Cobra 19DXIV Manual
Contents
1. Introduction Our Thanks tO YOU esses dh ORE whee ere vee de ou A1 The Citizens Band Story 0 0 0 ccc ce n 6I A1 Customer Assistance 0 0 ccc cece IR A1 PTOUHGU ERIT BB eoa ooceep S watts eh net aak aoe se eate sae en ES A2 FCC Regulations 0 0 0 cee eens A3 Warnings 40800624 aseces Hb3eeneuibeneteneeienianeeents 2 Included in this Package cons dso dewede ce wes ty Ea EROR de 2 Installation and Start Up Mounting and Connections 0 ccc eee eee 3 Operating Your Mobile Radio OPGIGMON 22 o56 4 o aeo eee ocak eons 5 oe aea etwas oaete ae 4 Antenna Connector 0 0 ccc es 4 External SOCAKC vc iussa docks eeketes wale ecd ark een s ea 4 Public Address PA n n d XaodostiMe dr SUPR LA RU eS 4 no A MMIERMCCT 4 Turning on Your Mobile Radio 0 0 cee 9 OPCW eo case Seans ovine om Sines Sed oo rs a TUS bL 5 Microphone Connector 0 0 00 ccc n n RI 5 SIQUIS TC ERECTO TETTE TESTI 6 RF Odile eorura arad EAEE AN E ARA 6 Selecting a Channel 0 0 eee T Channel 9 NOR Channel 19 launanna 7 d 7 S RF Power Met r o sardces dee RUERTSSADEeRE cce I Verus 7 TX nadicator LED Lus soar dhatces thet eei dara arent does e acd ans T Ignition Noise Interference 0 ccc cee eee eee 8 Temporary Mobile Operation 0 0 0 0 cece eee 8 Operating Procedure to Receive 0 cece ee2. enter 2 Full counterclockwise rotation opens the gate allowing all signals in 3 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 Desired Squelch Setting DSS Strong Signals Strong Signals eee Adjust Squelch RF Gain Knob RF Gain amp Sql m Gate Closed Strong Signals eccccce0 0O Medium Signals e e o o o Medium Signals e e o o o Weak Signals e o e o eooo O Weak Signals e e e o o Noise e o e e o e e o o o o Noise e e o e eoo ee o e Medium Signals e e o o o Weak Signals eeccccc 00 0000 Noiseeeeeecececcccccce RF Gain This control is used to adjust receiver sensitivity Maximum sensitivity allows weak signals to be received However very strong signals such as from a nearby transmitter can cause distortion at that setting Adjust until the distortion disappears Reducing the receiver s RF Gain eliminates distortion from very strong incoming signals To set RF Gain 1 Full counterclockwise rotation minimizes gain for maximum distortion control 2 o achieve the desired level of distortion control turn the RF Gain knob counterclockwise until the distortion is eliminated 3 After moving away from the strong signal turn the RF Gain knob fully clockwise to receive all possible signals Adj
3. level Temporary Mobile Operation NOTE M Operating Procedure to Transmit Red Wire is connected to positive side Be sure the antenna is properly connected to the radio before transmitting of socket center tip Black Wire is connected Prolonged transmitting without an antenna or with a poorly matched to negative side contacts antenna could cause damage to the transmitter Radio resets to CH 9 when connected to EE To transmit cigarette lighter plug When using the unit with cigarette adapter turn off when not in use to avoid draining the battery 1 Select the desired channel 2 The receiver and transmitter are controlled by the Press to Talk switch on the microphone Press the switch and the transmitter is activated release switch to receive When transmitting on a Clear channel hold the microphone two inches from the mouth and speak clearly in a normal voice rs English Nothing comes close to a Cobra e O D Operating Your Mobile Radio Operating Your Mobile Radio Maintenance Adjustment Frequency Ranges Your Cobra CB transceiver is specifically designed for the environment encountered The Cobra 19 DX IV transceiver represents one of the most advanced AM in mobile installations The use of all solid state circuitry and its light weight result two way radios for use as a Class D station in the Citizens Radio Service in high reliability Should a failure occur however review the foll
4. 9 001 4 50 634 081 9 001 0 60 Four Pin Premium Noise Cancelling Microphone Four Pin Premium Noise Cancelling Microphone HG M84 74 95 HG M84W 74 95 Wood Grain Four Pin Power Microphone Four Pin Replacement Four Pin Noise Canceling Dynamic Microphone Microphone HG M73 19 95 HG M77 30 95 HG M75 25 95 21 Base Loaded Magnet 38 Base Loaded Magnet Mount Antenna Mount Antenna 54 Base Loaded Magnet Mount Antenna HG A1000 28 95 HG A1500 46 95 HG A2000 99 95 Dynamic Noise Canceling Noise Canceling With External Speaker External Speaker Talk Back External Speaker HG S100 21 95 HG S300 28 95 HG S500 32 95 For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281
5. NING Replacement or substitution of certain parts with replacements other than those recommended by Cobra may be a violation of the technical regulations of Part 95 of the FCC rules or of Type Acceptance requirements of Part 2 of those rules When making adjustments be sure to re read applicable portions of this instruction manual to make certain you are following correct procedure and that the radio was properly installed Transceiver Bracket fk A FEW RULES THAT SHOULD BE OBEYED 1 You are not allowed to carry on a conversation with another station for more than five minutes at a time without taking a one minute break to give others a chance to use the channel 2 You are not allowed to blast others off the air by overpowering them with illegally amplified transmitter power or illegally high antennas You are not allowed to use CB to promote illegal activities You are not allowed to use profanity You may not play music in your CB You may not use your CB to sell merchandise or professional service Antenna Connector Cc 0O A AN CHANNEL 9 EMERGENCY MESSAGES Use Channel 9 for emergency messages only The FCC gives the following examples of permitted and prohibited types of communications for use on Channel 9 These are guidelines and are not intended to be all inclusive Permitted A tornado sighted six miles of town Not Permitted This is observation post number 10 No tornado sighted Included in t
6. The Cobra line of quality products includes CB Radios microTALK Radios Radar Laser Detectors Safety Alert Traffic Warning Systems Handheld GPS Receivers Mobile GPS Navigation Systems HighGear Accessories CobraMarine VHF Radios Power Inverters Accessories For more information or to order any of our products please visit our website www cobra com Nothing comes close to a Cobra S Cobra Owner s Manual MOBILE RADIO Printed in China Part No 480 170 P Version A For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com English 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281 Our Thanks The CB Story s AGG Introduction Thank you for purchasing the Cobra 19 DX IV CB Radio Transceiver Properly used this Cobra product will give you many years of reliable service The Citizens Band Story 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 O Customer Assistance a Customer Assistance Should you encounter any problems with this product or not understand its many features please refer to this owner s manual If you require further assistance after reading this manual Cobra Electronics offers the following customer assi
7. cifications General Channels 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 30 C TO 65 C Microphone Plug in dynamic Input Voltage 13 8VDC nom negative ground Current Drain Transmit AM full mod 1 4A maximum Receive Squelched 0 9 A full audio output 1 2A nominal Size 65 D x 6 W x 1 H Weight 3 25 IDS Antenna Connector UHF S0 239 Meter LCD s indicates relative power output and received signal strength Power Output 4 watts Modulation AM Amplitude Modulation Frequency Response 300 to 3000 Hz Output Impedance 50 ohms unbalanced sensitivity Less than 1 V for 10dB S N selectivity 6 dB 7 KHz 60 dB 10KHz Image Rejection 60 dB typical Adjacent Channel Rejection 50 dB typical Automatic Noise Limiter Built in fi2l English Limited One Year Warranty For Products Purchased in the U S A Cobra Electronics Corporation warrants that its Cobra CB radios and the component parts thereof will be free of defects in workmanship and materials for a period of one year 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 accom
8. dditional 26 95 for FedEx Next Day or 10 95 for FedEx 2nd Day Excludes weekend and holiday shipments Please allow two to three weeks for delivery in the U S Prices subject to change without notice The Cobra line of quality products includes CB Radios microTALK Radios Radar Laser Detectors Safety Alert Traffic Warning Systems Handheld GPS Receivers Mobile GPS Navigation Systems HighGear Accessories CobraMarine VHF Radios Power Inverters Accessories State Province Zip Country Type J Visa O MasterCard O Discover Exp Date Tax Table California 7 25 Michigan 6 Illinois 8 75 Ohio 6 Tax if Applicable Indiana 6 Wisconsin 5 U S Subtotal Shipping Handling Total 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 Ordering from U S A Call 773 889 3087 for pricing or visit www cobra com For credit card orders complete and return this order form to fax number 773 622 2269 Or call 773 889 3087 Press 1 from the main menu 8 00 a m to 6 00 p m CT Monday through Friday Make check or money order payable to Cobra Electronics Attn Accessories Dept 6500 West Cortland Street Chicago IL 60707 USA To order online please visit our website www cobra com Nothing comes close to a Cobra Introduction e r9 D
9. e 9 Operating Procedure to Transmit 0 0 00 ccc 9 Maintenance Adjustment 0 0 cee ee eee 10 Frequency Ranges 0 ccc ccc eee eee eee eee T1 DNCOMIGAHONS 2 22 55 ere m bERT E oh DP ie how POE Ned bras RE 12 Warranty Limited One Year Warranty sss n n IRR 19 Customer Assistance Product Service ocoueclecciracad creer b Ri ERRARE Eus 14 ACCS SONOS S casse vb Ricetta ture EON een Nob enc BPE a 16 Order Form and Optional Accessories lesse 17 Warnings and Introduction ar m l l _ Installation and Start Up Y Warnings Mounting and Connections Select a location for the transceiver and microphone bracket that is convenient for operation In automobiles the transceiver is usually mounted to the underneath of the dash panel with the microphone bracket beside it A universal mounting bracket is supplied along with self tapping screws and star washers The transceiver is held in the universal mounting bracket by two thumb screws ZA permitting adjustment at the most convenient angle To mount and connect your transceiver 1 Hold the radio with mounting bracket in the exact location desired Remove the mounting bracket and use it as a template to mark the location for the mounting screws 2 Drill necessary holes and secure mounting bracket in location 3 Connect the antenna cable plug to the receptacle marked ANT on the back of the unit REPLACEMENT WAR
10. egulations FCC regulations permit only transmission one party to another rather than broadcast 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 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281 Nothing comes close to a Cobra s Customer Service Order Form Name Address No P O Boxes City Telephone Credit Card Number Customer Signature Amount Shipping Handling 10 00 or less 3 00 10 01 25 00 5 50 25 01 50 00 7 50 50 01 90 00 10 50 90 01 130 00 13 50 130 01 200 00 16 50 200 01 plus 10 of purchase For AK HI and PR add a
11. esence Be sure that power cord antenna and microphone of electrical noise Under most operating conditions when signal level is adequate are connected to the proper connectors before the background noise does not present a serious problem Also when extremely proceeding further The CB PA switch should be low level signals are being received the transceiver may be operated with vehicle in the CB position engine turned off The unit requires very little current and therefore will not To receive Significantly COPIE the vehicle patery EM 1 Turn the radio on by rotating the Even though this radio has an automatic noise limiter in some installations On Off Volume knob clockwise ignition interference may be high enough to make good communications Adjust Squelch RF Gain Knob 2 Rotate the Squelch RF Gain knob impossible Consult your authorized Cobra dealer or a two way radio technician RF Gain Sql i a P E INI EIC for help in locating and correcting the source of severe noise E signal is heard 9 3 Select the desired channel 4 Set the On Off Volume knob and the Squelch RF Gain knob to a comfortable Temporary Mobile Operation For Temporary Mobile Operation you may want to purchase an additional cigarette lighter adapter from your Cobra dealer This adapter and a magnetic mount antenna allow you to quickly install your transceiver for temporary use listening
12. his Package You should find all of the following items in this package CB Transceiver Microphone Transceiver Bracket Operating Manual For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281 Connect the red lead of the DC power cord to an accessory 12 volt fuse Connect the black lead to the negative side of the automobile This is usually the chassis Any convenient location with good electrical contact remove paint may be used NOTE Before installing the CB radio visually check the vehicle battery connections to determine which battery terminal positive or negative positive is the larger of the two is grounded to the engine block or chassis 6 Mount the microphone bracket on right side of the transceiver or near it using two screws Supplied When mounting in an automobile place the bracket under the dash so the microphone is readily accessible T Attach the four pin microphone cable to receptacle on front of unit and install unit in bracket securely Nothing comes close to a Cobra s e D Operating Your Mobile Radio Operation Antenna Connector 4 English Operation Antenna Connector This female Connector on the rear panel permits connection of the transmission line cable male connector to the transceiver On Off Volume Knob E
13. ics Corporation 6500 West Cortland Street Chicago Illinois 60707 U S A 6 If the radio is in warranty upon receipt of your radio it will either be repaired or exchanged depending on the model Please allow approximately three to four weeks before contacting Cobra for status If the radio 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 English For Products Purchased in Canada For out of warranty service ship prepaid this product to AVS Technologies Inc 2100 Trans Canada Hwy S Montreal Quebec H9P 2N4 We reserve the right to repair or replace the radio with an equivalent product Please include the following information Date of Purchase Model Number Dealer Purchased From Dealer Address Dealer Phone Number For Products Used in Canada Industry Canada Notice Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of this device For Products Purchased Outside the U S A or Canada Please contact your local dealer for product service information Nothing comes close to a Cobra n Customer Assistance Accessories Replacement Replacement Replacement Microphone Bracket Mounting Bracket Thumb Screws i 741 080 9 001 0 45 251 353
14. owing then if This unit features advanced Phase Lock Loop PLL circuitry providing necessary replace parts only with identical parts Do not substitute complete coverage of all 40 CB channels Check Power Source 1 Check connections to the source of power and make sure it is the 13 8 VDC required CB Channel Frequency CB Channel Frequency to operate your radio Channel in MHz Channel in MHz 2 Check the fuses in the DC power cord 1 26 965 21 27 215 The main power lead red has a two amp 3AG type fuse in its holder Use only the 2 20 975 22 27 229 above specified type and size fuse for 3 26 985 23 27 255 maximum protection Failure to do so Check Fuses in DC Power Cord will void the warranty 4 27 005 24 27 239 3 Make certain the microphone is properly 9 21 015 29 27 249 plugged in 6 21 025 26 21 265 4 Make certain the antenna is properly 7 27 035 27 27 215 assembled and connected 8 27 055 28 21 205 If you are unable to correct the problem refer to product service on page 14 for 9 21 065 29 21 295 Check Microphone Connection the correct procedure for warranty and 10 27 075 30 21 3905 post warranty service from Cobra 11 21 085 31 27 315 12 27 105 32 21325 18 27 115 33 21 335 14 21 125 34 21 345 15 21 135 35 27 000 16 21 159 36 21 365 17 27 105 or 21 315 18 27 175 38 217 385 19 27 185 39 21 395 20 21 205 40 21 405 English Nothing comes close to a Cobra n O Operating Your Mobile Radio Spe
15. panied 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 also have other rights which may 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 damages including without limitation 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 For Products Purchased Outside the U S A Please contact your local dealer for warranty information Trademark Acknowledgement Cobra Nothing comes close to a Cobra and the snake design are
16. registered trademarks of Cobra Electronics Corporation USA Cobra Electronics Corporation is a trademark of Cobra Electronics Corporation USA Nothing comes close to a Cobra is Customer Assistance Customer Assistance Product Service If you have any questions about operation or installing your new Cobra product or if you are missing parts Please call Cobra first DO NOT RETURN THIS PRODUCT TO THE STORE See customer assistance on page A1 For Products Purchased in the U S A If your product should require factory service please call Cobra first before sending your radio This will ensure the fastest turn around time on your repair You may be asked to send your radio to the Cobra factory It will be necessary to furnish the following 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 of 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 radio Include a typed or clearly printed name and address of where the radio is to be returned 4 Pack radio 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 Priority Mail to avoid loss in transit to Cobra Factory Service Cobra Electron
17. stance services For Assistance in the U S A Automated Help Desk English only 24 hours a day 7 days a week 773 889 3087 phone Customer Assistance Operators English and Spanish 8 00 a m to 6 00 p m CT Mon through Fri except holidays 773 889 3087 phone Questions English and Spanish Faxes can be received at 773 622 2269 fax Technical Assistance English only www cobra com on line Frequently Asked Questions English and Spanish productinfo cobra com e mail For Assistance Outside the U S A Contact Your Local Dealer English Product Features and Introduction Product Features Channel 9 NOR Channel 19 Button TX Indicator Icon Button LCD Channel Display Power Meter Normal E Cobra am A i BER IV CH 9 13 e Microphone Squelch Connector s Channel PR RF Gain Knob Selector Knob Volume Knob Public e External Address Jack Speaker Jack Antenna Connector Power Connection A2 English For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com Introduction Product Features Features e 40 CB Radio Channels e Instant Channels 9 19 NOR e PA System e Compact Size Button e Dynamic Microphone Connector Detail Microphone e Nine Foot Microphone Cord e Front Panel Microphone Connector e RF Gain FCC Regulations FCC R
18. ur dealer for information regarding an adequate grounding system NOTE Cobra loaded type antenna models HGA 1000 HGA 1500 and HGA 2000 are highly recommended for most installations Consult your Cobra dealer for further details or see order form on page 17 Three way combination antennas are available which allow operation of all three bands AM FM and CB using a single antenna However use of this type of antenna usually results in less than normal transmit and receive range when compared to a standard type Single Band antenna designed for CB only Microphone Connector Allows for convenient removal of the Microphone plug when storage is required The Microphone MUST be connected to the unit at all times when in use for proper operation Nothing comes close to a Cobra s T D Operating Your Mobile Radio Operation Squelch This control is used to cut off or eliminate receiver background noise in the absence of an incoming signal Adjust until the receiver noise disappears This will require the incoming signal to be slightly stronger than average receiver noise Further clockwise rotation will increase the threshold level which a signal must overcome in order to be heard Only strong signals will be heard at a maximum clockwise setting Squelch is the control gate for incoming signals To squelch your radio 1 Full clockwise rotation closes the gate allowing only very strong signals to
19. ust Squelch RF Gain Knob RF Gain amp Sql E T Operating Your Mobile Radio Operation Channel Selector Knob amp c obra 79 DX Iv S RF Power Meter TX Indicator Busy He Selecting a Channel Rotate the Channel knob clockwise until desired channel is displayed Channel 9 NOR Channel 19 Set CH 9 to obtain instant access to the emergency channel Set NOR position to use the channel knob to choose any of the 40 channels Set CH 19 to obtain instant access to the information and calling channel CB PA In the CB position the PA function is disabled and the unit will transmit and receive on the selected channel The PA function should not be used unless a PA speaker is connected In the PA position the transmit function is disabled and the microphone output will go only to the PA speaker S RF Power Meter Shows relative transmitter RF output power and input signal strength when receiving The Liquid Crystal Display LCD segments increase with signal strength TX Indicator The TX Indicator will light when in the transmit mode Busy will appear when there is an incoming signal Nothing comes close to a Cobra T D Operating Your Mobile Radio Operation T Operating Your Mobile Radio Operation Ignition Noise Interference On ONE Knee Operating Procedure to Receive Use of a mobile receiver at low signal levels is normally limited by the pr
20. xternal Speaker The external speaker jack on the rear panel is used for an External Speaker The external speaker should have 8 ohm impedance and be rated to handle at least 4 0 watts When the external speaker is plugged in the internal speaker is automatically disconnected NOTE Cobra external speakers are rated 15 watts Public Address PA An external PA speaker may be connected to the PA speaker jack when used as a public address system The speaker should be directed away from the microphone to prevent acoustic feed back Physical separation or isolation of the microphone and speaker must be employed when operating the PA at high output levels Power These wires supply Power to the CB radio This cable is permanently attached to the radio If you wish to remove the radio after installation disconnect at fuse holder and ground connector Microphone Connector 2 Operating Your Mobile Radio Turning on Your Mobile Radio Turn the On Off Volume knob clockwise to turn the power on and set the desired listening volume CB Antenna Only a properly matched Antenna system will allow maximum power output In mobile installations cars trucks boats etc an Antenna system that is non directional should be used When installed in a boat the transceiver will not operate at maximum efficiency without a ground plate unless the vessel has a steel hull Before installing the transceiver in a boat consult yo
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