Cobra 29NW CLASSIC
Contents
1. How to Use Your Cobra 29 NW Rae LU gol ne pee er ore me eo foe On ee era mR reer 1 TRE CE SOY aeaa a A ce erate A1 FCC Regulations FCC Warnings Included Accessories Controls amp Indicators ssesesssseessseessseessssessssessssessssessssessssessssessss A2 Our Thanks to YOU tecsnisnnnnnnn i A3 Customer Support Installation LOCACION isiin na e a A aaa 2 Mounting and Connection ss sssssessseessserssseessseesseeessssessssessssessss 2 Antennas CB AntenNa iiaeeeaino EE teenie 6 Marine Installation s ssseessseessseeessseessserssseessseessssessseesssseosssessssessss 6 Ignition Noise Interference sssssesessseesssssesssssesessseersssseesssss 7 Operating Your 29 NW T tning O Your CB sesei eersrnreir eterinio iisen neh 8 Setting Channel Selector uu ssssesssessssessssecssecsssessssessssecseeees 9 Calibrate For SWR Standing Wave RatiO sscssssecseeeerees 10 NO RECCIV Grsista ero sce cesta eet Beer toner eh Sete 12 Selecting a CHANIME sscsecscccssscceseciucesexeitiv cecnshten naai 13 SVC UOT earl cereale ea ornate 13 NB ANL ANL Off Noise Blanker AutomaticC eceeeees 14 Noise Limiter Switch MONG HINO annaran ENEA TN 15 RF Gain COontrol e sseessessesesessesscessessseseesseesesseeseesseessesseoseesseoseossessee 15 Dimmer SWITCH senini n na 16 Setting squelch a n a 16 Tolas Mit eee a a e e Ei 18 setting DYNAN KE epeen en R Er Ia 18 Transmit sninrerotreri n enn aA A ine are t 19 RE Mete2. 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 or carbon or a sales receipt If you send the original receipt it cannot be returned A TE 2a nw Lro CLASSIC ole T T CE may cause violation of the technical regulations 2 Send the entire product 99 0 OH Z 2 T n ES a _ of Part 95 of the FCC Rules or violation of Type Nicrirwarer j Non NOR i 3 Enclose a description of what is happening with the unit Include a typed or clearly print name we DYNAMIKE R 3 010 _ Acceptance requirements of Part 2 of the Rules and address of where the unit is to be returned FOAIN DIMMER M am po Oe You should read and understand Part 95 4 Pack unit securely to prevent damage in transit If possible use the original packing material 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 5 Ship prepaid and insured by way of a traceable carrier such as
3. through Friday Central Time 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 Q Cobra 29 NW LTD CLASSIC Operating Instructions for your Cobra 29 NW LTD CLASSIC CB Radio Cobra 29NWLTD CLASSIC TONE v S RF OO ice RAJTX ANT swa jan cus CAL OFF PA WOR NOR faze VOL SQL ODYNAMIKE RFGAIN DIMMER 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 r P EE LETEL TE EE T EE ete abeerers E E E I T E E E EE FCC Regulations FCC regulations permit only transmissions one party to another rather than broadcasts
4. AGT 9 9P 0 to the CAL Y mark on Switch to thela CAL position the meter located on the right continued a O Operation Operation Note When switched to SWR position the meter needle should ideally be as far to the left as possible Anything over 3 is not acceptable A slight antenna height adjustment higher or lower may be required Repeat relcalibration steps To Receive Cobra 29NW LI VOL SQL DYNAMIKE RFGAIN beco AEE A N A MIN While still holding down the mic button set the S RF SWR CAL switch to the SWR position to read the SWR reading Repeat the same steps two through five on Channel 1 and 40 This will check SWR for all channels A pa 29 NW LTD CLASSIC g OW m f wi uch CAL HA NOR NOR SWR 203 CALY a WS SSS VOL 3 DYNAMIKE RFGAIN DIMMER pes MAX MIN MAX MIN Rotate the On Off Volume knob clockwise the green RX TX LED will be illuminated Selecting A Channel o OBA Cr CH9 CMC NOR DIMMER NOLO SWR CAL MAX MIN Switch to l l NOR to select desired channel S Meter S Meter Swings proportionately to strength of incoming signal when receiving S RF NB A ANLI SWR ANL J CAL OFF C DYNAMIKE The S RF SWR CAL switch must be in the S RF position to read the meter Note Switch to 9 Emergency or 19 Information for instant access to these channels a O Operation NB A
5. DANCE 50 OHMS UNBALANCED RECEIVER SENSITIVITY sarira iune oes LESS THAN 1 uV FOR 10dB S N N SELECTIVITY hac vothows calc ne oaa 6 dB 7 KHZ 60 dB 10KHZ IMAGE REJECTION 6 80 dB TYPICAL ADJACENT CHANNEL REJECTION 60 dB TYPICAL IF FREQUENCIES 6 salclne wie savcenodes DOUBLE CONVERSION 1ST 10 695 MHZ 2ND 455 KHZ AUTOMATIC GAIN CONTROL AGC LESS THAN 10 dB CHANGE IN AUDIO OUTPUT FOR INPUTS FROM 10 TO 50 000 MICROVOLTS RF GAIN RANGE 3 03 ceecewen sancan ad 40 dB NOISE BLANKER 46 RF TYPE SQUELCH gente ico cel sede dantcer tents ADJUSTABLE THRESHOLD LESS THAN 1pV AUDIO OUTPUT POWER 4 WATTS FREQUENCY RESPONSE 300 TO 3000 HZ DISTORTION stcceSesteecoulucitesd LESS THAN 7 3 WATTS 1000 HZ BUILT IN SPEAKER 4 8 OHMS 5W EXTERNAL SPEAKER NOT SUPPLIED 8 OHMS DISABLES INTERNAL SPEAKER WHEN CONNECTED PA SYSTEM POWER OUTPUT icSeecsesceaudscek 4 WATTS INTO EXTERNAL SPEAKER EXTERNAL SPEAKER FOR PA 8 OHMS 4 W MIN NOT SUPPLIED lt 5 dsc atesceresicinics THE PA SPEAKER ALSO MONITORS THE RECEIVER SEPARATE JACK PROVIDED SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 29 NW Specifications Optional Accessories Limited Two Year Warranty Cobra Electronics Corporation 6500 West Cortland Street Chicago Illinois 60707 USA _ COBRA ELECTRONICS CORPORATION warrants that its COBRA CB Radios and the compon
6. Monday through Friday Make Check or Money Order Payable To Cobra Electronics Attn Accessories Dept 6500 West Cortland Street Chicago IL 60707 U S A To Order Online Please visit our website www cobra com Accessory Order Info Item Description 426 002 N 001 Replacement DC Power Cord 251 353 9 001 Replacement Mounting Bracket 634 081 9 001 Replacement Thumb Screws 741 080 9 001 Replacement Microphone Bracket HG A1000 21 Base Loaded Magnetic Mount Antenna HG A1500 38 Base Loaded Magnetic Mount Antenna HG M84 4 Pin Premium Noise Cancelling Microphone HG M84W 4 Pin Premium Noise Cancelling Microphone Wood Grain HG M73 4 Pin Replacement Dynamic Microphone HG M77 4 Pin Noise Cancelling Microphone HG M75 Power Microphone HG 100 Dynamic External Speaker HG S300 Noise Cancelling External Speaker HG S500 Noise Cancelling with Talk Back External Speaker a O The CB Story War obra Cobra Electronics Corporation 6500 West Cortland Street Chicago IL 60707 USA If You Think You Need Service 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 5 30 pm Monday
7. NL ANL OFF Noise Blanker Automatic Noise Limiter Switch Note The RF noise blanker is very effective in reducing repetitive noises such as ignition interference NB ANL ANL OFF Noise Blanker Automatic Noise Limiter Switch Cobra 29 NWT mO ne PANSY VOL gt SQL DYNAMIKE RFGAIN MAX MIN When switched to 9 ANL the Automatic Noise Limiter is activated This helps reduce noise created by the vehicle s electronics When switched to NB ANL position the RF Noise Blanker is also activated providing increased noise filtration When switched to JOFF position all noise filtration will be turned off Operation Tone Hi Nor Tone Hi Nor This switch is used to shape the Audio Response to the operators preference 9 NW LTD CLASSIC o Er eeyo Ill Tz g CAL j MIN When set in HI the treble is increased Aaa n pan RF Gain Control The RF Gain is used to optimize reception in strong or weak signal areas See 29NWLTD CLASSIC TONE 9 mf HO 2 on en DIMMER _ Note _ The RF Gain is used to optimize reception in weak signal areas voL SQL orane pesse MAX MIN MAX MIN Rotate the RF Gain knob counterclockwise to reduce gain in strong signal areas In weak Signal areas turn clockwise to increase gain 0 Operation Operation Dimmer Switch Note The Dimmer controls the brightness of the front panel signal strength m
8. 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 27N E ERE depending on the model Please allow approximately 3 to 4 weeks before contacting us What s Included with Your 29 NW 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 CB transceiver F DC power cord 773 889 3087 for assistance Microphone FCC rules Transceiver bracket not shown Microphone bracket Operating Manual K i Q qes I a4 i 2010 Cobra Electronics Corporation Printed in China Part No 480 682 P Version C Controls and Indicators 4 Pin Microphone Connector Power On Off Volume Squelch Dynamike RF Gain G Dimmer SWR CAL EM Channel Selector EM LED Channel Display ANT Warning LED RX Receive TX Transmit LED Indicator Cobra 29NWLTD CLASSIC Channel 19 Channel 9 eS OO A eA Normal Switch porrra SEQ 90 6 Kasiah Ayra VOL gt SQL DYNAMIKE RFGAIN DIMMER I SWR CAL MIN MAX MIN MAX MIN MAX Tone Hi Nor CB PA Switch NB ANL ANL Off Switch S RF SWR CAL Switch Signal Strength Meter Microphone Back Side Public Address Sp
9. ansmit cara 29NWLTD CLASSIC cAL SS O VOL gt SQL DYNAMIKE RFGAIN DIMMER Bese MAX MIN MAX MIN Adjust PA speaker volume with the Dynamike control B B Home And Office Set Up Temporary Mobile Set Up Base Station Base Station Operation Operation From 120V AC House Current From 120V AC To operate your transceiver from home or office COBRA lan PRP EXTER House Current you will need a 13 8 volt DC Power Pack rated at a es 4 ble oae _minimum of 2 amps and a properly installed _ base station antenna pews pack Plug power cable into back of unit marked Power Be sure to observe polarity markings Warning Connect properly installed and matched base Station antenna Temporary Mobile Operation Temporary For temporary mobile operation you may want to Mobile Set Up purchase an optional cigarette lighter adapter from your COBRA dealer This adapter and a magnetic mount antenna allow you to quickly install your transceiver for temporary use Do not attempt to operate this transceiver by connecting it directly to 120 vac Note For further information call Cobra Customer Service 773 889 3087 Simply connect the red and black leads of the transceiver to the corresponding terminals of the power pack How Your CB Can Serve You A Few Rules You Should Know Channel 9 Emergency Messag
10. ansmit CLIP repeatedly so any monitor can assist The FCC gives these examples of permitted and prohibited messages for channel 9 These are only guidelines and not all inclusive Permitted Example Message Yes Tornado sighted six miles north of town No Post number 10 No tornado sighted Yes Out of gas on I 95 at mile marker 211 No Out of gas in my driveway Yes Four car accident on l 94 at Exit 11 Send police and ambulance No Traffic moving smoothly on I 94 Yes Weather Bureau has issued thunderstorm warning Bring sailboat into port No Attention motorists Weather Bureau advises snow tomorrow will accumulate 4 to 6 inches Yes Fire in building at 539 Main Evanston No Halloween patrol number 3 All quiet How Your CB Can Serve You How Your CB Can Serve You CB 10 Codes CB 10 Codes _ Citizen Bands have adopted the 70 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 Receiving poorly 10 2 Receiving well 10 3 Stop transmitting 10 4 OK message received 10 5 Relay message 10 6 Busy stand by 10 7 Out of service leaving 10 8 In service subject to call 10 9 Repeat message 10 10 Transmission completed standing by 10 11 Talking too rapidly 10 12 Visitors present 10 13 Advise weath
11. e is available Dynamike may have to be reduced in some conditions a O Operation Operation RF Meter RF Meter External Speaker External Speaker This meter swings proportionately to the RF The external speaker jack is used for remote _ output outgoing signal while transmitting receiver monitoring Note _ The external speaker should S RF ne _ have 8 ohm impedance WA AE k and be rated to handle at C _ least 4 0 watts When the CAL OFF external speaker is plugged in DYNAMIKE _ the internal speaker is automatically disconnected Note The J S RF SWR CAL switch must be in the Connect an external speaker to the external S RF position speaker jack on the rear panel Cobra external speakers are _rated at 15 watts See _ accessories page 34 Operation Operation PA Public 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 Note on the rear panel Activity on the CB channel will be heard through the PA speaker Adjust Volume Control for normal listening level Cobra 29NW LT m9 eel Oe P O VOL gt SQL DYNAMIKE RFGAIN OOGO _ _ ere MIN e switch to PA position Push and hold microphone button and speak 2 in a normal voice Your voice will now tr
12. eadout directly above the channel selector knob The CB PA button should be in the CB position oe obra 29NWLID cae SWR 2 3 CALY m NB ane CB m SWR Olt 0 0 0 E CAL OFF Aw aC NC VOL gt SQL DYNAMIKE RFGAIN fick MAX MIN MAX MIN Rotate the On Off Volume knob clockwise to a normal listening level Operation Operation Calibrate For Calibrate for SWR Standing Wave Ratio SWR Standing SwR calibration is done to properly adjust the HHH Wave Ratio _ length of the antenna and to monitor the quality PUSH amp aris _ of the coaxial cable and all RF connections HOLD HH This calibration is critical in order to achieve _ optimum performance 2 Note Calibration must be made in an open area never in a garage Vehicle doors must be closed _No one should be standing near _the antenna See your antenna 29 NW LTD ee Ona 20 00 lo RFGAIN DIMMER SWR CAL directions for more complete Ee Push and hold mic button i information Note i AX MIN MAX MIN i a 29 NW LTD SQ The reading will be slightly ne AC Che higher on Channels 1 and 40 CMC compared to Channel 20 RFGAIN DIMMER 2 Note LO ANT Warning indicator will illuminate when SWR is above 3 _on the scale Check antenna VOL gt SQL DYNAMIKE UA system While holding mic button adjust the a SWR CAL knob so the i meter needle swings
13. eaker 6 aN PA SP EXT SP Jack O POWER E External Speaker Jack Si an oe Zi P Antenna Connector Power Jack QQ Thank you for purchasing the Cobra 29 NW CB Radio Properly used this Cobra product 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 If after referring to the manual you still need help call Cobra Customer Service at 773 889 3087 Cobra Customer Service Live operators are available _ M F 8 00 am 5 30 pm Central _ Time at 773 889 3087 Automated Technical _ Assistance available 24 hours a _ day seven days a week E mail questions to _ productinfo cobra com Cobra on the Web _ Frequently Asked Questions _ FAQ can be found on line at i www cobra com The Cobra Electronics Corporation line of quality products includes CB Radios microTALK Radios Radar Laser Detectors Safety Alert Traffic Warning Systems HighGear Accessories CobraMarine VHF Radios Jumpstarters LED Lights Power Inverters Accessories For more information or to order any of our products please visit our website www cobra com Cobra Electronics Corporation 6500 West Cortland Street Chicago IL 60707
14. ent parts thereof _will be free of defects in workmanship and materials for period of two 2 years from the date of first consumer _ purchase This warranty may be enforced by the first consumer purchaser provided that the product is utilized _within the U S A COBRA will without charge repair or replace at its _ option defective CB radios products or component parts upon delivery to the COBRA factory Service Department accompanied by proof of the date of first consumer _ purchase such as a duplicated copy of a sales receipt 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 This warranty gives you specific legal rights and you may l also have other rights which vary from state to state _ Exclusions This limited warranty does not apply 1 to any product damaged by accident 2 in the event _ of misuse or abuse of the product or as a result of unauthorized alterations or repairs 3 if the serial _ number has been altered defaced or removed 4 if the owner of the product resides outside the U S A _ All implied warranties including warranties of merchantability and fitness for a particular purpose _are limited in duration to the length of this warranty COBRA shall not be liable for any incidental _ consequential or other damag
15. er roads 10 16 Make pick up at 10 17 Urgent business 10 18 Anything for us 10 19 Return to base 10 20 My location is 10 21 Call by phone 10 22 Report in person to 10 23 Stand by 10 24 Completed last assignment 10 25 Can you contact 10 26 Disregard last info 10 27 Moving to channel 10 28 Identify your station Code 10 29 10 30 10 33 10 34 10 35 10 36 10 37 10 38 10 39 10 41 10 42 10 43 10 44 10 45 10 50 10 60 10 62 10 63 10 64 10 65 10 67 10 70 10 71 10 77 10 81 10 82 10 85 10 91 10 93 10 94 10 99 10 200 Meaning Time is up for contact Does not conform to FCC rules Emergency traffic Trouble at this station Confidential information Correct time is Wrecker needed at Ambulance needed Message delivered Turn to channel Traffic accident at Traffic tie up at Have a message for All units within range please report Break channel What is next message number Unable to copy Use phone Net directed to Net clear Awaiting your next message assignment All units comply Fire at Proceed transmission in sequence Negative contact Reserve hotel room for Reserve room for My address is Talk closer to mic Check my frequency on this channel Give me a long count Mission completed all units secure Police needed at How Your CB Can Serve You B O Frequency Ranges Guciseledelses ted ebslecescdcesivedascectslevesuestecdcevessesnsedeeshvsdceddcves soveocssisevessdenssicee
16. es Note If no response on channel 9 try channels 19 or 14 a O e Warn of traffic problems e Provide weather and road data e Provide help in event of an emergency e Provide direct contact with home or office Assist police by reporting erratic drivers e Get local information to find destination e Communicate with family and friends e Suggest spots to eat and sleep e Keep you alert while traveling Gidsacheesoncnasseseasenevcacdssheeneskesitesescnssassecsegeecicasedenssntebesiseiesedeedescoveseuce castes EO save uasedslens seve cnachcesdebngeasencsutsiignsecnesecs baenecncest tecuavenssissassscssesscstoresnssd _ A Few Rules You Should Know A Conversations cannot last more than 5 minutes with another station A one minute break is required to let others use the channel B You cannot blast others off the air by use of illegally amplified transmitters or illegally high antennas _C You cannot use CB to promote illegal activities _D Profanity is not allowed _E You may not transmit music with a CB F Selling of merchandise and or services is prohibited 1 Set to channel 9 for emergencies _ Be Sure antenna is properly connected 2 CB Distress Data When transmitting an emergency you should request a REACT BASE and provide the CB distress data called CLIP C allSign Identify yourself L ocation Be exact njuries Number Type Trapped P roblem Give details and help needed Tr
17. es including without lim _ itation damages resulting from loss of use or _ cost of installation _ Some states do not allow limitations on how long an implied warranty lasts and or do not _ allow the exclusion or limitation of incidental or consequential damages so the above limitations may _ not apply to you or Replacement Mounting Replacement Thumb Screws Bracket For in vehicle use 251 199 9 001 Replacement DC Power Cord For in vehicle use 634 08 1 9 001 For in vehicle use 426 002 N 001 ea Replacement Microphone 38 Base Loaded Magnet Bracket 21 Base Loaded Magnet Mount Antenna Mount Antenna For in vehicle use 741 080 9 001 HG A1000 HG A1500 Replacement Dynamic Microphone For in vehicle use CA 73 B B Optional Accessories 4 Pin Replacement Dynamic Microphone HG M73 HG M75 Dynamic External Speaker Speaker HG 100 HG 300 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 35 Power Microphone Noise Canceling External 4 Pin Noise Canceling Microphone HG M77 Noise Canceling With Talk Back External Speaker HG 500 Ordering From U S A Call 773 889 3087 for pricing or visit www cobra com For Credit Card Orders Call 773 889 3087 Press one from the main menu 8 00 a m to 5 30 p m Central Time
18. et to Desired Squelch Setting DSS o D STRONG SIGNALS D o D _ MEDIUMSIGNALS o l WEAK SIGNALS MM 4px tv NOISE ea ream lt J Operation Operation EE A E T A E E E EIT OOOO T O E EEE E OE E T TE T E E O T L E OO OEA E ELT O O O E T To Transmit To Transmit Transmit Transmit obra 29NWLTD CLASSIC Caution ne HAO sr RX TX L 40 a i USH amp n Be sure the antenna is properly a H OLD connected to the radio before RFGAIN DIMMER transmitting Prolonged CAL transmitting without an antenna or a poorly matched antenna could cause damage _ x MAX O to the transmitter Be sure to read the F C C Rules Select desired channel and Regulations included with this unit before transmitting SC obra Reda eb Sue eei cas E EE nieces oveiewsbedes soci esheutsisdbeslcuuecaes ced deiavcedesuscecdeeiesisee sob TEE E E E Setting Setting Dynamike Push and hold mic button to transmit Dynamike This controls the microphone sensitivity Transmitter is now activated When outgoing audio level transmitting hold the microphone two inches from your mouth and speak in a clear normal voice Release to receive ee 29 NW LTD CLASSIC 2 8 CALY 6 O a ee a S SWR 5 79 cAL SS ok VOL gt SQL DYNAMIKE RFGAIN DIMMER Bocas MAX MIN MAX MIN Initially set fully clockwise so that maximum voice volum
19. eter and channel display Setting Squelch Gate closed o STRONG SIGNALS M O O MEDIUM SIGNALS M O Oo WEAK SIGNALS M O GATE CLOSED Dimmer Switch o 29NWLTD CLASSIC SWR 2 3 CALY E ee Rs 1 3 5 79 30dB VoL SQL DYNAMIKE RFGAIN v Hezin Zvrezl Rotate the Dimmer knob clockwise for maximum brightness counter clockwise for minimum Setting Squelch Squelch is the control gate for incoming signals eee 29 NW LTD m ONE ay va DYNAMIKE RFGAIN SWR 2 3 CALY E A F VOL gt SQL Full clockwise rotation closes the gate allowing only very strong signals to enter m NB i pone ANC ay ne Fe 2 obra VOL SQL DYNAMIKE RFGAIN DIMMER Full counterclockwise rotation opens the gate allowing all signals in HC obra SWR 2 3 CALY ES VOL DYNAMIKE RFGAIN DIMMER OFF MAX MIN peso To achieve the Desired Squelch Setting DSS turn the Squelch control counterclockwise until you hear noise Now turn the control clockwise just until the noise stops This is the DSS setting 29 Nw LTD CLA 2 m NB E CH19 ant HI ml gue CHO CAL aE CMC NOR 2 Gate open 29 NW LTD CLASS m ay ee o D STRONG SIGNALS gt o D Oo M _ MEDIUMSIGNALS D o M WEAK SIGNALS D O D NOISES a Se Ww Z Ww ca U O Gate s
20. m Control RF Gain 9 ft Mic Cord Installation Installation Location Location Plan location of transceiver and microphone _ bracket before starting the installation Select a location that is convenient for operation a oe _ 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 P IN E ESE ETE SEENE IEEE AEE E EAEE EE EAA AE ENEA A A ATEA EA EAE EAE ES Mounting and Mounting and Connection Connection Hold the radio with the mounting bracket in i the exact desired location If there is no Note interference remove the bracket and use it as The transceiver is held in the a template to mark the location for the universal mounting bracket mounting screws by two thumbscrews which allow for adjustment at a convenient angle Connect the antenna cable plug to the receptacle marked ANT on the back of the unit The bracket includes two self tapping screws and star washers The mounting must be mechanically strong conveniently located Drill the holes and secure the bracket continued Installation Installation Note Connecting to an accessory fuse prevents the unit from being left on accidentally and also 2 permits operating the unit without running the engine Note In positive ground vehicles the red wire goes to the chassis and the black wi
21. r aient sesanan eea Eee te a A E TTi 20 External Sp aker co scsasesa adhcscssdstuccdssyususcsceadeescacssveaseastvedessscnsdveaeees 21 PA Publie Address scdsroninceninmai 22 Home And Office Set Up seesssssesessessssoessscrssscessssessesessesesssseessseess 24 Temporary Mobile Set Up ssssessssessssessssessssessssesssseessseessseessssessss 25 How Your CB Can Serve YOU ccsssssssssssssscsssssesssssescscsccscsseeees 26 A Few Rules You Should KNOW ssssessseessssessssessssessssessssesssseses 26 Channel 9 Emergency Messages sssessssessssessssessssessssesssseses 26 CBE TO COJE Sunani a eraon E A ER 28 Frequency RangesS ssesssesssessssesseesssesssessseesseesseooseesseesssrsssesseeeseees 30 29 NW Specifications ou eesesessssessssesseseeessssssseesseessseessseesessesees 31 Warranty Information cssssssssssscssssssscscssssssssccssessessessessenseses 32 Optional Accessories s essseessoesseseseessecssscssscosecssesesscesseosseeese 33 34 Order Form ire a ETEN OO ates 35 If You Think You Need Service cccccccscsseeeees Back Cover Features of This Product 40 CB Radio Channels 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 Antenna Warning LED Switchable Automatic Noise Limiter amp Noise Blanker Adjustable Dynamike Boost Tactile Controls Illuminated Front Panel Di
22. re is connectedto the ignition switch Note Before installing the CB radio visually check the vehicle s battery connection to determine which terminal positive or negative is grounded positive is the larger Connect the black lead to the negative side of the two to the engine block of the vehicle This is usually the chassis Any or chassis convenient location with a good electrical A negatively grounded vehicle contact remove paint may be used has its negative lead grounded to the chassis In a negative grounded vehicle connect the red lead of the DC power cord to an accessory 12 volt fuse PA SP EXT SP POWER ac oJ Plug power cable into back of unit marked Microphone Power Be sure to observe polarity markings Connector Mount the microphone g g bracket on either side of y SHIELD the unit driver s left using two screws y 7 supplied Bracket should e aie be placed under the dash so microphone is readily accessible c obra 29NW S RF NB OWORE SWR w ANL P CAL OFF RFG VOL gt SQL DYNAMIKE KW Attach the 4 pin microphone cable to receptacle on front of unit and Install unit in bracket securely Antennas CB Antenna Note For optimum performance n passenger cars the ideal antenna location is on the center of the roof Second choice is on the center of the trunk Note Because man
23. rsevesses tee AEAEE AE dslsesdsenbeesSesciseeseessssestecisevcecesisedontecvsctsess ee The COBRA 29 NW 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 Channel Freq In MHz 26 965 26 975 26 985 27 005 27 015 CB Channel Channel Freq In MHz 27 215 27 225 27 255 27 235 27 245 GENERAL CHANNELS reens nienia pins CB 40 CH FREQUENCY RANGE CB 26 965 TO 27 405 MHZ FREQUENCY TOLERANCE 0 005 FREQUENCY CONTROL PLL PHASE LOCK LOOP SYNTHESIZER OPERATING TEMPERATURE RANGE 244 ss cesauesakoutagenetass 30 CTO 50 C MICROPHONE 34a366tieaae taageres PLUG IN DYNAMIC INPUT VOLTAGE 0008 13 8VDC nom positive or negative ground CURRENT DRAIN TRANSMIT AM FULL MOD 1 5A MAXIMUM RECEIVE SQUELCHED 0 3A FULL AUDIO OUTPUT 1 2A NOMINAL SIZE csp Gens aware desea sacets dees 8 5 8 D X 7 9 32 W X 2 13 63 H WEIGHT eiee o ised cba say aan 4 LBS ANTENNA CONNECTOR UHF SO 239 METER scttyeu tas nmi as nnsacaceen ILLUMINATED INDICATES RELATIVE POWER OUTPUT RECEIVED SIGNAL STRENGTH AND VSWR TRANSMITTER POWER OUTPUT 000 4 WATTS MODULATION wsasase estas ete AM AMPLITUDE MODULATION FREQUENCY RESPONSE 300 TO 3000 HZ OUTPUT IMPE
24. ver at low signal levels is normally limited by the presence of electrical noise The primary source of noise in automobiles is from the alternator and ignition system Typically when signal level is adequate the background noise does not present a serious problem Also when extremely low level signals are being received the transceiver may be operated with the vehicle s engine turned off The unit requires very little current and therefore will not significantly discharge the vehicle s battery Even though the Cobra 29 NW has an automatic noise limiter in some installations ignition interference may be high enough to make good communications impossible Many possibilities exist and variations between vehicles require different solutions Consult your COBRA dealer or a 2 way radio technician for help in locating the source of a severe noise Operation Operation a EET O A E LE N ET E E E T IE T T E E TOT T E E T E O O E E O E EO T E E 1 Turning On Turning On Setting Channel Selector Setting Channel Make sure the power cord antenna and Selector _microphone are connected to their proper connectors before starting obra 29NWLTD CLASSIC 7 40 Ta ne ig O o 40 E CMG DA Cobra 29NWLT RFGAIN DIMMER 0 0 8 TC O voL sSsQ L DYNAMIKE KX MIN MAX MIN IG A Select one of forty channels and adjust MAMIN volume The selected channel is indicated by the LED r
25. y newer trucks feature fiberglass door skins the outside mirror must be grounded to the chassis via ground strap if the antenna is mounted on the mirror bracket Note 3 way Combination Antennas are also available which allow operation of all three bands AM FM amp CB using a single antenna However this type of antenna usually results in less than normal transmit and receive range when compared to a standard type Single Band CB antenna Call 773 889 3087 for further information CB Antenna i Since the maximum allowable power output of the transmitter is limited by the FCC the antenna is critical in affecting transmission distance 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 JUNE 98 PA SP EXT SP POWER JED A standard antenna connector is provided on the transceiver for easy connection Marine Installation The transceiver will not operate at maximum _efficiency in a boat without a ground plate _ unless it has a steel hull Before attempting installation consult your dealer for information regarding an adequate grounding system and prevention of electrolysis between fittings in the hull and water Ignition Noise Interference Use of a mobile recei
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