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Cobra 29 LTD Classic How To Use Manual

Cobra 29 ltd classic: user guide.
Contents
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
How to Use Your
Cobra 29 LTD Classic
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
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
1
!
!

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   Summary of Contents for Cobra 29 LTD Classic

  • Page 1

    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...

  • Page 2: Location, Mounting And Connection

    Installation Location Mounting and Connection 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 self- tapping screws and star wash- ers. The mounting must be mechanically strong, conve- niently located.

  • Page 3

    MFG :JUNE 98 FCC ID:BBO3K229LTD COBRA MADE IN CHINA SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF COBRA ELECTRONICS CORP. CHICAGO, ILL.60707 Connect the antenna cable plug to the recep- tacle marked “ANT” on the back of the unit. PA.SP. EXT.SP. – POWER...

  • Page 4

    Installation Note Connecting to an accessory fuse prevents the unit from being left on accidentally, and also per- mits 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.

  • Page 5

    FCC ID:BBO3K229LTD COBRA MADE IN CHINA NEERED PRODUCT OF . CHICAGO, ILL.60707 Plug power cable into back of unit marked “Power” . Be sure to observe polarity markings. Mount the microphone bracket on either side of the unit (driver’s left) using two screws sup- plied.

  • Page 6: Cb Antenna, Marine Installation

    Only a properly matched antenna system will allow maximum power output. Cobra loaded type antenna models are highly recommended for most installations. Consult your Cobra dealer for further details, or call 773.889.3087 and speak to a Cobra representative. DATE OF...

  • Page 7

    The unit requires very little current and therefore will not signifi- cantly discharge the vehicle’s battery. Even though the Cobra 29 LTD Classic has an automatic noise limiter, in some installations igni- tion interference may be high enough to make good communications impossible.

  • Page 8

    Operation Turning On Turning On Make sure the power cord, antenna and micro- phone are connected to their proper connectors before starting. SIG 1 5 7 9 +30dB V O L U M E S Q U E L C H O F F CB/PA button should be in the CB position.

  • Page 9: Setting Channel Selector

    Setting Channel Selector N B / B R T C H 9 A N L A N L D I M O F F N O R R F G A I N D E LTAT U N E M I N M A X Select one of forty channels and adjust...

  • Page 10: Calibrate For Swr (standing Wave Ratio)

    Operation Calibrate For SWR (Standing Wave Ratio) Note Antenna Indicator LED will illuminate when TX if SWR is high. 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.

  • Page 11

    PUSH & HOLD Push and hold mic button. N B / B R T C H 9 A N L A N L D I M O F F N O R R F G A I N D E LTAT U N E M I N M A X While holding mic...

  • Page 12

    Operation Note The reading will be slightly high- er on Channels 1 and 40 com- pared 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 accept- able.

  • Page 13: To Receive

    To Receive S / R F S W R SIG 1 5 7 9 +30dB C A L V O L U M E S Q U E L C H D Y N A M I K E O F F M I N Rotate the On/Off Volume knob clockwise...

  • Page 14: Selecting A Channel, S-meter

    Operation Selecting A Channel S-Meter Selecting A Channel R X / T X B R T C H 9 D I M N O R D E LTAT U N E S W R C A L M A X Switch to NOR to select desired channel.

  • Page 15: Nb-anl/anl/off (noise Blanker/automatic

    NB-ANL/ANL/OFF (Noise Blanker/Automatic Noise Limiter) Switch SIG 1 5 7 9 +30dB D Y N A M I K E V O L U M E S Q U E L C H O F F M I N When switched to Limiter is activated.

  • Page 16: Bright/dim Switch

    Operation Bright/Dim Switch Bright/Dim Switch R X / T X B R T C H 9 D I M N O R D E LTAT U N E S W R C A L M A X Switch to BRT or DIM to control brightness of the channel indicator and multi-function meter for day or nighttime driving.

  • Page 17: Rf Gain Control

    RF Gain Control The RF Gain is used to optimize reception in strong or weak signal areas. S / R F S W R SIG 1 5 7 9 +30dB D Y N A M I K E V O L U M E S Q U E L C H O F F M I N...

  • Page 18: Setting Delta-tune, Setting Squelch

    Operation Setting Delta- Tune Setting Squelch Gate closed STRONG SIGNALS MEDIUM SIGNALS WEAK SIGNALS NOISE 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. S / R F S W R SIG 1 5 7 9...

  • Page 19

    S / R F S W R SIG 1 5 7 9 +30dB C A L V O L U M E S Q U E L C H D Y N A M I K E O F F M I N Full counterclockwise rotation opens the...

  • Page 20: To Transmit, Setting Dynamike

    Operation To Transmit Caution! Be sure the antenna is properly SIG 1 5 7 9 +30dB connected to the radio before V O L U M E S Q U E L C H transmitting. Prolonged trans- mitting without an antenna, or a poorly matched antenna, could cause damage to the O F F...

  • Page 21: Transmit

    Transmit PUSH & HOLD Push and hold mic button to transmit. Transmitter is now activated. When transmit- ting, hold the microphone two inches from your mouth and speak in a clear, normal voice. Release to receive. Operation Transmit...

  • Page 22: Rf Meter

    Operation RF Meter RF Meter This meter swings proportionately to the RF output (outgoing signal) while transmitting. SIG 1 5 7 9 +30dB V O L U M E S Q U E L C H S/RF-SWR-CAL switch must be in the S/RF position.

  • Page 23: External Speaker

    8-ohm impedance and be PA.SP. EXT.SP. rated to handle at least 4.0 – POWER watts. When the external speak- er is plugged in, the internal speaker is automatically discon- nected. Note Cobra external speakers are rated at 10 watts. Operation...

  • Page 24: Pa (public Address)

    DATE OF MFG :JUNE 98 impedance and be rated to handle at least 4.0 watts. 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. Note...

  • Page 25

    PUSH & HOLD Push and hold microphone button and speak in a normal voice. Your voice will now transmit on the PA speaker. S / R F S W R SIG 1 5 7 9 +30dB C A L V O L U M E S Q U E L C H D Y N A M I K E O F F...

  • Page 26: Home And Office Set-up

    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. 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.

  • Page 27: Temporary Mobile Set-up

    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...

  • Page 28: How Your Cb Can Serve You, A Few Rules You Should Know

    How Your CB Can Serve You A Few Rules You Should Know Channel 9 Emergency Messages Note If no response on channel 9, try channels 19 or 14. • Warn of traffic problems • Provide weather and road data • Provide help in event of an emergency •...

  • Page 29

    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 “Tornado sighted six miles north of town.” “Post number 10. No tornado sighted.” “Out of gas on I-95 at mile marker 211.”...

  • Page 30

    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 Meaning 10-1...

  • Page 31

    How Your CB Can Serve You Code Meaning 10-29 Time is up for contact 10-30 Does not conform to FCC rules 10-33 Emergency traffic 10-34 Trouble at this station 10-35 Confidential information 10-36 Correct time is 10-37 Wrecker needed at 10-38 Ambulance needed 10-39...

  • Page 32: Frequency Ranges

    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.

  • Page 33: Ltd Classic Specifications

    29 LTD Classic Specifications GENERAL CHANNELS ......CB - 40 CH FREQUENCY RANGE....CB - 26.965 TO 27.405 MHZ FREQUENCY TOLERANCE .

  • Page 34

    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;...

  • Page 35: Notes

    Notes Notes...

  • Page 36

    Notes Notes...

  • Page 37

    Notes Notes...

  • Page 38: Optional Accessories

    Optional Accessories Replacement DC Power Cord For in vehicle use 426-002-N-001 $7.50 Replacement Microphone Bracket For in vehicle use 741-080-9-001 $0.45 39” Full Range Base Load, Magnetic Mount Antenna For in vehicle use AT 70 $24.95 Replacement Mounting Bracket For in vehicle use 251-353-9-001 $4.50 28”...

  • Page 39

    CS 300 $19.95 You Can Find These Fine Accessories At Your Local Cobra CB Dealer If you wish, you can order directly from Cobra. Order by phone Call 1.773.889.3087 (Press 1 from the main menu) 8 a.m.-8 p.m. M-F CST.

  • Page 40: Order Form

    $21.95 $24.95 $14.95 $19.95 $24.95 Subtotal (Tax if applicable) Shipping/handling Total 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 State Exp. Date...

  • Page 41

    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 follow- ing in order to have the product serviced and returned.

  • Page 42

    29 LTD Classic Operating Instructions for your Cobra 29 LTD Classic CB Radio “Ingenious Products for Easier Communication.”...

  • Page 43

    FCC Rules and Regulations, before operating your Cobra radio, even though the FCC no longer requires you to obtain an oper- ator’s license. What’s Included with Your 29 LTD Classic CB transceiver Microphone Transceiver bracket...

  • Page 44: Controls & Indicators

    FCC ID:BBO3K229LTD MFG :JUNE 98 COBRA MADE IN CHINA SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF COBRA ELECTRONICS CORP. CHICAGO, ILL.60707 R X / T X C H 9 B R T D I M N O R R F G A I N...

  • Page 45: Our Thanks To You

    Thank you for purchasing the Cobra 29 LTD Classic CB Radio. Properly used, this Cobra prod- uct 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.

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