Cobra 29LTD HD LE - User Manual

29 LTD HD LE
Operating Instructions
for your Cobra 29 LTD HD LE
Edition
CB Radio
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 “broadcasts”
(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 29 LTD HD LE
1. CB transceiver 6. DC power cord
2. Microphone 7. FCC rules
3. Transceiver bracket 1. (not shown)
4. Microphone bracket
5. Operating Manual
29 LTD HD LE
Cobra Electronics Corporation
6500 West Cortland Street
Chicago, IL 60707 USA
©2002 Cobra Electronics Corporation
Printed in China
Part No. 480-053-P
Operating Instructions
for your Cobra 29 LTD HD LE
Edition
CB Radio
The CB Story
A1
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 at 773.889.3087
8:00 am - 6:00 pm, Monday through Friday, CST.
Technical assistance is also available on-line in the Frequently Asked Questions (FAQ) section
at www.cobra.com or by e-mail to productinfo@cobra.com
If you think you need service call 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 West Cortland Street, Chicago, IL 60707 USA.
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 773.889.3087 for
assistance.
If You Think You Need Service
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Cobra 29LTD HD LE Specifications

General

Channels	40
RF Gain	Yes
Instant Channel 9	Yes
SWR Calibration	Yes
4-Pin Mic Connector	Yes
Frequency Range	26.965-27.405 MHz
Antenna Impedance	50 Ohms
Power Supply	13.8 VDC
Modulation	AM

Summary

The CB Story and Regulatory Information

FCC Regulations Explained

Explains CB transmission rules and limitations, prohibiting broadcasting.

FCC Warnings and Compliance

Alerts users to FCC rules on transmitter adjustments and part substitutions.

Package Contents Overview

Lists all items included with the Cobra 29 LTD HD LE radio.

Controls and Indicators

Front Panel Controls Identification

Details all buttons, knobs, and indicators on the front of the transceiver.

Back Panel Connectors Guide

Describes the ports and connections available on the rear of the unit.

Installation and Mounting Procedures

Location and Bracket Mounting

Instructions for choosing an installation spot and securing the mounting bracket.

Electrical Connection Guide

Guidance on connecting the power cord and antenna to the unit.

Antenna Installation and Noise Management

CB Antenna Installation Tips

Recommendations for optimal antenna placement and types for performance.

Ignition Noise Interference

Explanation of noise sources and mitigation techniques for clear reception.

Marine Installation Considerations

Specific notes and requirements for installing the transceiver on a boat.

Basic Operation: Power On and Channel Selection

Powering On the Radio

Steps to turn on the Cobra 29 LTD HD LE transceiver.

Selecting a CB Channel

How to choose a CB channel using the channel selector knob.

SWR Calibration Procedure

Calibrating for SWR

Step-by-step guide to adjust SWR for optimal transmission performance.

SWR Calibration Notes

Important considerations and tips for performing SWR calibration correctly.

Receiving Signals and SWR Check

How to Receive Transmissions

Steps and settings for listening to incoming signals on the CB radio.

Understanding SWR Readings

Interpreting SWR meter results after calibration and adjustments.

Channel and Noise Management Features

Selecting Your CB Channel

Detailed guide on choosing specific CB channels for communication.

Using the S-Meter

How the signal strength meter indicates incoming signal strength.

Noise Blanker;Limiter Settings

Adjusting NB/ANL controls for effective noise reduction.

Signal Optimization Controls

Brightness;Dimmer Adjustment

Controlling the display brightness for day or nighttime driving.

RF Gain Adjustment Guide

Optimizing reception sensitivity by adjusting the RF Gain control.

Fine-Tuning and Squelch Control

Delta-Tune Functionality

Using Delta-Tune for signal clarity and eliminating adjacent channel interference.

Setting the Squelch Control

Adjusting the squelch to control background noise and improve reception.

Transmitting and Microphone Setup

Procedure for Transmitting

Steps for sending a transmission, including safety cautions.

Setting the Dynamike Sensitivity

Adjusting microphone sensitivity for optimal outgoing audio level.

Meter and External Audio Features

RF Meter Usage Explained

Understanding the RF output meter during transmission.

External Speaker Connection

How to connect an external speaker for enhanced audio output.

Public Address System Operation

PA Mode Operation Guide

Instructions for using the transceiver as a public address system.

Powering and Setup Configurations

Base Station Setup (120 V AC)

Instructions for home or office use with AC power.

Temporary Mobile Setup

Guide for temporary installation and use in a vehicle.

CB Radio Usage and Communication Rules

Benefits and Uses of CB Radio

How the CB radio can serve various purposes in daily life.

Rules for CB Communication

Important etiquette, prohibitions, and best practices for CB use.

Emergency Channel 9 Protocol

Procedures for making emergency transmissions on channel 9.

CB 10-Codes Reference

Common 10-Code Meanings

Glossary of standard CB communication codes for quick interaction.

Technical Specifications and Frequency Ranges

CB Frequency Ranges Detailed

Detailed frequencies for all 40 CB channels covered by the unit.

Product Technical Specifications

Key electrical, performance, and physical specifications of the transceiver.

Warranty and Optional Accessories

Limited Two Year Warranty Terms

Details of the product warranty coverage and limitations.

Optional Accessories Catalog

Listing of available accessories for purchase to enhance functionality.

Accessory Ordering Information

Accessory Order Form Instructions

Guidance on how to fill out and submit the accessory order form.

Service and Support Resources

Contacting Cobra for Assistance

How to get technical help, service, or answer FAQs from Cobra.

Factory Service Procedures

Steps for sending the unit to the factory for repair or exchange.