Cobra Electronics 18WXSTII Non-Broadcast Transmitter (CB) User Manual users manual

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Document Author:	Jim

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Page 1
How to Use Your
Cobra 18WXST II
Contents
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
The CB Story . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1
Licensing/Warning/Included Accessories. . . . . . . A1
Controls and Indicators . . . . . . . . . . . . . . . . . . . . . . . A2
Our Thanks to You. . . . . . . . . . . . . . . . . . . . . . . . . . . . . A3
Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . A3
Operating Your CB Mobile Radio
Installation/Connection. . . . . . . . . . . . . . . . . . . . . . . . . . 2
Turning On. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CB Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Microphone Connector . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Squelch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Setting Squelch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Channel Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Channel 9/19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
CB/Weather. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Dual Watch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Scan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Soundtracker System . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Activating Soundtracker System. . . . . . . . . . . . . . . . . 11
S/RF Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
RX/TX Indicator LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Antenna Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
External Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Ignition Noise Interference . . . . . . . . . . . . . . . . . . . . . . 14
Temporary Mobile Operation. . . . . . . . . . . . . . . . . . . . 14
Operation to Receive/Transmit . . . . . . . . . . . . . . . . . . 15
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Frequency Ranges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
If You Think You Need Service . . . . . . . . . Back Cover
Features of This Product
• 40 CB Radio Channels
• 10 Weather Channels
• SoundtrackerTMSystem
• Instant Channel 19 and 9
• 40 Channel Scan
• Dual Watch
• Front Firing Speaker
• Channel Saver Circuitry
• Dynamic Microphone
• 9 Foot Mic Cord
• Front Panel Microphone
Connector
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Installation
peration
Installation
Operation
Mounting and Connections
Select a location for the transceiver and microphone bracket that is convenient for operation.
In automobiles, the transceiver is usually mounted
to the underneath of the dash panel, with the
microphone bracket beside it.
1Hold the radio with mounting bracket in the
exact location desired. Remove the mounting
bracket and use it as a template to mark the
location for the mounting screws.
Mounting and
Connections
Note
The transceiver is held in the
universal mounting bracket by
two thumb screws, permitting
adjustment at the most convenient angle.
A universal mounting bracket
is supplied along with self tapping screws and star washers.
To mount the transceiver:
4 Connect the red lead of DC power cord to an
accessory 12 volt fuse.
5 Connect the orange lead to a constant 12v fuse
(ie:cigarette lighter or direct to battery)
6 Connect the black lead to the negative side of
the automobile.This is usually the chassis. Any
convenient location with good electrical contact
(remove paint) may be used.
Mounting and
Connections
Note
Before installing the CB radio,
visually check the vehicle battery connections to determine
which battery terminal, positive or negative (positive is the
larger of the two) is grounded
to the engine block
(or chassis).
CB Transceiver
2Drill necessary holes and secure mounting
bracket in location.
3Connect the antenna cable plug to the receptacle marked “ANT”on the back of the unit.
7 Mount the microphone bracket on right side of
the transceiver or near it using two screws supplied.When mounting in an automobile, place
the bracket under the dash so the microphone
is readily accessible.
8 Attach the 4-pin microphone cable to receptacle on front of unit and install unit in bracketsecurely.
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Operation
Operation
Turning on
Your Radio
Turning on
Turn volume control clockwise to turn power on
and set the desired listening volume.
CB Antenna
CB Antenna
Only a properly matched antenna system will
allow maximum power output.
In mobile installations (cars, trucks, boats, etc.),
an antenna system that is non-directional should
be used.
When installed in a boat, the transceiver will not
operate at maximum efficiency without a ground
plate unless the vessel has a steel hull. Before
installing the transceiver in a boat, consult your
dealer for information regarding an adequate
grounding system.
Note
Cobra loaded-type antenna
models HGA 1000,HGA 1500,
and HGA 2000 are highly recommended for most installations. Consult your Cobra dealer for further details (or see
order form at the back of
this book).
3-Way Combination Antennas
are available which allow operation of all three bands (AM-FM
& CB), using a single antenna.
However,use of this type of
antenna usually results in less
than normal transmit and
receive range when compared
to a standard-type "Single
Band" antenna designed for
CB only.
Microphone Connector
Allows for convenient removal of the microphone
plug when storage is required.The microphone
MUST be connected to the unit at all times when in
use, for proper operation.
Squelch
This control is used to cut off or eliminate receiver
background noise in the absence of an incoming
signal. Adjust until the receiver noise disappears.
This will require the incoming signal to be slightly
stronger than average receiver noise. Further clockwise rotation will increase the threshold level
which a signal must overcome in order to be heard.
Only strong signals will be heard at a maximum
clockwise setting.
Microphone
Connector
Squelch
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Operation
Operation
Setting
Squelch
Setting Squelch
Squelch is the “control gate” for incoming signals.
Gate closed
1. Full clockwise rotation closes the gate
allowing only very strong signals to enter.
3. To achieve the Desired Squelch Setting (DSS),
turn the Squelch control counterclockwise until
you hear noise. Now turn the control clockwise
just until the noise stops. This is the DSS setting.
Gate set to Desired
Squelch Setting (DSS)
2. Full counterclockwise rotation opens the “gate”
allowing all signals in.
Gate open
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Operation
Operation
Set CB or WX Mode
Set on CB mode. Rotate channel knob clockwise
until desired channel is displayed.
Channel
Selection
Dual Watch
This features allows the user to scan between two
selected channels.
1. Select first channel, CB mode.
Dual Watch
Note
The radio needs to be
squelched before DW can
monitor both channels.
PRESS AND HOLD
Channel 9/
Channel 19
Channel 9/Channel 19
Press CH 9/19 to obtain instant access to emergency
channel 9. Press again for information CH 19.
PRESS AND RELEASE
CB Weather
CB/Weather
CB mode is for normal CB operation.Press
CB/Weather again and select active Weather channel
in your area.
2. Press and hold DW until LED begins flashing and
beeps once.
3. Select second channel. Press DW until LED lights
steady and radio beeps twice. Two channels are
now stored in DW memory.
Scan
Press and release SCAN button to activate CB scan
mode. If the radio is squelched, radio begins to scan.
Scan
Note
PRESS AND RELEASE
On some channels squelch
setting might have to be re-set.
When scan is interrupted by a signal, scan stops and
holds until loss of signal.Press PTT on mic to stop
scan function. Press Scan to restart CB scan.
PRESS AND RELEASE
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Operation
Operation
Soundtracker
System
The SoundTracker System reduces noise while
leaving the signal intact in the reception mode.
In the transmission mode, it strengthens the signal,providing you with a significant reduction in
noise on reception and transmission.
How SoundTracker works
On Reception–“Cuts Noise Coming In”
With a normal CB, distant signals fall below the
squelch level and are unintelligible. With a
SoundTracker CB, the noise level is cut by up to
90%,which increases the signal-to-noise ratio
and dramatically improves signal clarity. This also
allows you to significantly reduce the squelch
level,which greatly expands your listening range.
Activating Soundtracker
1. Press the SoundTracker button on the upper
left side of front panel.A red indicator will
illuminate when the SoundTracker system is
engaged.
Activating
Soundtracker
PUSH AND RELEASE
On Transmission–“Strengthens Signals Going Out”
A SoundTracker CB strengthens the transmit signal by more effectively using the available RF
power output of the CB. The result is improved
transmission signal clarity and an expanded
transmission range.
USPat. No. 6,038,429
10
11
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Operation
Operation
S/RF Power Meter
Shows relative transmitter RF output power and
input signal strength when receiving.The LED
(Light Emitting Diode) segments glow green to
amber to red...this indicates receive or transmit
activity.
S/RF
PowerMeter
RX/TX
Indicator LED
RX/TX Indicator LED
RX indicator will light when in the receive mode.
TX indicator lights when in transmit mode.
Rear Panel
Antenna Connector. This female connector permits connection of the transmission line cable
male connector to the transceiver.
Antenna
Connector
External Speaker. The External Speaker Jack is
used for an external speaker.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.
External
Speaker
Power: This cable is permanently attached to the
radio. If you wish to remove the radio after installation,disconnect at fuse holder and ground
connector.
Power
Note
Cobra external speakers are
rated 15 watts
When weather channel is selected,WX indicator is
illuminated, and the channel is displayed.
12
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Operation
Operation
Ignition Noise Interference
Use of a mobile receiver at low signal levels is normally limited by the presence of electrical noise.
Under most operating conditions, 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 vehicle engine turned off.
The unit requires very little current and therefore
will not significantly discharge the vehicle battery.
Even though this radio has an automatic noise limiter, in some installations ignition interference may
be high enough to make good communications
impossible.Consult your COBRA dealer or a 2-way
radio technician for help in locating and correcting
the source of severe noise.
Ignition Noise
Interference
Note
When using the unit with cigarette adapter, turn off when
not in use to avoid draining
the battery.
Temporary
Mobile
Operation
Temporary Mobile Operation
For temporary mobile operation, you may want to
purchase an additional cigarette lighter adapter
from your COBRA dealer.This adapter and a magnetic mount antenna allow you to quickly "install"
your transceiver for temporary use.
Note
Red and Orange wires are connected to positive side of socket
center tip. Black wire is connected to negative side contacts.
Note
Operating Procedure to Receive
1. Be sure that power cord, antenna and microphone are connected to the
proper connectors before proceeding further. The weather switch should
be in the "CB" position.
2. Turn the radio ON by rotating the VOLUME CONTROL clockwise.
3. Rotate SQUELCH CONTROL counterclockwise until incoming signal is
heard.
4. Select the desired channel.
5. Set VOLUME CONTROL to a comfortable listening level.
6. Engage the SoundTracker system by depressing the button labeled ST.
Listen to the background noise from the speaker. Turn the SQUELCH CONTROL slowly clockwise until the noise JUST disappears (no signal should be
present). Leave the control at this setting.The squelch is now properly
adjusted. The receiver will remain quiet until a signal is actually received. Do
not advance the control too far, or some of the weaker signals will not be
heard. The revolutionary SoundTracker system allows you to reduce
unwanted background noise (static) and increase the signal for better
reception.
Operating Procedure to Transmit
1. Select the desired channel.
2. The receiver and transmitter are controlled by the press-to-talk switch on
the microphone. Press the switch and the transmitter is activated; release
switch to receive. When transmitting (on a clear channel),hold the microphone two inches from the mouth and speak clearly in a normal voice.
Be sure the antenna is properly connected to the radio before transmitting. Prolonged transmitting without an antenna,or a poorly matched
antenna, could cause damage to the transmitter.
Radio resets to CH 9 when connected to cigarette lighter plug.
14
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Maintenance
Maintenance and Adjustment
Your COBRA CB transceiver is specifically
designed for the environment encountered in
mobile installations. The use of all solid state circuitry and its light weight result in high reliability. Should a failure occur, however, review the following, then if necessary, replace parts only with
identical parts. Do not substitute.
1. Check connections to the source of power and
make sure it is the 13.8 VDC required to operate your radio.
2. Check the fuses in the DC power cord. The
main power lead (red & orange wire) has a 2
amp 3AG type fuse in its holder. Use only the
above specified type and size fuse for maximum protection. Failure to do so, will void the
warranty.
3. Make certain the microphone is properly
plugged in.
4. Make certain the antenna is properly assembled and connected.
If you are unable to correct the problem, refer to
the SERVICE INSTRUCTIONS at the end of this
manual for the correct procedure for warranty
and post-warranty service from COBRA.
Maintenance/
Adjustment
Warning
Replacement Warning
Replacement or substitution of certain parts with
replacements other than those recommended by
Cobra may be a violation of the technical regulations of Part 95 of the FCC rules, or of Type
Acceptance requirements of Part 2 of said rules.
When making adjustments, be sure to re-read
applicable portions of this instruction manual to
make certain you are following correct procedure
and that the radio was properly installed, etc.
A Few Rules That Should Be Obeyed
A Few Rules
You Should
Know
1. You are not allowed to carry on a conversation with
another station for more than five minutes at a time without taking a one-minute break to give others a chance to
use the channel.
2. You are not allowed to blast others off the air by overpowering them with illegally amplified transmitter power or
illegally high antennas.
3. You can't use CB to promote illegal activities .
4. You are not allowed to use profanity.
5. You may not play music in your CB.
6. You may not use your CB to sell merchandise or profes sional service.
Channel 9
Emergency
Messages
Use Channel 9 For Emergency Messages Only
The FCC gives the following examples of permitted and prohibited types of communications for
use on Channel 9. These are guidelines and are
not intended to be all-inclusive.
Permitted: "A tornado sighted six miles of town."
Not Permitted : "This is observation post number 10.
No tornado sighted."
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Specifications
Frequency Ranges
Accessories
The COBRA 18 WX ST II 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 and all 10
weather channels as shown below.
Specifications
GENERAL
CHANNELS. . . . . . . . . . . . . . . . . . . . . . . CB - 40 CH
WEATHER – 10CH
FREQUENCY RANGE. . . . . . . . . . . . . . . CB - 26.965 TO 27.405 MHZ
WEATHER – 161.650 TO 163.275
FREQUENCY TOLERANCE. . . . . . . . . . 0.005 %
FREQUENCY CONTROL . . . . . . . . . . . . PLL (PHASE LOCK LOOP) SYNTHESIZER
OPERATING TEMPERATURE
RANGE. . . . . . . . . . . . . . . . . . . . . . . . . . . -30° C TO + 65° C
MICROPHONE . . . . . . . . . . . . . . . . . . . . PLUG-IN DYNAMIC
INPUT VOLTAGE . . . . . . . . . . . . . . . . . . 13.8VDC nom.(negative ground)
CURRENT DRAIN
TRANSMIT: AM FULL MOD.,1.4A (MAXIMUM)
RECEIVE:SQUELCHED, 0.9 A;
FULL AUDIO OUTPUT, 1.2A (NOMINAL)
SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7/8”D X 6-3/4”W X 1-7/8” H
WEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . .4.25 LBS.
ANTENNA CONNECTOR . . . . . . . . . . . .UHF; SO-239
METER . . . . . . . . . . . . . . . . . . . . . . . . . . .LED;INDICATES RELATIVE POWER
OUTPUT AND RECEIVED SIGNAL STRENGTH
Channel
Channel
CB
Freq.
CB
Freq.
Channel In MHz Channel In MHz
Weather
Weather Freq.
Channel In MHz
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
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
10
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
RECEIVER
SENSITIVITY . . . . . . . . . . . . . . . . . . . . . . .LESS THAN 1 µV FOR 10dB (S+N)
SELECTIVITY . . . . . . . . . . . . . . . . . . . . . .6 dB @ 7 KHZ,60 DB @ 10KHZ
IMAGE REJECTION . . . . . . . . . . . . . . . . .60 dB, TYPICAL
ADJACENT-CHANNEL REJECTION . . .50 dB, TYPICAL
ATOMATIC NOISE LIMITER . . . . . . . . . .BUILT-IN
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
WEATHER
SENSITIVITY . . . . . . . . . . . . . . . . . . . . . . .LESS THAN 1 µV FOR 12 dB SINAD
IF-FREQUENCY . . . . . . . . . . . . . . . . . . . .DUAL CONVERSION
AUDIO OUTPUT . . . . . . . . . . . . . . . . . . .MAXIMUM 1 W AT 10% DISTORTION
FREQUENCY RESPONSE . . . . . . . . . . . .300 – 3000 HZ AT -6 dB
18
162.550
162.400
162.475
162.425
162.450
162.500
162.525
161.650
161.775
163.275
TRANSMITTER
POWER OUTPUT . . . . . . . . . . . . . . . . . .4 WATTS
MODULATION . . . . . . . . . . . . . . . . . . . .AM (AMPLITUDE MODULATION)
FREQUENCY RESPONSE . . . . . . . . . . . .300 TO 3000 HZ
OUTPUT IMPEDANCE . . . . . . . . . . . . . .50 OHMS,UNBALANCED
19
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Accessories
Replacement Microphone
Bracket
741-080-9-001
$0.45
4 Pin Premium NoiseCancelling Microphone
HG M84
$74.95
4-Pin Replacement Dynamic
Microphone
HG M73
$19.95
20
Replacement Mounting
Bracket
251-199-9-001
$4.50
4 Pin Premium NoiseCancelling Microphone
Wood Grain
HG M84W
$74.95
4-Pin Noise Canceling
Microphone
HG M77
$30.95
Accessories
Replacement Thumb Screws
634-081-9-001
$0.60
5 Pin Premium NoiseCancelling Microphone
HG M85
$74.95
4-Pin Power Microphone
HG M75
21” Base Loaded Magnet
Mount Antenna
HG A1000
$28.95
Dynamic External Speaker
HG S100
$21.95
38” Base Loaded Magnet
Mount Antenna
HG A1500
$46.95
Noise Canceling External
Speaker
HG S300
$28.95
Fiberglass Whip
Replacement Antenna
3 Foot HG A300
$28.95
Black, Red,White, Gold
4 Foot HG A400
$29.95
Black, Red, White
4 1/2 Foot HG A450
$30.95
Black, Red,White, Gold
54” Base Loaded Magnet
Mount Antenna
HG A2000
$99.95
Dynamic Noise Canceling
With Talk Back External
Speaker
HG S500
$32.95
62” Center-Load
Replacement Antenna
HG A6000
$89.95
Black/Clear, Black, Red, White, Gold
$25.95
21
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Limited Two Year Warranty
Accessory Order Form
Item #
251-199-9-001
634-081-9-001
741-080-9-001
HG A1000
HG A1500
HG A2000
HG M84
HG M84W
HG M85
HG M73
HG M75
HG M77
HG S100
HG S300
HG S500
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.
HG A300
HG A400
HG A450
HG A6000
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)
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
Description
Replacement Mounting Bracket
Replacement Thumb Screws
Replacement Microphone Bracket
Cost Ea.
$4.50
$0.60
$0.45
21”Base Loaded Magnetic Mount Antenna
$28.95
38”Base Loaded Magnetic Mount Antenna
$46.95
54”Base Loaded Magnetic Mount Antenna
$99.95
4 Pin Premium Noise-Cancelling Microphone $74.95
4 Pin Premium Noise-Cancelling Mic Wood gr $74.95
5 Pin Premium Noise-Cancelling Microphone $74.95
Replacement Dynamic Microphone
$19.95
Power Microphone
$25.95
Noise Canceling/Power Microphone $30.95
Dynamic External Speaker
$21.95
Noise Canceling External Speaker
$28.95
Dynamic Noise Canceling
With Talk Back External Speaker
$32.95
Fiberglass Whip Replacement Antenna $28.95
Black, Red, White, Gold
Fiberglass Whip Replacement Antenna $29.95
Black, Red, White, Gold
Fiberglass Whip Replacement Antenna $30.95
Black, Red, White, Gold
62”Center-Load Replacement Antenna
Black/Clear, Black, Red, White, Gold
$89.95
Qty. Amount
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%
Please print clearly
Name___________________________________________________
Address (No P.O. Box)_____________________________________
City____________________________________State____________
Zip_____________Telephone (____)__________________________
Credit Card No._________________________Exp. Date_________
Customer Signature__________________________________
Circle One: Visa MasterCard Discover
22
Limited Warranty
COBRA ELECTRONICS CORPORATION warrants that its
COBRA CB Transceiver, and the component parts thereof, will
be free of defects in material and workmanship for a period
of two (2) years from the da te of 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, a
defective CB Transceiver upon delivery to the COBRA fac tory
Service Department, accompanied by proof of the date of
first consumer purchase, such a duplicated sales receipt.
You must pay initial shipping charges required to ship the
product for warranty service, but the return charges will b e
at COBRA’S expense, if the product is repaired or replaced
under warranty.
Cobra Electronics
Corporation
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 alter ations 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.
6500 West Cortland Street
Chicago, Illinois 60707
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.
23
18 WX ST.NEW LAYOUT(4279)2a
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Page 24
The Cobra line of quality products
also includes:
• High Gear™ Accessories
• Radar Detectors
• SafetyAlert™
Traffic Warning Systems
• Family Radio Service (FRS)
2-Way Radios
Nothing comes close to a Cobra™
18 WX ST.NEW LAYOUT(4279)2a
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Page 26
18 WX ST II
Cobra Electronics Corporation
6500 West Cortland Street
Chicago, IL 60707
Operating Instructions for your
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.
18 WX ST II
Mobile Radio
(773) 889-3087
24 hours a day, 7 days a week.
A Consumer Service Representative can be reached through this same number
with
System
8:00 am - 6:00 pm,Monday through Friday, Central Standard Time.
Technical assistance is also available on-line in the Frequently Asked Questions (FAQ)
section at www.cobraelectronics.com or by e-mail to productinfo@cobraelectronics.com
If you think you need service call 1.773.889.3087
If your product should require factory service please call Cobra first before sending in your unit.
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 pr oof-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 unit.Include a typed or clearly print name
and address of where the unit is to be returned.
4. Pack unit securely to pr event 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 war ranty, 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 war ranty 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.© 2000
Printed in China
Part No. 480-315-P-001
“Ingenious Products for Easier Communication.”
18 WX ST.NEW LAYOUT(4279)2a
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Page 28
The Citizens Band 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.)
FCC Regulations
FCC regulations permit only "transmissions" (one-party
to another) rather than" broadcast" (to a wide audience).
Thus, advertising is not allowed on CB channels because
that is "broadcasting".
FCC Warnings
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.
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 CB Radio:
1. CB transceiver
6. FCC rules
2. Microphone
. (not pictured)
3. Transceiver bracket
1.
4. Microphone bracket
5. Operating Manual
A1
18 WX ST.NEW LAYOUT(4279)2a
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Controls and Indicators
Our Thanks to You
Thank you for purchasing the Cobra 18 WX ST II
CB Radio Transceiver. Properly used, this Cobra
product will give you many years of reliable service.
15
1. Microphone Connector.
2. Off/On/Volume.
3. Squelch.
4. Channel 9/Channel 19
12
13 10 7
14 11
5. CB/Weather
6. Channel Selector Button.
7. LED Channel Display.
8. S/RF Power Meter.
9. WX Indicator LED.
10. TX Indicator LED.
3 4 5
11. RX Indicator LED.
12. Scan Button.
13. SoundTracker™ Button.
14. Dual Watch Button.
15. Microphone
17
Back Side
16. Antenna Connector
“Cuts Static coming in,adds Punch going out!”
Technology that dramatically improves the
transmission and reception of CB radio signals.
The revolutionary SoundTrackerTM System reconfigures the transmission signal which allows it to
be transferred more effectively through cluttered
airwaves.
At the same time, it significantly reduces the
amount of static on all incoming CB signals.
The end result is a clearer, cleaner sounding
reception of signals and a more powerful
transmission which dramatically improve
CB communications.
Cobra Customer Service
Live operators are
available
M-F 8:00 am – 6:00 pm
Central Standard Time at
773.889.3087
Automated Technical
Assistance available 24
hours a day, seven days a
week.E-mail questions to:
productinfo@
cobraelectronics.com
Cobra on the World Wide
Web: Frequently Asked
Questions (FAQ) can be
found at:
www.cobraelectronics.com
17. External Speaker Connector
18. Power Cord
18
A2
16
Customer Support
Should you encounter any problems with this
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.
A3

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