio is equipped with Auto Squelch, which
automatically shuts off weak transmissions and unwanted noise
due to terrain and conditions. This slightly reduces the Maximum
Range at which signals can be heard.
You can turn off auto squelch to allow all signals to be
received and extend the maximum range of your radio.
To briefly turn off auto squelch:
Press the Light/Max Range button
for less than five seconds.
If you hear two beeps, you have turned
the maximum range extender on (see below).
To turn maximum range extender on:
Press and hold the Light/Max Range button
for at least five seconds until you hear
two beeps which indicates the maximum
range extender is on.
To turn maximum range extender off:
Press and release the Light/Max Range
button or change channels.
Lock Feature •
The Lock feature locks the Channel, Mode/Lock and Enter/Hi•Low
Power buttons to prevent accidental operation.
To turn the lock feature on or off:
Press and hold the Mode/Lock button for
two 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.
Operation
Light/Max Range
Lock Mode
Mode/Lock Button
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Customer Assistance WarrantyIntroduction
7
Operation
Dual Function Buttons •
Two of the buttons on the microTALK radio have Dual Functions;
Mode/Lock
• Press and release the button to scroll to the next mode function.
• Press and hold the button for two seconds or more to turn the
lock function on or off.
Enter/Hi•Low Power
• Press and release the button to enter settings in Function mode.
• Press and release to toggle between high and low power
transmission in Standby mode.
Speaker/Microphone/Charge Jack •
Your microTALK radio can be fitted with an external
Speaker/Microphone, freeing your hands for other tasks.
This same jack also serves as the connecting point for
an optional wall charger/adapter.
To attach a speaker/microphone:
1. Open the speaker/microphone/charge
tab on top of your microTALK radio.
2. Insert the plug into the speaker/
microphone/charge jack.
To connect a wall charger/adapter:
1. Open the speaker/microphone/charge
tab on top of your microTALK radio.
2. Insert the wall charger/adapter plug
into the speaker/microphone/charge jack.
Earbud Microphone •
1. Plug earbud microphone into radio.
2. Place earbud in ear.
3. Clip microphone onto clothing 3 inches
(7.62 cm) to 6 inches (15.24 cm) from your
mouth.
4. Push to talk.
Speaker/Microphone/
Charge Jack
Radio Charger Jack
Placed in Ear
Clipped to Clothing
1
2
3
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Mode Functions
microTALK Range •
Your range will vary depending on terrain and conditions.
In flat, open country your radio will
operate at maximum range.
Buildings and foliage in the path of the
signal can reduce the range of the radio.
Dense foliage and hilly terrain will
further reduce the range of the radio.
On FRS channels 8 through 14, your radio
automatically switches to low power, which
will limit the range the radio can communicate.
Remember, you can achieve maximum
range by using maximum range
extender. See page 6 for details.
Scrolling through Mode Functions •
By scrolling through the Mode Functions, you will be able to
select or turn on/off preferred features of your microTALK radio.
When scrolling through the Mode Functions, your radio features
will be displayed in the following order:
Set Privacy Codes
Set NOAA All Hazards Radio Channel
Set VOX On/Off
Set VOX Sensitivity Level
Set Memory Locations
Set Channel Scan
Set Privacy Code Scan
Set Memory Location Scan
Set Call Tones
Set Roger Beep On/Off
Set Keystroke Tones On/Off
Scroll through the mode functions using the Mode/Lock button.
Each press and release of the Mode/Lock button will advance to
the next mode function. Press the Talk button at any point to
return the radio to Standby mode.
Operation
Maximum Range
Reduced Range
Reduced Range
Mode/Lock Button
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Customer Assistance WarrantyIntroduction
9
Operation
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.
To select a privacy code:
1. After selecting a channel, press
the Mode/Lock button until the small
numbers next to the channel number
flash on the display.
2. Press using the Channel Up or Channel Down
button to select a privacy code. You can hold
the Up or Down button for fast advance.
3. When your desired privacy code is displayed,
choose one of the following:
a. Press the Mode/Lock button to enter the
new setting and proceed to other functions.
b. Press the Enter/Hi•Low 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.
Privacy Code
Channel Buttons
Mode/Lock Button
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10
Mode Functions
Operation
NOAA* All Hazards Radio Channels •
You can use your microTALK radio to listen to NOAA All Hazards
Radio channels transmitting in your area.
To listen to All Hazards Radio channels:
1. Press the Mode/Lock button until the
All Hazards Radio icon, the currently
selected All Hazards Radio channel,
and signal strength are displayed.
2. Use the Channel Up or Channel Down
button to change All Hazards Radio channels.
3. The All Hazards Radio icon will continue to
be displayed when All Hazards Radio is on.
Choose one of the following:
a. Press the Mode/Lock button to proceed
to other functions.
b. Press the Enter/Hi-Low button to exit
All Hazards Radio channel mode and
return to Standby mode.
c. Press Talk button to exit and start on
last used transmitting channel.
*National Oceanographic and Atmospheric Administration
Enter/Hi-Low Button
Channel Buttons
Mode/Lock Button
Hazards Radio Icon
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Customer Assistance WarrantyIntroduction Operation
Voice Activated Transmit (VOX) •
In VOX mode, your microTALK radio can be used “hands-free,”
automatically transmitting when you speak. You can set the VOX
sensitivity level to fit the volume of your voice and avoid
transmissions triggered by background noise.
To turn VOX mode on or off:
1. Press the Mode/Lock button until the VOX
icon flashes on the display. The current on
or off setting is displayed.
2. Press the Channel Up or Channel Down
button to turn VOX on or off.
3. Choose one of the following:
a. Press the Mode/Lock button to enter the
selected on or off setting and proceed to
other functions.
b. Press the Enter/Hi•Low button to enter
the selected on or off setting and return
to Standby mode.
To set VOX sensitivity:
1. Press the Mode/Lock button until the VOX
icon flashes and the current sensitivity level
is displayed.
The current sensitivity level is displayed
with letters “LE” and a Number 01
through 05, with Number 05 being the
most sensitive level and Number 01
being the least sensitive level.
2. Press the Channel Up or Channel Down
button to change the setting.
3. Choose one of the following:
a. Press the Mode/Lock button to enter
the selected setting and proceed to
other functions.
b. Press the Enter/Hi•Low button to
enter the selected setting and return
to Standby mode.
11
VOX Icon
VOX Sensitivity Level
Channel Buttons
Channel Buttons
Mode/Lock Button
Mode/Lock Button
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Mode Functions
10 Memory Locations •
Your microTALK radio has 10 Memory Locations for storing
your most frequently used channels and channel/privacy code
combinations. These Memory Locations can be selected individually
or can be scanned. (See page 18 for memory location scan.)
To program a memory location:
1. Press the Mode/Lock button until the
Memory icon and the memory location
flash on the display.
2. Press the Channel Up or Channel Down
button to select the memory location
(0 through 9).
If a location has been programmed
before, its associated channel/privacy
code will be shown on the display.
3. Press the Enter/Hi•Low button to enter
a new memory location or edit an already
programmed memory location. The channel
numbers will flash on the display.
4. Press the Channel Up or Channel Down
button to select a channel (1 through 22).
5. Press the Enter/Hi•Low button. The privacy
code numbers will flash on the display.
6. Press the Channel Up or Channel Down
button to select a privacy code (00 to 38).
7. Choose one of the following:
a. Press the Enter/Hi•Low button to enter the channel/privacy
code in the selected memory location and return to the
beginning of memory location options.
b. Press the Mode/Lock button to enter the channel/privacy
code in the selected memory location and proceed to other
functions on the channel/privacy code displayed before
you entered mode functions.
c. Press the Talk button to enter the channel/privacy code in
the selected memory location and return to Standby mode
on the selected memory location.
Operation
Memory Icon
Channel Buttons
Enter/Hi-Low Button
Mode/Lock Button
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Customer Assistance WarrantyIntroduction Operation
While setting a memory location, if you do not press any buttons
for 15 seconds, your radio will automatically return to Standby
mode on the channel/privacy code displayed before you entered
mode functions. To recall a stored memory channel location:
1. Press the Mode/Lock button until the Memory
icon and the memory location number flash
on the display.
2. Press the Channel Up or Channel Down
button to select a memory location
(0 through 9).
If a location has been programmed
before, its associated channel/privacy
code will be shown on the display.
3. Press the Talk button to return to Standby
mode on the selected memory location.
A memory location can be reprogrammed
at any time it is displayed. Press the
Enter/Hi•Low button to begin.
While recalling a stored memory location,
if you do not press any buttons for 15 seconds,
your radio will automatically return to Standby
mode on the channel/privacy code displayed
before you entered mode functions.
13
Memory Icon
Channel Buttons
Mode/Lock Button
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14
Mode Functions
To de-program a memory location:
1. Press the Mode/Lock button until the
Memory icon and the memory location
flash on the display.
2. Press the Channel Up or Channel Down
button to select the memory location
(0 through 9).
If a location has been programmed
before, its associated channel/privacy
code will be shown on the display.
3. Press the Enter/Hi•Low button. The channel
numbers will flash on the display.
4. Press the Channel Up or Channel Down
button to select Channel 0.
5. Choose one of the following:
a. Press the Enter/Hi•Low button to enter
the channel/privacy code in the selected
memory location and return to the
beginning of memory location options.
b. Press the Mode/Lock button to
enter the channel/privacy code in
the selected memory location and
proceed to other functions on the
channel/privacy code displayed
before you entered mode functions.
While de-programming a memory location,
if you do not press any buttons for 15 seconds,
your radio will automatically return to Standby
mode on the channel/privacy code displayed
before you entered mode functions.
Operation
Memory Icon
Enter/Hi-Low Button
Channel 0
Channel Buttons
Mode/Lock Button
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Customer Assistance WarrantyIntroduction
15
Operation
Channel Scan •
Your microTALK radio can automatically scan channels.
To scan channels:
1. Press the Mode/Lock button until the
Scan icon and the channel numbers
flash on the display.
2. Press the Channel Up or Channel Down
button to begin scanning channels.
The radio ignores specific privacy
codes while scanning channels.
The Scan icon will continue to be displayed
when scan is on. Your radio will continue to
scan all channels and stop if an incoming
transmission is detected. Your radio will
remain on that channel for 10 seconds.
While setting channel scan, if you do not
press any buttons for 15 seconds, your radio
will automatically return to Standby mode on
the channel or channel/privacy code displayed
before you entered mode functions.
During channel scan (while receiving an incoming
transmission), you can choose from the following:
a. Press and hold the Talk button to
communicate on that channel. Your radio
will remain on that channel and return
to Standby mode.
b. Press the Channel Up or Channel Down
button to resume scanning channels.
If you press the Talk button while scanning,
but more than 10 seconds after receiving a
transmission, you will transmit on the channel
on which you last received a transmission.
This will return the radio to Standby mode.
If you do not press any button within
10 seconds after receiving a scanned
transmission, your radio will automatically
resume scanning channels.
Scanning Channels
Channel Buttons
Mode/Lock Button
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16
Mode Functions
During channel scan (while not receiving a transmission),
you can choose from the following:
a. Press and hold the Talk button to communicate on the
channel or channel/privacy code that was displayed before
you entered mode functions or the channel on which, during
scanning, you last received a transmission. This will then
return the radio to Standby mode.
b. Press the Mode/Lock button to proceed to set privacy
code scan on the channel that was either displayed before
you entered mode functions or on which, during channel
scanning, you last received a transmission (see below for
further details).
c. Press the Enter/Hi•Low button to return to Standby mode
on the channel/privacy code that was displayed before you
entered mode functions or the channel on which, during
scanning, you last received a transmission.
Privacy Code Scan •
Your microTALK radio can automatically scan the Privacy Codes
(01 through 38) within one channel.
To scan privacy codes:
1. While in Standby mode, press the
Channel Up or Channel Down button
to choose the channel on which you
wish to scan privacy codes.
2. Press the Mode/Lock button until the
Scan icon and the privacy code numbers
flash on the display.
3. Press the Channel Up or Channel Down
button to begin scanning privacy codes
within the channel you selected.
The Scan icon will continue to be displayed
when privacy code scan is on. Your radio will
continue to scan privacy codes and stop as an
incoming transmission is detected. Your radio
will remain on that channel/privacy code for
10 seconds.
Operation
Select Channel
Scan Privacy Codes
Channel Buttons
Mode/Lock Button
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While setting privacy code scan, if you do not press any buttons
for 15 seconds, your radio will automatically return to Standby
mode on the channel/privacy code that was displayed before
you entered mode functions.
During privacy code scan (while receiving an incoming
transmission), you can choose from the following:
a. Press and hold the Talk button to communicate on
that channel/privacy code. Your radio will remain on
that channel/privacy code and return to Standby mode.
b. Press the Channel Up or Channel Down button to
resume scanning privacy codes.
If you press the Talk button while scanning, but more than
10 seconds after receiving a transmission, you will transmit
on the channel/privacy code on which you last received a
transmission. This will then return the radio to Standby mode.
If you do not press any button within 10 seconds, your
radio will automatically resume scanning privacy codes.
During privacy code scan (while not receiving a transmission),
you can choose from the following:
a. Press and hold the Talk button to communicate on
the channel/privacy code that was displayed before you
entered mode functions or the channel/privacy code on
which, during scanning, you last received a transmission.
This will return the radio to Standby mode.
b. Press the Mode/Lock button to proceed to set memory
location scan (see page 18 for further details).
c. Press the Enter/Hi•Low button to return to Standby
mode on the channel/privacy code that was displayed
before you entered mode functions or the channel/
privacy code on which, during scanning, you last
received a transmission.
Customer Assistance WarrantyIntroduction
17
Operation
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18
Mode Functions
Memory Location Scan •
Your microTALK radio can automatically scan up to
10 programmed Memory Locations.
If there are one or fewer memory locations
programmed in your radio, the scan memory
locations option will not be available. To program
at least two memory locations, see program
memory locations on page 12.
To scan memory locations:
1. Press the Mode/Lock button until the Scan
icon, Memory icon and the memory location
number flash on the display.
2. Press the Channel Up or Channel Down
button to begin scanning memory locations.
The Scan icon and the Memory icon will
continue to be displayed when memory
location scan is on. Your radio will continue
to scan memory locations and stop if an
incoming transmission is detected. Your
radio will remain on that memory location
for 10 seconds.
While setting memory location scan, if you
do not press any buttons for 15 seconds,
your radio will automatically return to
Standby mode on the channel/privacy code
displayed before you entered mode functions.
During memory location scan (while receiving an Incoming
transmission), you can choose from the following:
a. Press and hold the Talk button to communicate on that
memory location. Your radio will remain on that memory
location and after 10 seconds of no activity, radio will start
memory location scan again.
b. Press the Channel Up or Channel Down button to resume
scanning memory locations.
Operation
Scanning Locations
Channel Buttons
Mode/Lock Button
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Customer Assistance WarrantyIntroduction
19
Operation
If you press the Talk button while scanning, but more than
10 seconds after receiving a transmission, you will transmit on
the memory location on which, during scanning, you last received
a transmission. This will return the radio to Standby mode.
If you do not press any button within 10 seconds, your radio
will automatically resume scanning memory locations.
During memory location scan (while not receiving a
transmission), you can choose from the following:
a. Press and hold the Talk button to communicate on the
channel/privacy code that was displayed before you entered
mode functions or memory location on which, during
scanning, you last received a transmission.
b. Press the Mode/Lock button to proceed to other functions.
c. Press the Enter/Hi•Low button to return to Standby mode
on the channel/privacy code that was displayed before you
entered mode functions or the memory location on which,
during scanning, you last received a transmission.
To reduce the number of memory locations being scanned,
you may de-program any unwanted locations. (See page 14
to de-program a memory location.)
10 Call Tone Settings •
You can choose from 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 (01 through 10)
is displayed.
2. Press the Channel Up or Channel Down
button to hear the other call tone settings.
3. Choose one of the following:
a. Press the Mode/Lock button to enter the
new setting and proceed to other functions.
b. Press the Enter/Hi•Low button to enter the
new setting and return to Standby mode.
Call Tone Setting
Channel Buttons
Mode/Lock Button
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20
Mode Functions and
General Specifications
Operation
Roger Beep Confirmation Tone •
Roger Beep is an audible tone that your listener will hear when you
release the Talk button. This alerts the other party that you are
finished talking and it is OK for them to speak.
To turn roger beep on or off:
1. Press the Mode button until the Roger Beep
icon flashes on the display. 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. Choose one of the following:
a. Press the Mode/Lock button to enter
the new setting and proceed to other
functions.
b. Press the Enter/Hi•Low button to enter the
new setting and return to Standby mode.
Keystroke Tones •
With Keystroke Tones turned on, your radio will sound
beeps each time you press a button or change a setting.
To change keystroke tones:
1. Press the Mode/Lock button until the
Keystroke Tones icon flashes on the display.
The current on or off setting is displayed.
2. Press the Channel Up or Channel Down
button to turn keystroke tones on or off.
3. Choose one of the following:
a. Press the Mode/Lock button to enter the
new setting and return to Standby mode.
b. Press the Enter/Hi•Low button to enter the
new setting and return to Standby mode.
Roger Beep On
Keystroke Tones On
Channel Buttons
Channel Buttons
Mode/Lock Button
Mode/Lock Button
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21
Customer Assistance WarrantyIntroduction Operation
General Specifications •
FRS/GMRS Frequency
Allocation and Compatibility
Important: Please note that Cobra GMRS models with 15 Channels may
designate different channel numbers for the same frequency. For example,
a Cobra 15 Channel GMRS model would need to be tuned to Channel 11
in order to communicate with a 22 Channel GMRS tuned to Channel 15.
Please refer to the chart below for channel/ frequency number compatibility.
A = Channel No. for 22 Channel FRS/GMRS Models
B = Channel No. for 15 Channel GMRS Models
C = Type of Radio Service
D = Frequency in MHz
E = Power Output
AB C D E
1 1 FRS/GMRS 462.5625 High or Low
2 2 FRS/GMRS 462.5875 High or Low
3 3 FRS/GMRS 462.6125 High or Low
4 4 FRS/GMRS 462.6375 High or Low
5 5 FRS/GMRS 462.6625 High or Low
6 6 FRS/GMRS 462.6875 High or Low
7 7 FRS/GMRS 462.7125 High or Low
8 FRS 467.5625 Low
9 FRS 467.5875 Low
10 FRS 467.6125 Low
11 FRS 467.6375 Low
12 FRS 467.6625 Low
13 FRS 467.6875 Low
14 FRS 467.7125 Low
15 11 GMRS 462.5500 High or Low
16 8 GMRS 462.5750 High or Low
17 12 GMRS 462.6000 High or Low
18 9 GMRS 462.6250 High or Low
19 13 GMRS 462.6500 High or Low
20 10 GMRS 462.6750 High or Low
21 14 GMRS 462.7000 High or Low
22 15 GMRS 462.7250 High or Low
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IMPORTANT NOTICE: FCC LICENSE REQUIRED •
This two-way radio operates on GMRS (General Mobile Radio Service) frequencies
which require an FCC (Federal Communications Commission) license. A user must
be licensed prior to operating on Channels 1 through 7 on high power or 15
through 22, which comprise the GMRS channels of this radio. Serious penalties
could result for unlicensed use of GMRS channels, in violation of FCC rules.
Operation of this radio is subject to additional rules specified in 47 C.F.R. Part 95.
Licensed users will be issued a call sign by the FCC, which should be used for
station identification when operating this radio. GMRS users should also cooperate
by engaging in permissible transmissions only, avoiding channel interference with
other GMRS users, and being prudent with the length of their transmission time.
For licensing information and application forms, please call the FCC Hotline
at 800-418-FORM. Request form #159 and form #605. Questions regarding
the license application should be directed to the FCC at 888-CALL-FCC.
Additional information is available on the FCC’s website at www.fcc.gov.
Channel 1 through 7 on low power and channels 8 through 14 comprise the
FRS (Family Radio Service). No license is required to operate on the FRS.
Safety Information for microTALK Radios
Your wireless handheld portable transceiver contains a low power transmitter.
When the talk button is pushed, it sends out radio frequency (RF) signals.
The device is authorized to operate at a duty factor not to exceed 50%.
In August 1996, the Federal Communications Commissions (FCC) adopted
RF exposure guidelines with safety levels for handheld wireless devices.
Important
FCC RF Exposure Requirements: For body-worn operation, this radio has
been tested and meets the FCC RF exposure guidelines when used with Cobra
accessories supplied or designated for this product. Use of other accessories
may not ensure compliance with FCC RF exposure guidelines. Use only the
supplied antenna. Unauthorized antennas, modifications or attachments
could damage the transmitter and may violate FCC regulations.
Normal Position
Hold the transmitter approximately 2 inches from your face and
speak in a normal voice, with the antenna pointed up and away.
FCC Licensing and
Product Service Questions
22
Customer Assistance
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.
FCC Warnings: Replacement or substitution of transistors, regular diodes or
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, or violation of type acceptance requirements of part 2 of the rules.
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Introduction Operation
23
Product Service Questions •
If you have any questions about operation or installing
your new Cobra product, or if you need to order replacement
parts…
Please call Cobra first! DO NOT RETURN THIS PRODUCT
TO THE STORE! See customer assistance on page A1.
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
Cobrafactory. It will be necessary to furnish the following to have
the product serviced and returned.
1) For warranty repair include a copy of the original sales receipt.
If you send the original receipt, it cannot be returned.
2) Send the entire product.
3) Enclose a detailed description of the problem along with the name and
address of where the product 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 Priority Mail to avoid loss in
transit to Cobra Factory Service:
Cobra Electronics Corporation
6500 West Cortland Street
Chicago, Illinois 60707 U.S.A.
6) If the radio is under warranty, it will be repaired or exchanged
depending on the model.
Please allow approximately three to four 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. If you have any questions,
please call 773-889-3087 for assistance.
For Products Purchased Outside the U.S.A.
Please contact your local dealer for product service information.
Warranty
Customer Assistance
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24
Limited One-Year Warranty on Radio(s) & Charger •
For Products Purchased in the U.S.A.
Cobra Electronics Corporation warrants that its Cobra microTALK
radios and charger, and the component parts thereof, will be free of defects
in workmanship and materials for a period of one year from the date of
first consumer purchase. This warranty may be enforced by the first
consumer purchaser, provided that the product is utilized within the U.S.A.
Cobra will, without charge, repair or replace, at its option, defective
microTALK radios, chargers, products or component parts upon
delivery to the Cobra Factory Service department, accompanied by
proof of the date of first consumer purchase, such as a duplicated
copy of a sales receipt.
You must pay any initial shipping charges required to ship the product
for warranty service, but the return charges will be at Cobra’s expense,
if the product is repaired or replaced under warranty. This warranty gives
you specific legal rights, and you may also have other rights which may
vary from state to state.
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 shall not be liable for any incidental, consequential 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.
90-Day Warranty on Cobra Rechargeable Batteries
and Earbud Microphones
For products purchased in the U.S.A. and Canada.
Trademark Acknowledgement •
Cobra®, microTALK®, Nothing Comes Close to a Cobra®, VibrAlert®
and the snake design are registered trademarks of Cobra Electronics
Corporation, USA. Cobra Electronics Corporation™ is a trademark
of Cobra Electronics Corporation, USA.
Warranty Warranty and Trademarks
PR4500WX.qxd 9/1/06 3:43 PM Page 24
Nothing Comes Close to a Cobra®English
For more information or to
order any of our products,
please visit our website:
www.cobra.com
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