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Cobra 29 NW ST User Manual

Cobra 29 NW ST
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How to Use Your
Cobra 29 NW ST
Contents
Features..................................................................................................1
Controls & Indicators.......................................................................A1
Installation
Location .............................................................................................2
Mounting and Connection .........................................................2
Antennas
CB Antenna.......................................................................................6
Marine Installation .........................................................................6
Ignition Noise Interference ..........................................................7
Operating Your 29 NW ST
Turning On Your CB........................................................................8
Setting Channel Selector .............................................................9
Calibrate For SWR (Standing Wave Ratio)..............................10
To Receive..........................................................................................12
Selecting a Channel.......................................................................13
S-Meter ...............................................................................................13
SoundTracker
System ................................................................14
Activating SoundTracker
..........................................................15
NB-ANL/ANL/Off (Noise Blanker/Automatic.........................16
Noise Limiter Switch)
Tone Hi/Nor.......................................................................................17
RF Gain Control................................................................................17
Dimmer Switch................................................................................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 NW ST Specifications.................................................................33
Warranty Information .....................................................................34
Optional Accessories.................................................................35-36
Features of This Product
40 CB Radio Channels
•SoundTracker
System
•Heavy-Duty Dynamic
Microphone
•Full 4 Watts AM RF Power Output
SWR Calibration Meter
Instant Channel 19 and 9
•Front Panel 4-Pin Microphone
Connector
•Delta -Tune
•Switchable Automatic Noise
Limiter & Noise Blanker
•Adjustable Dynamike Boost
•Tactile Controls
Illuminated Front Panel
•Dim Control
RF Gain
•9 ft.Mic Cord
1
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
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
!
!
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Cobra 29 NW ST Specifications

General IconGeneral
TypeCB Radio
Channels40
Power Output4 Watts
Microphone TypeDynamic
NightWatchYes
SoundTrackerYes
RF GainYes
Instant Channel 9Yes
SWR CalibrationYes
PA FunctionYes
Antenna Impedance50 ohms
Power Supply13.8V DC
Frequency Range26.965 MHz to 27.405 MHz
Weather Channels7
ModulationAM/FM

Summary

Installation

Location

Plan location of transceiver and microphone bracket before starting the installation.

Mounting and Connection

The transceiver is held in the universal mounting bracket by two thumbscrews which allow for adjustment.

Power Cable Connection

Plug power cable into back of unit marked 'Power'. Be sure to observe polarity markings.

Microphone Bracket Mounting

Mount the microphone bracket on either side of the unit (driver's left) using two screws supplied.

Antennas

CB Antenna

The antenna is critical in affecting transmission distance. Only a properly matched antenna system will allow maximum power output.

Marine Installation

The transceiver will not operate at maximum efficiency in a boat without a ground plate, unless it has a steel hull.

Ignition Noise Interference

Operation

Turning On

Make sure the power cord, antenna and microphone are connected to their proper connectors before starting.

Setting Channel Selector

Select one of forty channels and adjust volume. The selected channel is indicated by the LED readout.

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.

Selecting A Channel

Switch to 9 (Emergency) or 19 (Information) for instant access to these channels.

S-Meter

Swings proportionately to strength of incoming signal when receiving.

The SoundTracker™ System

SoundTracker™ gives you clearer, cleaner reception to improve CB communications while on the air.

Activating SoundTracker™

Push and release the ST button. Red LED is illuminated when SoundTracker™ is turned on.

NB-ANL/ANL/OFF (Noise Blanker/Automatic Noise Limiter) Switch

The RF noise blanker is very effective in reducing repetitive noises such as ignition interference.

Tone Hi/Nor

This switch is used to shape the Audio Response to the operators preference.

RF Gain Control

The RF Gain is used to optimize reception in strong or weak signal areas.

Dimmer Switch

The Dimmer controls the brightness of the front panel, signal strength meter and channel display.

Setting Squelch

Squelch is the 'control gate' for incoming signals.

To Transmit

Be sure the antenna is properly connected to the radio before transmitting.

Setting Dynamike

This controls the microphone sensitivity (outgoing audio level).

RF Meter

This meter swings proportionately to the RF output (outgoing signal) while transmitting.

External Speaker

The external speaker jack is used for remote receiver monitoring.

PA (Public Address)

Activity on the CB channel will be heard through the PA speaker. Adjust Volume Control.

Home And Office Set-Up

Base Station Operation (From 120V AC House Current)

To operate from home or office, you will need a 13.8 volt DC Power Pack and a base station antenna.

Temporary Mobile Set-Up

Use an optional cigarette lighter adapter and magnetic mount antenna for temporary mobile use.

How Your CB Can Serve You

A Few Rules You Should Know

Conversations cannot last more than 5 minutes with another station; a one minute break is required.

Channel 9 Emergency Messages

Be sure antenna is properly connected for emergencies. Provide CLIP data.

CB 10-Codes

Citizen Bands have adopted the '10-CODES' for standard questions and answers.

Frequency Ranges

Frequency Range Details

COBRA 29 NW ST covers all 40 CB channels from 26.965 to 27.405 MHz.

29 NW ST Specifications

General Specifications

Includes channels, frequency range, microphone, weight, and antenna connector details.

Limited Two Year Warranty

Warranty Coverage

COBRA warrants products to be free of defects in workmanship and materials for two years from purchase.

Optional Accessories

Antenna Accessories

Lists 21" and 38" Base Loaded Magnet Mount Antennas with prices.

Microphone and Speaker Accessories

Lists various microphones and external speakers with prices.

Ordering Accessories

Information on how to order accessories directly from Cobra via phone, fax, or email.

The CB Story

Introduction to CB Radio

Explains the Citizens Band, its history, and establishment by law.

IC/FCC Regulations

IC/FCC regulations permit only 'transmissions' not 'broadcasts'; advertising is not allowed.

Controls and Indicators

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