Cobra 29NW ST Operating Instructions Manual

Cobra user's manual 29nw st

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29 NW ST manual3.3
6/15/99 12:50 PM
Contents
Features..................................................................................................1
The CB Story.........................................................................................A1
FCC Regulations
FCC Warnings
Included Accessories
Controls & Indicators.......................................................................A2
Our Thanks to You .............................................................................A3
SoundTracker
Customer Support
Location.............................................................................................2
Mounting and Connection.........................................................2
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
..........................................................15
NB-ANL/ANL/Off (Noise Blanker/Automatic.........................16
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
Order Form ...........................................................................................37
If You Think You Need Service ...................................Back Cover
Page 1
How to Use Your
Cobra 29 NW ST
Features of This Product
• 40 CB Radio Channels
• SoundTracker
System
• Heavy-Duty Dynamic
Microphone
• Full 4 Watts AM RF Power Ou t p u t
• 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
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
P E R S O N N E L
1
!

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Summary of Contents for Cobra 29NW ST

  • Page 1: Table Of Contents

    29 NW ST manual3.3 6/15/99 12:50 PM Page 1 How to Use Your Cobra 29 NW ST Contents Features...1 The CB Story...A1 FCC Regulations FCC Warnings Included Accessories Controls & Indicators...A2 Our Thanks to You ...A3 SoundTracker ™ Customer Support Installation Location...2 Mounting and Connection...2...
  • Page 2: Installation

    29 NW ST manual3.3 6/15/99 12:50 PM Page 2 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 inte rfe re with the dri ver or passenger. The transceiver is usually mounted to the under- side of the dash with the microphone bracket beside it.
  • Page 3 29 NW ST manual3.3 6/15/99 12:50 PM 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 4: Antennas

    29 NW ST manual3.3 6/15/99 12:50 PM Page 6 Antennas CB Antenna CB Antenna Since the maximum allowable power output of the transmitter is limited by the FCC,the antenna Note is critical in affecting transmission distance. Only For optimum performance in a properly matched antenna system will allow passenger cars the ideal anten- maximum power output.
  • Page 5 29 NW ST manual3.3 6/15/99 12:50 PM Page 8 Operation Turning On Turning On Make sure the power cord, antenna and micro- phone are connected to their proper connectors before starting. CB/PA button should be in the CB position. Ro t ate the On/Off Volume knob a normal listening level.
  • Page 6 29 NW ST manual3.3 6/15/99 12:50 PM Page 10 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 opti- mum performance.
  • Page 7: Selecting A Channel

    29 NW ST manual3.3 6/15/99 12:50 PM Page 12 Operation Note When switched to SWR posi- tion the meter needle should ideally be as far to the left as possible. Anything over 3 is While still holding down the mic button,set not acceptable.
  • Page 8: Activating Soundtracker

    29 NW ST manual3.3 6/15/99 12:50 PM Page 14 Operation The SoundTracker While previous systems only “blanket out” or limit noise in higher sound frequencies, the revolution- ary new SoundTracker Note noise while leaving the signal intact in the recep- tion mode.
  • Page 9: Nb-Anl/Anl/Off

    29 NW ST manual3.3 6/15/99 12:50 PM Page 16 Operation NB-ANL/ANL/ NB-ANL/ANL/OFF (Noise Blanker/Automatic Noise Limiter) Switch OFF (Noise Blanker / Automatic Noise Limiter) Switch Note The RF noise blanker is very When switched to ANL the Automatic Noise effective in reducing repetitive Limiter is activated.
  • Page 10: Dimmer Switch

    29 NW ST manual3.3 6/15/99 12:50 PM Page 18 Operation Dimmer Switch Dimmer Switch Note The Dimmer controls the brightness of the front panel, signal strength meter and channel display. Ro t a te the Dimmer knob cloc kwise for maxi- mum bri g ht n e s s ;co u nte r - c l oc kwise for minimum.
  • Page 11: To Transmit

    29 NW ST manual3.3 6/15/99 12:50 PM Page 20 Operation To Transmit To Transmit Caution! Be sure the antenna is properly connected to the radio before transmitting. Prolonged trans- mitting without an antenna,or a poorly matched antenna, could cause damage to the transmitter.
  • Page 12: Rf Meter

    29 NW ST manual3.3 6/15/99 12:50 PM Page 22 Operation RF Meter RF Meter This meter swings proportionately to the RF output (outgoing signal) while transmitting. S/RF-SWR-CAL switch must be in the S/RF position. External Speaker The external speaker jack is used for remote receiver monitoring.
  • Page 13: Pa (Public Address)

    29 NW ST manual3.3 6/15/99 12:50 PM Page 24 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.
  • Page 14: Home And Office Set-Up

    29 NW ST manual3.3 6/15/99 12:50 PM Page 26 Home And Office Set-Up Base Station Base Station Operation (From 120V AC House Current) Operation (From 120V AC To operate your transceiver from home or office you will need a 13.8 volt DC Power Pack rated at a House Current) minimum of 2 amps, and a properly installed base station antenna.
  • Page 15: How Your Cb Can Serve You

    29 NW ST manual3.3 6/15/99 12:50 PM Page 28 How Your CB Can Serve You • Warn of traffic problems • Provide weather and road data • Provide help in event of an emergency • Provide direct contact with home or office •...
  • Page 16: Cb 10 Codes

    29 NW ST manual3.3 6/15/99 12:50 PM 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 p rovide quick and easy co m m u n i cat i o n ,e s pe c i a l l y in noisy areas.
  • Page 17: Frequency Ranges

    29 NW ST manual3.3 6/15/99 12:50 PM Page 32 Frequency Ranges The COBRA 29 NW ST 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 18 6/15/99 12:50 PM Page 34 Limited Two Y ear Warranty COBRA ELECTRONICS CORPORATION warrants that its COBRA CB Radios, and the component parts thereof, will be free of defects in wor kmanship and materials for period of two (2) years from the date of first consumer purchase.
  • Page 19: Order Form

    29 NW ST manual3.3 6/15/99 12:50 PM Page 36 Optional Accessories Power Microphone Noise Canceling/Power Microphone For in vehicle use CA 75 $21.95 For in vehicle use CA 77 $24.95 Dynamic External Speaker Noise Canceling External Speaker For in vehicle use CS 100 $14.95 For in vehicle use...
  • Page 20 29 NW ST manual3.3 6/15/99 12:50 PM Page 38 Notes Notes Notes Notes...
  • Page 21 29 NW ST manual3.3 6/15/99 12:50 PM Page 40 Notes Notes...
  • Page 22: If You Think You Need Service

    5. Ship prepaid and insured by way of a traceable car rier 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.
  • Page 23 29 NW ST manual3.3 6/15/99 12:50 PM Page 43 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”...
  • Page 24 29 NW ST manual3.3 6/15/99 12:50 PM Page 44 Controls and Indicators 4 - Pin Mi c ro p h o n e Co n n e cto r Power On/Off,Volume Squelch Dynamike RF Gain Dimmer SWR CAL Channel Selector LED Channel Display 1 0 .

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