Cobra 29 LTD CHR How To Use Manual
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Cobra 29 LTD CHR How To Use Manual

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How to Use Your
Cobra 29 LTD CHR
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 Interference ..........................................................7
Operating Your 29 LTD CHR
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
Bright/Dim Switch ..........................................................................16
RF Gain Control................................................................................17
Setting Delta-Tune .........................................................................18
Setting Squelch ...............................................................................18
To Transmit........................................................................................20
Setting Dynamike®.........................................................................20
Transmit..............................................................................................21
TalkBack..............................................................................................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 CHR Specifications ............................................................33
Warranty Information .....................................................................34
Optional Accessories .................................................................35-36
Accessory Order Info........................................................................37
If You Think You Need Service ...................................Back Cover
Features of This Product
• 40 CB Radio Channels
• Special Edition Chrome Cabinet
& Microphone
• Heavy-Duty Dynamic
Microphone
• Full 4 Watts AM RF Power Output
• SWR Calibration Meter
• Talk Back
• Instant Channel 9
• 4-Pin Front Mount Microphone
Connector
• Delta -Tune
• Switchable Automatic Noise
Limiter & Noise Blanker
• Adjustable Dynamike® Boost
• 9 Ft. Mic Cord
• RF Gain
1

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Summary of Contents for Cobra 29 LTD CHR

  • Page 1: Table Of Contents

    • 40 CB Radio Channels CB Antenna..................6 Marine Installation .................6 • Special Edition Chrome Cabinet Ignition Noise Interference ............7 & Microphone Operating Your 29 LTD CHR Turning On Your CB................8 • Heavy-Duty Dynamic Setting Channel Selector .............9 Microphone Calibrate For SWR (Standing Wave Ratio)......10 To Receive..................13...
  • Page 2 Installation 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.
  • Page 3 Installation Installation Note Connecting to an accessory fuse prevents the unit from being left Plug power cable into back of unit marked on accidentally, and also “Power”. Be sure to observe polarity markings. permits operating the unit without running the engine. Mount the microphone bracket on either side of Note...

  • Page 4: Ignition Noise Interference

    Cobra representative. choice is on the not significantly discharge the vehicle’s battery. center of the trunk. Even though the Cobra 29 LTD CHR has an automatic noise limiter, in some installations Note Because many newer trucks ignition interference may be high enough to make good communications impossible.

  • Page 5: Setting Channel Selector

    Operation Operation Turning On Setting Channel Turning On Setting Channel Selector Selector Make sure the power cord, antenna and microphone are connected to their proper connectors before starting. Select one of forty channels and adjust volume. The selected channel is indicated by the LED readout directly above the channel selector knob CB/PA button should be in the...

  • Page 6: Calibrate For Swr (Standing Wave Ratio)

    Operation Operation Calibrate For Calibrate for SWR (Standing Wave Ratio) SWR (Standing SWR calibration is done to properly adjust the Wave Ratio) 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.

  • Page 7: To Receive

    Operation Operation To Receive To Receive Note The reading will be slightly higher on Channels 1 and 40 compared to Channel 20. While still holding down the mic button, set Note the S/RF SWR CAL switch to the SWR position, When switched to SWR position Rotate the On/Off Volume knob clockwise...

  • Page 8: Selecting A Channel

    Operation Operation Selecting A Selecting A Channel NB-ANL/ANL/OFF (Noise NB-ANL/ANL/ Blanker/Automatic Noise Limiter) Switch Channel OFF (Noise Blanker/ Automatic Noise Limiter) Switch Note Switch to NOR to select desired channel. The RF noise blanker is very When switched to ANL the Automatic Noise S-Meter effective in reducing repetitive S-Meter...

  • Page 9: Bright/Dim Switch

    Operation Operation Bright/Dim Bright/Dim Switch RF Gain Control RF Gain Control Switch The RF Gain is used to optimize reception in strong or weak signal areas. Note The RF Gain is used to optimize reception in weak signal areas. Switch to BRT or DIM to control brightness of the channel indicator and multi-function meter for day or nighttime driving.

  • Page 10: Setting Delta-Tune

    Operation Operation Setting Setting Delta-Tune Gate open 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. Full counterclockwise rotation opens the “gate” allowing all signals in. Rotate Delta-Tune knob to the center position for optimum tuning.

  • Page 11: To Transmit

    Operation Operation To Transmit Transmit To Transmit Transmit Caution! 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. Be sure to read the F.C.C. Rules Select desired channel.

  • Page 12: Rf Meter

    Note S/RF-SWR-CAL switch must be in the Connect an external speaker to the external Cobra external speakers are speaker jack on the rear panel. S/RF position. rated at 10 watts.

  • Page 13: Pa (Public Address)

    Operation Operation PA (Public PA (Public Address) Address) Note Speaker should have 8-ohm impedance and be rated to handle at least 4.0 watts. Note The speaker should be directed away from the microphone to prevent acoustic feedback. Connect an external PA speaker to the PA jack on the rear panel.

  • Page 14: Home And Office Set-Up

    Note For temporary mobile operation you may want to purchase an optional automobile power adapter For further information call from your COBRA dealer. This adapter and a Cobra Customer Service magnetic mount antenna allow you to quickly 773.889.3087. “install” your transceiver for temporary use.

  • Page 15: How Your Cb Can Serve You

    How Your CB Can Serve You How Your CB Can Serve You • Warn of traffic problems The FCC gives these examples of permitted and • Provide weather and road data prohibited messages for channel 9. These are • Provide help in event of an emergency only guidelines and not all-inclusive: •...

  • Page 16: Cb 10 Codes

    How Your CB Can Serve You How Your CB Can Serve You Code Meaning CB 10-Codes CB 10-Codes 10-29 Time is up for contact Citizen Bands have adopted the “10-CODES” for 10-30 Does not conform to FCC rules standard questions and answers. These codes 10-33 Emergency traffic provide quick and easy communication, especially...

  • Page 17: Frequency Ranges

    Frequency Ranges 29 LTD CHR Specifications The COBRA 29 LTD CHR transceiver represents one GENERAL Channels ......CB - 40 CH of the most advanced AM two-way radios used as a Frequency Range .

  • Page 18: Optional Accessories

    6500 West Cortland Street the product for warranty service, but the return charges Chicago, Illinois 60707 USA will be at Cobra's expense, if the product is repaired or replaced under warranty. www.cobra.com This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
  • Page 19 Back External Speaker HG S100 HG S300 HG S500 Optional Accessories • You can find quality Cobra products and accessories at your local Cobra dealer, or in the U.S.A., you can order directly from Cobra. See ordering info on page 37.
  • Page 20 Radio-Telephone Operator’s License. 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 Replacement or substitution of transistors, regular following in order to have the product serviced and returned.

  • Page 21: Accessory Order Info

    Controls and Indicators Our Thanks to You Ordering From U.S.A. Call 773-889-3087 for pricing or visit www.cobra.com. Thank you for purchasing the Cobra 29 LTD CHR For Credit Card Orders CB Radio. Properly used, this Cobra product will 4-Pin Microphone Connector Call 773-889-3087 [Press one from the main menu] 8:00 a.m.

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