operation - RoadTrucker
Contents
1. 0 18 KEYLOCK vasstisastsfoassdevsttelestacivatinss 18 Frequency Display 0 19 All Channel Scan 20 Weather Channel csesssseeeee 21 Channel Saver seisseen 21 Memory Channels cseeeeee 22 Dual Watch icici ssid deieactvdaies 23 How your CB can serve you 24 A few rules you should know 24 Weather Channel Messages 25 Channel 9 Emergency Messages 26 CB TO COdeS arenose 27 Frequency Ranges 28 Specifications 29 Warranty Information 0 0 0 0 30 Optional Accessories 31 INTRODUCTION INTRODUCTION The Cobra 75WXST is the ultimate in handheld CB receivers specially designed with SoundTracker which practically eliminates annoying static to deliver crisp clear sound quality The compact state of the art design provides consistent outstanding performance in almost all conditions or situations For ultimate satisfaction and performance from your Cobra 75WXST please review these operating instructions fully prior to use FEATURES e SoundTracker System e 40 CB Radio Channels e 10 Weather Channels e One touch Emergency Channel 9 e Remote Mount Installation System e Full Featured LCD Display Panel e Squelch Control e Key Lock e Channel Saver Circuitry e Dual Watch Channel Monitor e Full Channel Scan e Four Memory Locations e 10 Foot Flexible Cord e Quick Disconnect TECHNICAL SUPPORT For technical assistance ple2. 44 I have a message for you 10 8 In service subject to call 10 45 All units within range 10 9 Repeat message please report 10 10 Transmission completed 10 50 Break channel standing by 10 60 What is next 10 11 Talking too rapidly message number 10 12 Visitors present 10 62 Unable to copy 10 13 Advise Weather Road use phone conditions 10 63 Net directed to 10 16 Make pick up at 10 64 Net clear 10 17 Urgent business 10 65 Awaiting your next 10 18 Anything for us message assignment 10 19 Nothing for you return to base 10 67 All units comply 10 20 My location is 10 70 Fire at 10 21 Call by telephone 10 71 Proceed with transmission 10 22 Report in person to oe a SEquUEn E 10 23 Stand by egative contact 10 24 Completed last assignment ani hotel hia for 10 25 Can you contact 2G IVE TOON OF 10 26 Disregard last information 10 84 My telephone number is 10 27 lam moving to channel 10 83 My address is 10 28 Identify your station ae ss ner fnulke 10 29 Time is up for contact 0 23 i Aaa le ON his ch 10 30 Does not conform to FCC rules eee 2 Iwill gi dio check 10 94 Please give me a 10 3 will give you a radio chec long count 10 33 EMERGENCY TRAFFIC 10 99 Mission completed all 10 34 Trouble at this station units secure 10 35 Confidential information 10 200 Police needed at time is For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910
3. 686 4281 28 FREQUENCY RANGE Your COBRA 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 and 10 weather channels as shown below CB Channel Freq CB Channel in MHz Channel 1 26 965 21 2 26 975 22 3 26 985 23 4 27 005 24 5 27 015 25 6 27 025 26 7 27 035 27 8 27 055 28 9 27 005 29 10 27 075 30 11 27 085 31 12 27 105 32 13 27 115 33 14 27 125 34 15 27 135 35 16 27 155 36 17 27 165 37 18 27 175 38 19 27 185 39 20 27 205 40 Channel Freq in MHz 27 215 27 225 27 255 27 235 27 245 27 265 27 275 27 285 27 295 27 305 27 315 27 325 27 335 27 345 27 355 27 365 27 375 27 385 27 395 27 405 Weather Weather Freq Channel in MHz 162 550 162 400 162 475 162 425 162 450 162 500 162 525 161 650 161 775 163 275 DOAN DOU BPWH subject to the following conditions This device complies with part 15 of the FCC rules Operation is 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation 75WXST SPECIFICATIONS GENERAL CHANNELS FREQUENCY RANGE FREQUENCY TOLERANCE FREQUENCY CONTROL OPERATING TEMPERATURE RANGE MICROPHONE INPUT VOLTAGE ANTENNA CONNECTOR METER WEIGHT TRANSMITTER POWE
4. Lock Key Indicator BATT TX Transmit Indicator Battery Low Indicator RX Receive Indicator Signal Strength Meter NOTE To avoid damaging the LCD display do not subject your LOW Low Power Setting M Memory Indicator CB radio to extreme temperatures below 5 F or above 140 Memory Channel Number extended periods of time TO RECEIVE 1 Your 75WXST is automatically in the receive mode TO TRANSMIT 2 Press the Press To Talk PTT key 3 Hold the microphone about 2 inches from your mouth and speak in a normal voice 4 Release the PTT button and you will automatically be in the receive mode again 17 a IZ 3 ema Save wx Rx Low Tx Ninan 3 ooo For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281 OPERATION OPERATION ONE TOUCH CHANNEL 9 AND 19 KEY LOCK FREQUENCY DISPLAY 18 19 EMERGENCY CHANNEL 9 OR INFORMATION CHANNEL 19 1 5 M SCAN Dv EREOUEN P OER C 3 4 no P _3 o Pu and old Meron Og lt 9 19 key once i key for approximately 3 MEMORY CHS DW SCA seconds 00 O mid 2 To access information channel 19 press Channel 9 19 key twice 2 Display will change to the 5 digit frequency of the GEESE T channel selected o5 1 2 3 APWR 3 Press again
5. Squelch control fully counterclockwise you open the gate and all signals come through 1 Change channels by pressing either the LY channel A up or channel Y down key CHANNEL 2 Channel DOWN To achieve the Desired Squelch Setting DSS 1 Turn SoundTracker on PTT 2 Turn the Squelch Control SQL counterclockwise until you hear nothing but static 2 To quick advance channels press and hold either key gt CHANNEL Ce 3 Slowly turn the Squelch Control back clockwise just until the static stops This is the optimum receiving level DSS allowing only strong signals to come through For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281 OPERATION LCD READOUT OPERATION TRANSMIT RECEIVE 16 371 LIM 5 SCAN Dw Loox Cu J Ema SAVE BATT GW cae Enio 77 ae LCD DISPLAY Your Cobra 75WXST CB is designed with a liquid crystal display that indicates channel number frequency and the operating mode 2 digit channel display 5 digit Scan Scan Indicator frequency display DW Dual Watch Indicator F Function key indicator EMG Emergency Channel 9 ST SoundTracker indicator SAVE Auto Battery Save AM Amplitude Modulation Indicator LOCK WX Weather Station
6. 482 910 686 4281 INSTALLATION CB ANTENNA INSTALLATION SPEAKERS NOISE INTERFERENCE 10 For the most reliable operation and maximum range Cobra recommends using a vertically polarized quarter length whip antenna illustration 1 Shorter loaded type whips are adequate when maximum range is not required illustration 2 NOTE Mobile installations cars trucks boats etc should be made only with a non directional antenna system e A standard antenna connector Type SO 239 is provided on the Connector Box for easy connection to a standard PL 259 cable termination e Cobra antenna models are recommended see your local CB dealer or order directly from Cobra See order form on page e For maximum efficiency in boat installations a ground plate is required unless the vessel has a steel hull Consult your CB dealer for information regarding an adequate grounding system 11 1 Mount external speaker in desired location as shown 2 Plug into the back of the Connector Box The external speaker should have 4 8 ohms impedance and be able to handle at least 4 watts IGNITION NOISE INTERFERENCE The alternator and ignition system in your vehicle may limit your ability to receive low signal levels Other noise interference can be the result of several different installation variables Consult your Cobra dealer or a 2 way radio technician to help locate and correct the source of severe noise interferenc
7. Operating instructions for your l Cobra 7OWXST COMPACT REMOTE MOUNT Ss C O b ra CB RADIO WITH SOUNDTRACKER COBRA ELECTRONICS CORPORATION ZN 6500 W Cortland Street GOUND T RACKERE Chicago Illinois 60707 SYSTEM www cobra com Cuts Noise Coming In Strengthens Signals Going Out MEMORY CH9 19 DW SCAN CB WX MIC Weather Radio For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281 Printed in China Cobra Electronics Corp 2012 Part no 480 156 P 001 Vers How to use your Q y Cobra 7 wxst CITIZENS BAND RADIO WITH SOUNDTRACKERe CONTENTS Introduction 3 Fetu S o cianunnoinnnonaninag 3 Technical Support and service 3 Controls and Indicators 4 5 Included with your 75WX ue 6 Installation c ccccceeeeteseeeteeeeeees 7 Connector Box Location 7 Mounting Connector Box 8 Microphone Hanger 9 JANITEM Midi Bastiaveas ca ceeainn acteenese 10 SPeakelSireiaticssiiuneututinnans 11 Noise Interference 11 SoundTracker System 11 Operation cence 12 Turning your CB On cess 12 Activating SoundTracker 0 12 Testing SoundTracket sseeeeeeee 13 Setting the Squelch ow eee 14 Selecting a Channel 15 LCD Readout icaiianiaeaindinds 16 Operation continued Transmit RECEIVE eters 17 One Touch Channel 9 amp 19 0
8. R OUTPUT MODULATION FREQUENCY RESPONSE OUTPUT IMPEDANCE RECEIVER CB SENSITIVITY IF FREQUENCY AUDIO OUTPUT FREQUENCY RESPONSE 2ND IF IMAGE REJECTION ADJACENT CH REJECTION AUTOMATIC NOISE LIMITER FREQUENCY CONTROL WEATHER SENSITIVITY IF FREQUENCY AUDIO OUTPUT FREQUENCY RESPONSE EMERGENCY ALERT TONE 29 CB 40 CH WEATHER 10 CH CB 26 965 TO 27 405 MHZ WEATHER 161 650 TO 163 275 MHZ 0 005 PLL PHASE LOCK LOOP SYNTHESIZER 30 CTO 65 C ELECTRET PUSH TO TALK 12 VDC EXTERNAL S0 239 LCD DISPLAY ICONS 1 Ib 3 5 W AT 9 VDC HIGH 1 0 W IN LOW 4 0 W AT 13 8 VDC HIGH 2 0 IN LOW AM 300 3000 HZ AT 6 DB 50 OHMS UNBALANCED LESS THAN 1 uV FOR 10 DB S N DUAL CONVERSION 1 ST 10 690 MHZ 2ND 455 KHZ 500 mW MAXIMUM AT 10 DISTORTION 300 3000 HZ AT 6 DB GREATER THAN 60 DB 50 DB MIN BUILT IN PLL PHASE LOCK LOOP LESS THAN 1 uV FOR 12 DB SINAD DUAL CONVERSION 1st 10 690 MHz 2nd 455 KHz MAXIMUM 500 mW AT 10 DISTORTION 300 3000 HZ AT 6 DB 1050 HZ TONE DECODER For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281 30 LIMITED TWO YEAR WARRANTY COBRA ELECTRONICS CORPORATION warrants that its COBRA CB Radios and the component parts thereof will be free of defects in workmanship and materials for period of two 2 years from the date of first consumer p
9. RY 1 Select desired channel to store in memory 2 Press and RELEASE the Memory key 3 Press and hold the desired Memory Location key to lock channel into memory RETRIEVING CHANNELS FROM MEMORY 1 Press and release the Memory key 2 Press and RELEASE the desired Memory Location key OQ MEMORY CHy DW SCA O a OQ MEMORY CHs DW _ SCA O a DUAL WATCH Allows you to simultaneously monitor any two preselected channels at one time 1 Adjust squelch SQL setting 2 Set CB to one of the stations you wish to monitor 3 Push and hold the DW key until a beep is heard 4 Repeat steps 2 and 3 to select the second channel you want monitored The HH75WXST will monitor both channels until it receives an incoming message NOTE Five seconds after the transmission stops it will again scan and monitor both channels O e MORY CH9 19 DW SCAM cB wx KFS O oe 1 3 5 I m m a l 24 HOW YOUR CB CAN SERVE YOU e Warn of traffic tie ups ahead e Provide weather and road information e Provide help fast in event of emergency or breakdown e Suggest good spots to eat and sleep e Make long trips more interesting and help keep you awake e Provide direct contact with your office or home e Make friends as you travel e Provide local information to find your destination e Communicate
10. ase 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 through this number 8 00 am 5 30 pm Monday through Friday Central Time For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281 INTRODUCTION INTRODUCTION CONTROLS AND INDICATORS CONTROLS AND INDICATORS SoundTracker Key Memory Key Channel 9 19 Key Memory Location 1 Key LCD Display Panel Dual Watch Memory Location 2 Key Scan Memory Location 3 Key CB Weather Channel Memory Location 4 Key On Off Volume Control Lock Key 10 Squelch Control 11 Channel Up 12 Channel Down 13 PTT Push To Talk Key 14 Microphone SCAN CONE 3 15 Speaker tongo SNOT Be Ne MIC INTRODUCTION INSTALLATION COMPONENTS INCLUDED CONNECTOR BOX LOCATION LOCATION Mount your Cobra 75WXST Connector Box in a convenient location away from moisture and direct sunlight in a location that will not interfere with driving O MEMORY CH9 19 DW SCAN CB WX O sr Cobra suggests mounting it either under the front seat or on the fire wall a UNDER THE FRONT SS SEAT INSTALLATION 75WXST Transceiver Connector Box Operating instructions for your Cobra FIRE WALL e
11. d to be all inclusive Permitted Example Message Yes A tornado sighted six miles north of town No This is observation post number 10 No tornado sighted Yes am out of gas on Interstate 95 at mile marker 121 No I am out of gas in my driveway Yes There is a four car collision at Exit 10 on the Beltway send police and ambulance No Traffic is moving smoothly on the Beltway Base to Unit 1 the Weather Bureau has just issued a thunderstorm warning Bring the sailboat into port Attention all motorists The Weather Bureau advises that the snow tomorrow will accumulate 4 to 6 inches There is a fire in the building on the corner of 6th and Main Streets This is Halloween patrol unit number 3 Everything is quiet here CB 10 CODES 27 Citizens Band radio operators have largely adopted the 10 code for standard questions and answers Its use permits faster communications and better understanding in noisy areas The following table lists some of the more common codes and their meanings Code Meaning Code Meaning 10 1 Receiving poorly 10 37 Wrecker needed at 10 2 Receiving well 10 38 Ambulance needed at 10 3 Stop transmitting 10 39 Your message delivered 10 4 OK message received 10 41 Please turn to channel 10 5 Relay message 10 42 Traffic accident at 10 6 Busy stand by 10 43 Traffic Tie up at 10 7 Out of service leaving air 10
12. e SOUNDTRACKERe SYSTEM While previous systems only blanked out or limited noise in higher sound frequencies the revolutionary new SoundTracker System actually reduces noise while leaving the signal intact in the reception mode In the transmission mode it actually strengthens the signal providing you with a significant reduction in noise OPERATION TURNING ON ACTIVATING SOUNDTRACKER OPERATION TESTING SOUNDTRACKER 12 TURNING YOUR CB ON 1 Rotate the power ON OFF Volume Control clockwise 2 Open the Squelch Control counterclockwise until noise is heard 3 Adjust volume to a comfortable level 1 Depress the SoundTracker key 2 ST will be displayed on the LCDureada 13 TESTING SOUNDTRACKER 2 Open the squelch control fully by turning the knob counterclockwise until it stops 1 Select any unused channel on your CB OOO 19 DW SCAN cB wx KF MEMORY CH9 19 DW O VOL A Sr 3 Turn the volume up louder than your normal listening level 5 Depress the SoundTracker key Notice the significant reduction in noise OPERATION OPERATION SETTING THE SQUELCH SELECTING A CHANNEL 14 15 SETTING THE SQUELCH Think of your Squelch Control as a gate for incoming signals If you turn SELECTING A CHANNEL Channel UP the Squelch Control fully clockwise you effectively close the gate and no signals will pass through If you turn the
13. ha INSTALLATION CB RADIO WITH SOUNDTRACKER NOTE Don not mount under the hood near heat ducts or in direct line of the car s heater Installation Hardware INSTALLATION CONNECTOR BOX INSTALLATION MICROPHONE HANGER 8 MOUNTING CONNECTOR BOX 1 Hold Cobra 75WXST Connector Box in exact location desired for mounting 2 Using it as a template mark the location for the mounting screws included NOTE Make certain that nothing will interfere with the installation of the mounting screws before drilling holes 3 Mount Connector Box as shown CONNECTING WIRES INSTALLING MICROPHONE HANGER 1 Hold microphone hanger in location desired for mounting Make certain that nothing will interfere with the hanger s installation 2 Mark the location for the three mounting screws screws included a 3 Drill and mount microphone hanger as shown 4 Connect the antenna cable plug 5 Connect the red wire marked BATT directly to the positive side of the battery or to a connection on the fuse box that is always on 6 Connect the black leader marked Ground to the negative side of the car usually the chassis Any other location with good electrical contact paint remo i also work For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com 8312 Sidbury Rd Wilmington NC 28411 800 507 0
14. nd or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations may not apply to you COBRA ELECTRONICS CORPORATION 6500 W Cortland Street Chicago Illinois 60707 For Sales Information Please Contact RoadTrucker Inc www RoadTrucker com i Replacement Microphone Bracket For in vehicle use Remote Connector Box AC 701 4 Foot Extension Cord AC 702 Dynamic External Speaker HG S100 Noise Canceling External Speaker HG 300 Noise Canceling With Talk Back External Speaker HG 500 31 Optional Accessories You can find 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 741 080 9 001 EOE OOE AA OA T E anananaymi FOr Credit Card Orders Complete and mail this order form to Cobra Electronics Attn Accessories Department 6500 West Cortland Street Chicago IL 60707 USA Or fax the completed form to us at 773 622 2269 You may also order by phone by calling 773 889 3087 press 1 from the main vi menu 8 00 a m to 5 30 p m Central Time Monday through Friday To order online please visit our website www cobra com 8312 Sidbury Rd Wilmington NC 28411 800 507 0482 910 686 4281
15. to return to the original channel selected 3 Push and hold Memory key until display changes back KEY LOCK 1 Press Key Lock button to prevent unintentional channel changing Press a second time to deactivate OPERATION OPERATION CHANNEL SCAN WEATHER CHANNELS CHANNEL SAVER 20 ALL CHANNEL SCAN WEATHER CHANNELS 1 Press the CB WX key 2 SCAN ne AMO 2 Press Up Down Channel keys to change stations 2 Press Scan key When activity is found on a channel 1 Set Squelch Control SQL to desired setting scanning will stop D A gt gaa F 19 19 DW SCAN CB WN A MIC 3 Press the CB WX key again to resume normal CB operation 3 Press any key to stop __ mD oe scanning sequence 4 m j MEMORY ChHy DW SCA O ma NOTE The 75WXST will stop scanning and monitor a channel when it receives an CHANNEL SAVER FEATURE incoming transmission Automatically retains the last channel used when CB is turned off and Five seconds after the returns you to that channel when CB is turned back on transmission stops the 75WXST will resume To function the red wire must be directly connected to either scanning 1 Positive battery terminal Connection on the fuse box that is always on OPERATION MEMORY CHANNELS OPERATION DUAL WATCH 22 SAVING CHANNELS IN MEMO
16. urchase This warran ty 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 For further details concerning procedures for obtaining service see the If You Think You Need Service section of the Owner s Manual 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 unau thorized 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 es 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 a
17. ve a question concerning NOAA Weather Radio or wish to receive a listing of NOAA Weather Radio receiver locations please contact your nearest National Weather Service Office or write to National Weather Service Attn W OM11 National Oceanic and Atmospheric Administration Silver Spring MD 20910 Note Some areas may not have a broadcast tower within the transmission range of your 75WX 26 USE CHANNEL 9 FOR EMERGENCY ONLY Operating Procedure for Emergency Communications 1 For EMERGENCY communications set radio to Ch 9 For non emergency communications select desired Channel by rotating the CHANNEL UP DOWN tuning knob until reaching the desired Channel Be sure the antenna is properly connected to the radio before trans mitting Prolonged transmitting without an antenna or use of a poorly matched antenna could cause damage to the transmitter When asking for aid on Channel 9 it is suggested that you request a REACT base to respond by saying Break Channel 9 for a REACT base and provide the CB DISTRESS DATA called CLIP CALL SIGN Identify yourself and vehicle LOCATION Be exact INJURIES Number Type Trapped PROBLEM Give details and help required Air CLIP repeatedly so any monitor can aid you If you don t receive a response on Ch 9 try Ch 14 or 19 FCC gives the following examples of permitted and prohibited types of communications for use on Channel 9 These are guidelines and are not intende
18. with friends and family during outdoor activities e Help law enforcement officers by reporting drunk and reckless drivers A FEW RULES YOU SHOULD KNOW 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 You are not allowed to blast others off the air by overpowering them with illegally amplified transmitter power or illegally high antennas You can t use the 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 N OUAU 25 WEATHER CHANNEL MESSAGES You can receive up to the minute local area weather reports provided by NOAA National Oceanic Atmospheric Administration 24 hours a day 7 days a week An agency of the U S Department of Commerce NOAA warns of dangerous weather charts our seas and skies guides our use and protection of ocean and coastal resources and conducts research to improve our understanding and stewardship of the environment The National Weather Service operates about 380 stations Approximately 90 percent of the Nation s population is within listening range of a NOAA Weather Radio broadcast A similar network of about 15 stations using the same frequencies broadcast continuous weather information across much of southern Canada If you ha
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