Cobra 29LTDCLASSIC Manual
Contents
How to Use Your
Cobra 29 LTD Classic
Features..................................................................................................1
The CB Story.........................................................................................A1
FCC Regulations
FCC Warnings
Included Accessories
Controls & Indicators.......................................................................A2
Our Thanks to You .............................................................................A3
Customer Support
Installation
Location .............................................................................................2
Mounting and Connection .........................................................2
Antennas
CB Antenna.......................................................................................6
Marine Installation .........................................................................6
Ignition Noise Interface .................................................................7
Operating Your 29 LTD Classic
Turning On Your CB........................................................................8
Setting Channel Selector .............................................................9
Calibrate For SWR (Standing Wave Ratio)..............................10
To Receive..........................................................................................13
Selecting a Channel.......................................................................14
S-Meter ...............................................................................................14
NB-ANL/ANL/Off (Noise Blanker/Automatic.........................15
Noise Limiter Switch)
Bright/Dim Switch ..........................................................................16
RF Gain Control................................................................................17
Setting Delta-Tune .........................................................................18
Setting Squelch ...............................................................................18
To Transmit........................................................................................20
Setting Dynamike...........................................................................20
Transmit..............................................................................................21
RF Meter .............................................................................................22
External Speaker .............................................................................23
PA (Public Address) ........................................................................24
Home And Office Set-Up .............................................................26
Temporary Mobile Set-Up ...........................................................27
How Your CB Can Serve You..........................................................28
A Few Rules You Should Know ..................................................28
Channel 9 Emergency Messages..............................................28
CB 10 Codes......................................................................................30
Frequency Ranges.............................................................................32
29 LTD Classic Specifications .......................................................33
Warranty Information .....................................................................34
Notes........................................................................................................35
Optional Accessories .......................................................................38
Order Form ...........................................................................................40
If You Think You Need Service ...................................Back Cover
Features of This Product
• 40 CB Radio Channels
• Heavy-Duty Dynamic
Microphone
• Full 4 Watts AM RF Power Output
• SWR Calibration Meter
• Instant Channel 9
• 4-Pin Microphone Connector
• Delta -Tune
• Switchable Automatic Noise
Limiter & Noise Blanker
• Adjustable Dynamike Boost
For Sales Information Please
Contact
RoadTrucker Inc
(www.RoadTrucker.com)
8312 Sidbury Rd.
Wilmington, NC 28411
(800) 507-0482 / (910) 686-4281
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
!
CAUTION: TO REDUCE THE RISK OF ELECTRIC
SHOCK DO NOT REMOVE COVER (OR BACK)
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL
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1
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
!
Installation
Location
Location
Plan location of transceiver and microphone
bracket before starting the installation.
Select a location that is convenient for operation,
yet does not interfere with the driver or passenger.
The transceiver is usually mounted to the underside of the dash with the microphone bracket
beside it.
Mounting and
Connection
Mounting and Connection
1
Hold the radio with the mounting bracket in
the exact desired location. If there is no interference, remove the bracket and use it as a
template to mark the location for the mounting screws.
2
Drill the holes and secure the bracket.
Note
The transceiver is held in the
universal mounting bracket by
two thumbscrews which allow
for adjustment at a convenient
angle.
The bracket includes two selftapping screws and star washers. The mounting must be
mechanically strong, conveniently located.
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Installation
DATE OF
MFG :JUNE 98
FCC ID:BBO3K229LTD
COBRA
MADE IN CHINA
ANT
PA.SP. EXT.SP.
+ POWER –
SERIAL NO.:806135776
PRECISION ENGINEERED PRODUCT OF
COBRA ELECTRONICS CORP. CHICAGO, ILL.60707
Note
Before installing the CB radio,
visually check the vehicle’s
battery connection to determine which terminal, positive
or negative, is grounded (positive is the larger of the two)
to the engine block (or chassis). A negatively grounded
vehicle has its negative lead
grounded to the chassis.
3
Connect the antenna cable plug to the receptacle marked “ANT” on the back of the unit.
Note
In positive ground vehicles the
red wire goes to the chassis and
the black wire is connected to
the ignition switch.
continued
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8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
Installation
Note
Connecting to an accessory fuse
prevents the unit from being left
on accidentally, and also permits operating the unit without
running the engine.
Note
In positive ground vehicles the
red wire goes to the chassis and
the black wire is connected to
the ignition switch.
4
In a negative grounded vehicle, connect the
red lead of the DC power cord to an accessory
12 volt fuse.
5
Connect the black lead to the negative side of
the vehicle. This is usually the chassis. Any convenient location with a good electrical contact
(remove paint) may be used.
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4
Installation
FCC ID:BBO3K229LTD
COBRA
ANT
PA.SP. EXT.SP.
+ POWER –
MADE IN CHINA
NEERED PRODUCT OF
. CHICAGO, ILL.60707
6
Plug power cable into back of unit marked
“Power”. Be sure to observe polarity markings.
7
Mount the microphone
bracket on either side of
the unit (driver’s left)
using two screws supplied. Bracket should be
placed under the dash
so microphone is readily
accessible.
SWR
2
3
CAL
RF
RF
SIG 1
VOLUME
OFF
8
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
C
+30dB
SQUELCH
RFGAIN
DYNAMIKE
MIN
MAX
MIN
D
MAX
Attach the 4-pin microphone cable to
receptacle, on side of unit and install unit on
bracket securely.
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Antennas
CB Antenna
CB Antenna
Since the maximum allowable power output of
the transmitter is limited by the FCC, the antenna
is critical in affecting transmission distance. Only
a properly matched antenna system will allow
Note
maximum power output. Cobra loaded type
For optimum performance in
antenna models are highly recommended for
passenger cars the ideal anten- most installations. Consult your Cobra dealer for
na location is on the center of
further details, or call 773.889.3087 and speak to
the roof. Second choice is on the a Cobra representative.
center of the trunk.
Note
Because many newer trucks
feature fiberglass door skins, the
outside mirror must be grounded to the chassis..
DATE OF
MFG :JUNE 98
FCC ID:BBO3K229LTD
COBRA
MADE IN CHINA
ANT
PA.SP. EXT.SP.
+ POWER –
SERIAL NO.:806135776
PRECISION ENGINEERED PRODUCT OF
COBRA ELECTRONICS CORP. CHICAGO, ILL.60707
Note
3-way Combination Antennas
are also available which allow
operation of all three bands
(AM-FM & CB), using a single
antenna. However, this type of
antenna usually results in less
than normal transmit and
receive range when compared
to a standard-type “Single
Band” CB antenna. Call 773889-3087 for further information.
1
A standard antenna connector is provided
on the transceiver for easy connection.
Marine Installation
The transceiver will not operate at maximum efficiency in a boat without a ground plate, (unless it
has a steel hull). Before attempting installation ,
consult your dealer for information regarding an
adequate grounding system and prevention of
electrolysis between fittings in the hull and water.
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6
Ignition Noise Interference
Use of a mobile receiver at low signal levels is
normally limited by the presence of electrical
noise. The primary source of noise in automobiles
is from the alternator and ignition system.
Typically, when signal level is adequate, the background noise does not present a serious problem.
Also, when extremely low level signals are being
received, the transceiver may be operated with
the vehicle’s engine turned off. The unit requires
very little current and therefore will not significantly discharge the vehicle’s battery.
Even though the Cobra 29 LTD Classic has an
automatic noise limiter, in some installations ignition interference may be high enough to make
good communications impossible. Many possibilities exist and variations between vehicles require
different solutions. Consult your COBRA dealer or
a 2-way radio technician for help in locating the
source of a severe noise.
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7
Operation
Turning On
Turning On
Make sure the power cord, antenna and microphone are connected to their proper connectors
before starting.
2
SWR
3
CAL
RF
SIG 1
3
5 79
VOLUME
SQUELCH
OFF
1
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
B
+30dB
PA
RFGAIN
DYNAMIKE
MIN
MAX
MIN
D
MAX
The CB/PA button should be in the
CB position.
R
SWR
2
3
CAL
RF
SIG 1
VOLUME
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
+30dB
SQUELCH
RFGAIN
DYNAMIKE
D E LTAT U N E
S
OFF
2
MIN
MAX
MIN
Rotate the On/Off Volume knob
a normal listening level.
MAX
clockwise to
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8
Operation
Setting Channel Selector
Setting Channel
Selector
RX/TX
NB/
ANL
ANL
OFF
CB
BRT
CH9
PA
DIM
NOR
RFGAIN
D E LTAT U N E
SWR CAL
AX
1
MIN
MAX
Select
one of forty channels and adjust
volume. The selected channel is indicated by
the LED readout directly above the channel
selector knob
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9
Operation
Calibrate For
SWR (Standing
Wave Ratio)
Calibrate for SWR (Standing Wave Ratio)
SWR calibration is done to properly adjust the
length of the antenna and to monitor the quality
of the coaxial cable and all RF connections.
This calibration is critical in order to achieve optimum performance.
RX/TX
NB/
ANL
ANL
S
OFF
Note
S
Antenna Indicator LED will
illuminate when TX if SWR is
high.
M
CB
BRT
CH9
PA
DIM
NOR
RFGAIN
E
D E LTAT U N E
SWR CAL
MAX
1
MIN
MAX
Select
SWR
channel 20.
2
3
CAL
RF
SIG 1
VOLUME
3
5 79
SQUELCH
OFF
2
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
B
+30dB
Switch to the
PA
RFGAIN
DYNAMIKE
MIN
MAX
MIN
D
MAX
CAL position.
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10
Operation
PUSH &
HOLD
Note
3
Calibration must be made in an
open area (never in a garage).
Vehicle doors must be closed.
No one should be standing near
the antenna. (See your antenna
directions for more complete
information).
Push and hold mic button.
RX/TX
NB/
ANL
ANL
OFF
CB
BRT
CH9
PA
DIM
NOR
RFGAIN
D E LTAT U N E
SWR CAL
AX
4
MIN
MAX
While holding mic
SWR 2
button adjust the
RF
SWR CAL knob so the
SIG 1
3
meter needle swings
to the CAL ▼ mark on
the meter (located on the right).
3
5 79
CAL
+30dB
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continued
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- (800) 507-0482 / (910) 686-4281
11
Operation
SWR
2
3
CAL
RF
SIG 1
VOLUME
Note
The reading will be slightly higher on Channels 1 and 40 compared to Channel 20.
Note
When switched to SWR position
the meter needle should ideally
be as far to the left as possible.
Anything over 3 is not acceptable. A slight antenna height
adjustment (higher or lower)
may be required. Repeat relcalibration steps.
OFF
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
B
+30dB
SQUELCH
DYNAMIKE
MIN
MAX
PA
RFGAIN
MIN
D
MAX
5
While still holding down the mic button, set
the S/RF SWR CAL switch to the SWR position,
to read the SWR reading.
6
Repeat the same steps two through five on
Channel 1 and 40. This will check SWR for all
channels.
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12
Operation
To Receive
To Receive
R
SWR
2
3
CAL
RF
SIG 1
VOLUME
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
+30dB
SQUELCH
DYNAMIKE
RFGAIN
D E LTAT U N E
S
OFF
1
MIN
MAX
MIN
MAX
Rotate the
On/Off Volume knob clockwise
the green RT/TX LED will be illuminated.
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13
Operation
Selecting A
Channel
Selecting A Channel
RX/TX
S
A
IN
S
BRT
CH9
DIM
NOR
D E LTAT U N E
SWR CAL
M
MAX
1
S-Meter
Switch to
NOR to select desired channel.
S-Meter
Swings proportionately to strength of incoming
signal when receiving.
SWR
2
3
CAL
RF
SIG 1
VOLUME
1
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
+30dB
SQUELCH
DYNAMIKE
The S/FR-SWR-CAL switch must be in the
S/RF position to read the meter.
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14
C
R
Operation
NB-ANL/ANL/OFF (Noise
Blanker/Automatic Noise Limiter) Switch
SWR
2
3
CAL
RF
SIG 1
VOLUME
OFF
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
B
PA
D
NB-ANL/ANL/
OFF (Noise
Blanker/
Automatic
Noise Limiter)
Switch
+30dB
SQUELCH
DYNAMIKE
MIN
MAX
RFGAIN
MIN
D
MAX
Note
1
When switched to ANL the Automatic Noise
Limiter is activated. This helps reduce noise
created by the vehicle’s electronics.
The RF noise blanker is very
effective in reducing repetitive
noises such as ignition interference.
When switched to NB/ANL position the RF
Noise Blanker is also activated, providing
increased noise filtration.
When switched to OFF position all noise
filtration will be turned off.
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15
Operation
Bright/Dim Switch
Bright/Dim
Switch
RX/TX
S
A
IN
S
BRT
CH9
DIM
NOR
D E LTAT U N E
SWR CAL
M
MAX
1
Switch to BRT or DIM to control brightness
of the channel indicator and multi-function
meter for day or nighttime driving.
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16
Operation
RF Gain Control
RF Gain Control
The RF Gain is used to optimize reception in
strong or weak signal areas.
R
SWR
2
3
CAL
RF
SIG 1
VOLUME
OFF
1
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
+30dB
SQUELCH
DYNAMIKE
MIN
MAX
RFGAIN
MIN
D E LTAT U N E
MAX
Note
The
RF Gain is used to optimize
S
reception in weak signal areas.
Turn counterclockwise to reduce
gain.
Rotate the
RF Gain knob counterclockwise
to reduce gain in strong signal areas. In weak
signal areas turn clockwise to increase gain.
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17
Operation
Setting DeltaTune
Setting Delta-Tune
Delta-Tune functions as a “fine tune” control
enabling you to capture a more readable signal,
as well as eliminate adjacent channel interference.
RX/TX
SWR
2
3
RF
SIG 1
3
5 79
VOLUME
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CAL
CB
BRT
CH9
PA
DIM
NOR
+30dB
DYNAMIKE
SQUELCH
RFGAIN
D E LTAT U N E
SWR CAL
F
MIN
1
Setting Squelch
MAX
MIN
MAX
Rotate
Delta-Tune knob to the center position for optimum tuning.
Setting Squelch
Squelch is the “control gate” for incoming signals.
Gate closed
RX
SWR
STRONG SIGNALS
2
3
CAL
RF
MEDIUM SIGNALS
WEAK SIGNALS
NOISE
G AT E C L O S E D
SIG 1
VOLUME
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
+30dB
SQUELCH
DYNAMIKE
RFGAIN
D E LTAT U N E
SW
OFF
1
MIN
MAX
MIN
MAX
Full
clockwise rotation closes the gate
allowing only very strong signals to enter.
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Operation
Gate open
RX/TX
2
SWR
3
CAL
RF
SIG 1
3
5 79
VOLUME
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
STRONG SIGNALS
+30dB
SQUELCH
RFGAIN
DYNAMIKE
D E LTAT U N E
S W R C ASIGNALS
L
MEDIUM
MAX
MIN
WEAK SIGNALS
MAX
Full
counterclockwise rotation opens the
“gate” allowing all signals in.
NOISE
RX/TX
SWR
2
3
CAL
RF
SIG 1
VOLUME
OFF
3
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
+30dB
SQUELCH
DYNAMIKE
MIN
MAX
RFGAIN
MIN
D E LTAT U N E
S W R C set
A L to Desired
Gate
Squelch Setting (DSS)
MAX
STRONG SIGNALS
To achieve the Desired Squelch Setting (DSS),
counterclockwise
turn the Squelch control
until you hear noise. Now turn the control
clockwise just until the noise stops. This is the
DSS setting.
MEDIUM SIGNALS
WEAK SIGNALS
NOISE
G AT E
2
MIN
G AT E
OPEN
OFF
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19
Operation
To Transmit
To Transmit
RX/TX
Caution!
SWR
2
3
CAL
S/RF
NB/
ANL
ANL
CB
SWR
Be sure the
is properly
SIG antenna
1
3 5 7 9 +30dB
PA
OFF
CAL
connected to the radio before
RFGAIN
DYNAMIKE
VOLUME
SQUELCH
transmitting. Prolonged transmitting without an antenna, or
a poorly matched antenna,
F
MAX MIN
MAX
couldO Fcause
damage to theM I N
transmitter.
BRT
CH9
DIM
NOR
D E LTAT U N E
SWR CAL
Be sure to read the F.C.C. Rules
and Regulations included with
this unit before transmitting.
1
Setting
Dynamike
Setting Dynamike
Select desired
channel.
This controls the microphone sensitivity
(outgoing audio level).
RX
SWR
2
3
CAL
RF
SIG 1
VOLUME
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
+30dB
SQUELCH
DYNAMIKE
RFGAIN
D E LTAT U N E
SW
OFF
1
MIN
MAX
MIN
MAX
Initially, set fully
clockwise so that maximum voice volume is available. Dynamike
may have to be reduced in some conditions.
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8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
Operation
Transmit
Transmit
PUSH &
HOLD
1
Push and hold mic button to transmit.
Transmitter is now activated. When transmitting, hold the microphone two inches from
your mouth and speak in a clear, normal voice.
Release to receive.
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21
Operation
RF Meter
RF Meter
This meter swings proportionately to the RF
output (outgoing signal) while transmitting.
SWR
2
3
CAL
RF
SIG 1
VOLUME
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
+30dB
SQUELCH
DYNAMIKE
PA
RFGAIN
The S/RF-SWR-CAL switch must be in the
S/RF
position.
OFF
MIN
MAX MIN
1
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22
MA
Operation
External Speaker
External Speaker
The external speaker jack is used for remote
receiver monitoring.
Note
ANT
ID:BBO3K229LTD
COBRA
ADE IN CHINA
PA.SP. EXT.SP.
+ POWER –
OF
GO, ILL.60707
1
Connect an external speaker to the external
speaker jack on the rear panel.
The external speaker should
have 8-ohm impedance and be
rated to handle at least 4.0
watts. When the external speaker is plugged in, the internal
speaker is automatically disconnected.
Note
Cobra external speakers are
rated at 10 watts.
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23
Operation
PA (Public
Address)
PA (Public Address)
Note
Speaker should have
8-ohm
DATE OF
MFG :JUNE 98
impedance and be rated to
handle at least 4.0 watts.
ANT
FCC ID:BBO3K229LTD
COBRA
PA.SP. EXT.SP.
+ POWER –
MADE IN CHINA
SERIAL NO.:806135776
PRECISION ENGINEERED PRODUCT OF
COBRA ELECTRONICS CORP. CHICAGO, ILL.60707
Note
The speaker should be directed
away from the microphone to
prevent acoustic feedback.
1
Note
Connect an external PA speaker to the PA jack
on the rear panel.
When the volume control is
rotated clockwise, activity on
the CB channel will be heard
through the PA speaker.
R
SWR
2
3
CAL
RF
SIG 1
VOLUME
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
+30dB
SQUELCH
DYNAMIKE
RFGAIN
D E LTAT U N E
S
OFF
2
Set
MIN
MAX
MIN
MAX
CB/PA switch to PA position.
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24
Operation
PUSH &
HOLD
3
Push and hold microphone button and speak
in a normal voice. Your voice will now transmit
on the PA speaker.
RX/TX
SWR
2
3
CAL
RF
SIG 1
VOLUME
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
+30dB
SQUELCH
DYNAMIKE
RFGAIN
D E LTAT U N E
SWR CAL
OFF
4
MIN
MAX
MIN
MAX
Adjust PA speaker volume with the
Dynamike control.
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25
Home And Office Set-Up
Base Station
Operation
(From 120V AC
House Current)
Base Station Operation
(From 120V AC House Current)
To operate your transceiver from home or office
you will need a 13.8 volt DC Power Pack rated at a
minimum of 2 amps, and a properly installed base
station antenna.
+
Warning!
Do not attempt to operate this
transceiver by connecting it
directly to 120 vac.
—
Note
For further information call
Cobra Customer Service
1.773.889.3087.
1
Simply connect the red (+) and black (-)
leads of the transceiver to the corresponding
terminals of the power pack.
For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
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26
E OF
:JUNE 98
Temporary Mobile Set-Up
ANT
FCC ID:BBO3K229LTD
COBRA
PA.SP. EXT.SP.
+ POWER –
MADE IN CHINA
:806135776
ENGINEERED PRODUCT OF
ECTRONICS CORP. CHICAGO, ILL.60707
2
Plug power cable into back of unit marked
“Power”. Be sure to observe polarity markings.
3
Connect properly installed and matched base
station antenna.
Temporary Mobile Operation
For temporary mobile operation you may want to
purchase an optional cigar lighter adapter from
your COBRA dealer. This adapter and a magnetic
mount antenna allow you to quickly “install” your
transceiver for temporary use.
DATE OF
MFG :JUNE 98
FCC ID:BBO3K229LTD
COBRA
MADE IN CHINA
ANT
Temporary
Mobile Set-Up
PA.SP. EXT.SP.
+ POWER –
SERIAL NO.:806135776
PRECISION ENGINEERED PRODUCT OF
COBRA ELECTRONICS CORP. CHICAGO, ILL.60707
For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
27
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
How Your CB Can Serve You
•
•
•
•
•
•
•
•
•
Warn of traffic problems
Provide weather and road data
Provide help in event of an emergency
Provide direct contact with home or office
Assist police by reporting erratic drivers
Get “local information” to find destination
Communicate with family and friends
Suggest spots to eat and sleep
Keep you alert while traveling
A Few Rules
You Should
Know
A Few Rules You Should Know
Channel 9
Emergency
Messages
1. Set to channel 9 for emergencies
Note
If no response on channel 9,
try channels 19 or 14.
A. Conversations cannot last more than 5 minutes
with another station. A one minute break is
required to let others use the channel.
B. You cannot blast others off the air by use of
illegally amplified transmitters or illegally
high antennas.
C. You cannot use CB to promote illegal activities.
D. Profanity is not allowed.
E. You may not transmit music with a CB.
F. Selling of merchandise and/or services is
prohibited.
Be sure antenna is properly connected.
2. CB Distress Data
When transmitting an emergency, you should
request a “REACT BASE” and provide the CB
distress data (called CLIP):
C
L
I
P
all Sign
ocation
njuries
roblem
Identify yourself.
Be exact.
Number. Type. Trapped?
Give details and help needed.
Transmit CLIP repeatedly so any monitor can assist.
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28
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
How Your CB Can Serve You
The FCC gives these examples of permitted and
prohibited messages for channel 9. These are
only guidelines and not all-inclusive:
Permitted
Example Message
Yes
“Tornado sighted six miles north
of town.”
“Post number 10.
No tornado sighted.”
No
Yes
No
Yes
No
Yes
No
Yes
No
“Out of gas on I-95 at mile
marker 211.”
“Out of gas in my driveway.”
“Four car accident on I-94 at
Exit 11. Send police and
ambulance.”
“Traffic moving smoothly on I-94.”
“Weather Bureau has issued
thunderstorm warning.
Bring sailboat into port.”
“Attention motorists.
Weather Bureau advises snow
tomorrow will accumulate
4 to 6 inches.”
“Fire in building at 539 Main,
Evanston.”
“Halloween patrol number 3.
All quiet.”
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29
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
How Your CB Can Serve You
CB 10-Codes
CB 10-Codes
Citizen Bands have adopted the “10-CODES” for
standard questions and answers. These codes
provide quick and easy communication, especially
in noisy areas. Following are some of the more
common codes and meanings:
Code
10-1
10-2
10-3
10-4
10-5
10-6
10-7
10-8
10-9
10-10
10-11
10-12
10-13
10-16
10-17
10-18
10-19
10-20
10-21
10-22
10-23
10-24
10-25
10-26
10-27
10-28
Meaning
Receiving poorly
Receiving well
Stop transmitting
OK, message received
Relay message
Busy, stand by
Out of service, leaving
In service, subject to call
Repeat message
Transmission completed standing by
Talking too rapidly
Visitors present
Advise weather/roads
Make pick up at
Urgent business
Anything for us?
Return to base
My location is
Call by phone
Report in person to
Stand by
Completed last assignment
Can you contact
Disregard last info
Moving to channel
Identify your station
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How Your CB Can Serve You
Code
10-29
10-30
10-33
10-34
10-35
10-36
10-37
10-38
10-39
10-41
10-42
10-43
10-44
10-45
10-50
10-60
10-62
10-63
10-64
10-65
10-67
10-70
10-71
10-77
10-81
10-82
10-85
10-91
10-93
10-94
10-99
10-200
Meaning
Time is up for contact
Does not conform to FCC rules
Emergency traffic
Trouble at this station
Confidential information
Correct time is
Wrecker needed at
Ambulance needed
Message delivered
Turn to channel
Traffic accident at
Traffic tie up at
Have a message for
All units within range please report
Break channel
What is next message number?
Unable to copy. Use phone
Net directed to
Net clear
Awaiting your next message/assignment
All units comply
Fire at
Proceed, transmission in sequence
Negative contact
Reserve hotel room for
Reserve room for
My address is
Talk closer to mic
Check my frequency on this channel
Give me a long count
Mission completed, all units secure
Police needed at
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31
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
Frequency Ranges
The COBRA 29 LTD Classic transceiver represents
one of the most advanced AM two-way radios used
as a Class D station in the Citizens Radio Service.
This unit features advanced Phase Lock Loop (PLL)
circuitry providing complete coverage of all 40 CB
channels.
Channel
Channel
CB
Freq.
CB
Freq.
Channel In MHz Channel In MHz
1
2
3
4
5
26.965
26.975
26.985
27.005
27.015
21
22
23
24
25
27.215
27.225
27.255
27.235
27.245
6
7
8
9
10
27.025
27.035
27.055
27.065
27.075
26
27
28
29
30
27.265
27.275
27.285
27.295
27.305
11
12
13
14
15
27.085
27.105
27.115
27.125
27.135
31
32
33
34
35
27.315
27.325
27.335
27.345
27.355
16
17
18
19
20
27.155
27.165
27.175
27.185
27.205
36
37
38
39
40
27.365
27.375
27.385
27.395
27.405
For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
32
29 LTD Classic Specifications
GENERAL
CHANNELS . . . . . . . . . . . . . . . . . . . . . . . . CB - 40 CH
FREQUENCY RANGE. . . . . . . . . . . . . . . . CB - 26.965 TO 27.405 MHZ
FREQUENCY TOLERANCE . . . . . . . . . . . 0.005 %
FREQUENCY CONTROL . . . . . . . . . . . . PLL (PHASE LOCK LOOP) SYNTHESIZER
OPERATING TEMPERATURE
RANGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30° C TO + 50° C
MICROPHONE . . . . . . . . . . . . . . . . . . . . . PLUG-IN DYNAMIC
INPUT VOLTAGE . . . . . . . . . . . . . . . . . . . 13.8VDC nom. (positive or negative ground)
CURRENT DRAIN
TRANSMIT: AM FULL MOD., 1.5A
(MAXIMUM) RECEIVE: SQUELCHED, 0.3A;
FULL AUDIO OUTPUT, 1.2A (NOMINAL)
SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-5/8” D X 7-9/32”W X 2-13/63” H
WEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 LBS.
ANTENNA CONNECTOR . . . . . . . . . . . .UHF; SO-239
METER . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ILLUMINATED; INDICATES RELATIVE
POWER OUTPUT AND RECEIVED
SIGNAL STRENGTH
TRANSMITTER
POWER OUTPUT . . . . . . . . . . . . . . . . . . .4 WATTS
MODULATION . . . . . . . . . . . . . . . . . . . . .AM (AMPLITUDE MODULATION)
FREQUENCY RESPONSE . . . . . . . . . . . .300 TO 3000 HZ
OUTPUT IMPEDANCE . . . . . . . . . . . . . . .50 OHMS, UNBALANCED
RECEIVER
SENSITIVITY . . . . . . . . . . . . . . . . . . . . . . . .LESS THAN 1 µV FOR 10DB (S+N) /N
SELECTIVITY . . . . . . . . . . . . . . . . . . . . . . .6 DB @ 7 KHZ, 60 DB @ 10KHZ
IMAGE REJECTION . . . . . . . . . . . . . . . . . .80 DB, TYPICAL
ADJACENT-CHANNEL REJECTION . . .60 DB, TYPICAL
IF FREQUENCIES . . . . . . . . . . . . . . . . . . .DOUBLE CONVERSION: 1ST: 10.695 MHZ
2ND: 455 KHZ
AUTOMATIC GAIN CONTROL (AGC) .LESS THAN 10 DB CHANGE IN AUDIO
OUTPUT FOR INPUTS FROM 10 TO 50,000
MICROVOLTS
RF GAIN CONTROL . . . . . . . . . . . . . . . . .ADJUSTABLE FOR OPTIMUM SIGNAL
RECEPTION
NOISE BLANKER . . . . . . . . . . . . . . . . . . . .RF TYPE
SQUELCH . . . . . . . . . . . . . . . . . . . . . . . . . .ADJUSTABLE;THRESHOLD LESS THAN 1µV
AUDIO OUTPUT POWER . . . . . . . . . . . .4 WATTS
FREQUENCY RESPONSE . . . . . . . . . . . .300 TO 3000 HZ
DISTORTION . . . . . . . . . . . . . . . . . . . . . . .LESS THAN 5% @3 WATTS @ 1000 HZ
BUILT-IN SPEAKER . . . . . . . . . . . . . . . . . .8 OHMS, 5W
EXTERNAL SPEAKER (NOT SUPPLIED) .8 OHMS; DISABLES INTERNAL SPEAKER
WHEN CONNECTED
PA SYSTEM
POWER OUTPUT . . . . . . . . . . . . . . . . . . .4 WATTS INTO EXTERNAL SPEAKER
EXTERNAL SPEAKER FOR PA . . . . . . . .8 OHMS, WHEN PA-CB SWITCH IS IN PA,
(NOT SUPPLIED) . . . . . . . . . . . . . . . . . . .THE PA SPEAKER ALSO MONITORS THE
RECEIVER; SEPARATE JACK PROVIDED
(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)
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33
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
RF
Wa
ar rra
nty
2 Ye
Limited Two Year Warranty
QUALITY SEAL
Cobra Electronics
Corporation
6500 West Cortland Street
Chicago, Illinois 60707
COBRA ELECTRONICS CORPORATION warrants that its
COBRA CB Radios, and the component parts thereof, will
be free of defects in workmanship and materials for period
of two (2) years 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 CB radios, 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.
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 Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
34
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
Optional Accessories
Replacement DC Power Cord
For in vehicle use
426-002-N-001
$7.50
Replacement Mounting
Bracket
For in vehicle use
251-353-9-001
$4.50
Replacement Thumb Screws
For in vehicle use
634-081-9-001
$0.60
Replacement Microphone
Bracket
For in vehicle use
741-080-9-001
$0.45
28” Full Range Center Load,
Magnetic Mount Antenna
For in vehicle use
AT 35
$19.95
25” Glass Mount Antenna
For in vehicle use
AT 55
$27.95
39” Full Range Base Load,
Magnetic Mount Antenna
For in vehicle use
AT 70
$24.95
44” Full Rnage, Center Load,
Dual Band CB/WX Antenna
Allows greater transmission
range while in a moving vehicle.
ATW-400
$27.95
Replacement Dynamic
Microphone
For in vehicle use
CA 73
$12.95
For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
38
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
Optional Accessories
NOISE CANCELLING AND TALK BACK VOLUME
CS-500
NOISE CANCELLING AND TALK BACK VOLUME
NOISE CANCELLING
Power Microphone
CS-300For in vehicle use
CA 75
CS-500
$21.95
Noise Canceling/Power
Microphone
For in vehicle use
CA 77
$24.95
Echo/Noise Canceling
Microphone
For in vehicle use
CA 79
$59.95
NOISE CANCELLING AND TALK BACK VOLUME
NOISE CANCELLING
CS-100
CS-300
Dynamic External Speaker
For in vehicle use
CS 100
$14.95
CS-500
Noise Canceling External
Speaker
For in vehicle use
CS-100
CS 300
$19.95
Dynamic Noise Canceling
With Talk Back External
Speaker
For in vehicle use
CS-300
CS 500
$24.95
NOISE CANCELLING
You Can Find These Fine Accessories At Your Local
Cobra CB Dealer
If you wish, you can order directly from Cobra.
CS-100
Order by phone
Call 1.773.889.3087
(Press 1 from the main menu) 8 a.m.-8 p.m. M-F CST.
Order by mail or fax
Please fill out order form on next page, and mail/fax directly
to Cobra.
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39
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
Accessory Order Form
Item #
Description
Cost Ea.
426-002-N-001
251-353-9-001
634-081-9-001
741-080-9-001
AT 35
Replacement DC Power Cord
Replacement Mounting Bracket
Replacement Thumb Screws
Replacement Microphone Bracket
28” Full Range Center Load,
Magnetic Mount Antenna
25” Glass Mount Antenna
39” Full Range Base Load,
Magnetic Mount Antenna
44” Full Range, Center Load,
Dual Band CB/WX Antenna
Replacement Dynamic Microphone
Power Microphone
Noise Canceling/Power Microphone
Echo/Noise Canceling Microphone
Dynamic External Speaker
Noise Canceling External Speaker
Dynamic Noise Canceling
With Talk Back External Speaker
$7.50
$4.50
$0.60
$0.45
AT 55
AT 70
ATW 400
Shipping & Handling
Amount of
Shipping/
Order
Handling
$25.00 and under $4.75 minimum
$25.01-$40.00
$6.95
$40.01-$80.00
$9.00
$80.01-$120.00 $10.00
$120.01-$160.00 $11.50
$160.01 and up $14.25
For AK, HI and PR please add
an additional $15.00 for UPS
shipments.
CA 73
CA 75
CA 77
CA79
CS 100
CS 300
CS 500
Qty. Amount
$19.95
$27.95
$24.95
$27.95
$12.95
$21.95
$24.95
$59.95
$14.95
$19.95
$24.95
Prices subject to change without notice. Subtotal
(Tax if applicable)
Shipping/handling
Total
Tax Table
Illinois residents add 7%
Michigan residents add 4 %
Cook Co. residents add .75% (7.75% total) Ohio residents add 6%
Chicago residents add 1% (8.75% total) Wisconsin residents add 5%
Indiana residents add 5%
For credit card orders fill out order form
and fax to: 1.773.622.2269
or call 1.773.889.3087
(Press 1 from the main menu)
Please print clearly
8:00 am - 8:00 pm, M-F, CST.
Make check or money order (no stamps)
payable to:
Cobra Accessories Dept.
6500 West Cortland St. Chicago, IL 60707
Name
Address (No P.O. Box)
City
State
Zip
Telephone (
)
Credit Card No.
Exp. Date
Customer Signature
Circle One: Visa MasterCard Discover
Allow 4 to 6 weeks for delivery. Offer valid in Continental U.S. only.
For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
40
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
Cobra Electronics Corporation
6500 West Cortland Street
Chicago, IL 60707
If You Think You Need Service
For technical assistance, please call our Automated Help Desk which can assist
you by answering the most frequently asked questions about Cobra products.
(773) 889-3087
24 hours a day, 7 days a week.
A Consumer Service Representative can be reached through this same number 8:00 am -
8:00 pm, Monday through Friday, CST.
Technical assistance is also available on-line in the Frequently Asked Questions (FAQ) section
at www.cobraelec.com or by e-mail to [email protected]
If you think you need service call 1.773.889.3087
“If your product should require factory service please call Cobra first before sending your unit in.
This will ensure the fastest turn-around time on your repair.”
You may be asked to send your unit to the Cobra factory. It will be necessary to furnish the following in order 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 or 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 unit. Include a typed or clearly print name
and address of where the unit is to be returned.
4. Pack unit 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
W. Cortland St., Chicago, IL 60707.
6. If the unit is in warranty, upon receipt of your unit it will either be repaired or exchanged
depending on the model. Please allow approximately 3 to 4 weeks before contacting us for
status. If the unit 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 1.773.889.3087 for
assistance.
Cobra Electronics Corp.© 1999
Printed in Thailand
For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
Part No. 545-024-N-001
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
29 LTD Classic
Operating Instructions
for your Cobra 29 LTD Classic
CB Radio
“Ingenious
Products
for EasierPlease
Communication.”
For Sales
Information
Contact RoadTrucker Inc (www.RoadTrucker.com)
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
The CB Story
The Citizens Band lies between the shortwave
broadcast and 10-meter Amateur radio bands,
and was established by law in 1949. The Class D
two-way communications service was opened in
1959. (CB also includes a Class A citizens band
and Class C remote control frequencies.)
2
1
RX/TX
SWR
2
3
CAL
RF
RF
SIG 1
VOLUME
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CB
BRT
CH9
PA
DIM
NOR
+30dB
SQUELCH
DYNAMIKE
RFGAIN
D E LTAT U N E
FCC Regulations
FCC regulations permit only “transmissions”
(one party to another) rather than “broadcasts”
(to a wide audience). Thus, advertising is not
allowed on CB Channels because that is “broadcasting.”
SWR CAL
OFF
MIN
MAX
MIN
MAX
All transmitter adjustments other than those
supplied by the manufacturer as front panel
operating controls, must be made by, or under
the supervision of, the holder of an FCC-issued
general Radio-Telephone Operator’s License.
3
cb tranceiver
4
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 violation of the technical regulations
of Part 95 of the FCC Rules, or violation of Type
Acceptance requirements of Part 2 of the Rules.
You should read and understand Part 95 (included
with this unit) of the FCC Rules and Regulations,
before operating your Cobra radio, even though
the FCC no longer requires you to obtain an operator’s license.
What’s Included with Your 29 LTD Classic
5
1.
2.
3.
4.
5.
CB transceiver
Microphone
Transceiver bracket
Microphone bracket
Operating Manual
6. DC power cord
7. FCC rules
1. (not shown)
For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
A1
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
Controls and Indicators
1. Power On/Off,Volume Control
2. Squelch Control
17
3. Dynamike
4. RF Gain
5. Delta-Tune
6. SWR CAL
7. Channel Selector
8. LED Channel Display
9. ANT Indicator
10. RX (Receive)/ TX (Transmit)
LED Indicator
11. Channel 9/ Normal Switch
12. Dimmer Switch
15 14 13 12 11 10
RX/TX
13. CB/PA Switch
SWR
16
14. NB/ANL ANL Off Switch
2
3
RF
RF
SIG 1
VOLUME
3
5 79
SWR
NB/
ANL
ANL
CAL
OFF
S/RF
CAL
CB
BRT
CH9
PA
DIM
NOR
SQUELCH
DYNAMIKE
RFGAIN
8
9
+30dB
D E LTAT U N E
SWR CAL
15. S/RF SWR CAL Switch
16. Signal Strength Meter
MIN
OFF
17. Microphone
1
2
MAX
3
MIN
MAX
4
5
6
7
Back Side
18. Public Address Speaker
Jack
18
19
19. External Speaker Jack
20. Antenna Connector
DATE OF
MFG :JUNE 98
FCC ID:BBO3K229LTD
COBRA
ANT
PA.SP. EXT.SP.
+ POWER –
MADE IN CHINA
21. Power Jack
SERIAL NO.:806135776
PRECISION ENGINEERED PRODUCT OF
COBRA ELECTRONICS CORP. CHICAGO, ILL.60707
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21
For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
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Our Thanks to You
Thank you for purchasing the Cobra 29 LTD
Classic CB Radio. Properly used, this Cobra product will give you many years of reliable service.
Customer Support
Should you encounter any problems with the
product or not understand its many features,
please refer to this owner’s manual. If , after
referring to the manual, you still need help,
call Cobra Customer Service at 773.889.3087.
Cobra Customer Service
Live operators are available
M-F 8:00 am - 8:00 pm CST at:
773.889.3087
Automated Technical Assistance
available 24 hours a day, seven
days a week. E-mail questions
to:
[email protected]
Cobra on the World Wide Web:
Frequently Asked Questions
(FAQ) can be found on-line at:
www.cobraelec.com
For Sales Information Please Contact
RoadTrucker Inc (www.RoadTrucker.com)
8312 Sidbury Rd.
Wilmington, NC 28411
(800) 507-0482 / (910) 686-4281
For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com)
8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281
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