Cobra 25 NW - Manual

Ignition Noise Interference Use of a mobile receiver at low signal levels isnormally limited by the presence of electricalnoise. The primary source of noise in automobilesis from the alternator and ignition system.Typically, when signal level is adequate, the back-ground noise does not present a ser...

The CB/PA button should be in the CB position. Operation Turning On 8 Turning On Make sure the power cord, antenna and micro-phone are connected to their proper connectorsbefore starting. 2 SIG 1 3 5 7 9 +30dB RF M I N M A X M I N M A X O F F 25 NW LTD CLASSIC 1 Rotate the On/Off Volume knob clockwi...

Operation 9 Setting ChannelSelector Setting Channel Selector Select one of forty channels and adjust volume. The selected channel is indicated bythe LED readout directly above the channelselector knob 1 M I N M A X M I N M A X O LTD CLASSIC

Rotate the On/Off Volume knob clockwisethe green RX/TX LED will be illiuminated. Operation 10 Switch to NOR to select desired channel. 1 Selecting AChannel Selecting A Channel Note Switch to 9 (Emergency) or 19(Information) for instant accessto these channels. 25 NW LTD CLASSIC To Receive 1 To Recei...

Operation 12 RF Gain Control Dimmer Control RF Gain Control The RF Gain is used to optimize reception instrong or weak signal areas. Dimmer Control Note The RF Gain is used to optimizereception in weak signal areas. Rotate the DIM knob clockwise formaximum brightness; counter-clockwisefor minimum. R...

Operation 13 NOISE WEAK SIGNALS MEDIUM SIGNALS STRONG SIGNALS G A T E C L O S E D NOISE WEAK SIGNALS MEDIUM SIGNALS STRONG SIGNALS NOISE WEAK SIGNALS MEDIUM SIGNALS STRONG SIGNALS G A T E O P E N NOISE WEAK SIGNALS MEDIUM SIGNALS STRONG SIGNALS Gate open Gate closed Setting Squelch Full clockwise ro...

15 Operation To Transmit To Transmit Caution! Be sure the antenna is properlyconnected to the radio beforetransmitting. Prolonged trans-mitting without an antenna, ora poorly matched antenna,could cause damage to thetransmitter. Be sure to read the F.C.C. Rulesand Regulations included withthis unit ...

Setting Dynamike This controls the microphone sensitivity (outgoing audio level). 16 SettingDynamike Operation 1 Initially, set fully clockwise so that maxi-mum voice volume is available. Dynamikemay have to be reduced in some conditions. SIG 1 3 5 7 9 +30dB RF M I N M A X M I N M A X O F F LTD CLAS...

17 Operation Transmit Push and hold mic button to transmit.Transmitter is now activated. When transmit-ting, hold the microphone two inches fromyour mouth and speak in a clear, normal voice.Release to receive. 1 PUSH &HOLD Transmit RF Meter RF Meter This meter swings proportionately to the RFout...

18 Operation External Speaker External Speaker The external Speaker jack is used for remotereceiver monitoring. Note The external speaker shouldhave 8-ohm impedance and berated to handle at least 4.0watts. When the external speak-er is plugged in, the internalspeaker is automatically discon-nected. ...

19 Operation PA (PublicAddress) PA (Public Address) Connect an external PA speaker to the PA jackon the rear panel. Note Speaker should have 8-ohmimpedance and be rated to handle at least 4.0 watts. Note The speaker should be directedaway from the microphone toprevent acoustic feedback. Note Activit...

Operation 20 Push and hold microphone button and speakin a normal voice. Your voice will sound on thePA speaker. Adjust PA speaker volume with the Dynamike control. 3 4 SIG 1 3 5 7 9 +30dB RF M I N M A X M I N M A X O F F LTD CLASSIC PUSH &HOLD

Temporary Mobile Set-Up 22 TemporaryMobile Set-Up Temporary Mobile Operation For temporary mobile operation you may want topurchase an optional cigarette lighter adapterfrom your COBRA dealer. This adapter and a mag-netic mount antenna allow you to quickly “install”your transceiver for temporary use...

Home And Office Set-Up 23 Base StationOperation(From 120V ACHouse Current) Base Station Operation(From 120V AC House Current) To operate your transceiver from home or officeyou will need a 13.8 volt DC Power Pack rated at aminimum of 2 amps, and a properly installed basestation antenna. Warning! Do ...

How Your CB Can Serve You 25 1. Set to channel 9 for emergencies Be sure antenna is properly connected. 2. CB Distress Data When transmitting an emergency, you shouldrequest a “REACT BASE” and provide the CB distress data (called CLIP): C all Sign Identify yourself. L ocation Be exact. I njuries Num...

How Your CB Can Serve You 26 The FCC gives these examples of permitted andprohibited messages for channel 9. These areonly 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 mi...

Frequency Ranges 29 The COBRA 25 NW transceiver represents one ofthe most advanced AM two-way radios used asa Class D station in the Citizens Radio Service.This unit features advanced Phase Lock Loop (PLL) circuitry providing complete coverage of all 40 CBchannels. 1 26.965 21 27.215 2 26.975 22 27....

25 NW Specifications 30 GENERALCHANNELS . . . . . . . . . . . . . . . . . . . . . . . . CB - 40 CH FREQUENCY RANGE . . . . . . . . . . . . . . . . CB - 26.965 TO 27.405 MHZFREQUENCY TOLERANCE . . . . . . . . . . . 0.005 %FREQUENCY CONTROL . . . . . . . . . . . . PLL (PHASE LOCK LOOP) SYNTHESIZEROPER...

Limited Two Year Warranty 31 COBRA ELECTRONICS CORPORATION warrants that itsCOBRA CB Radios, and the component parts thereof, willbe free of defects in workmanship and materials for periodof two (2) years from the date of first consumer purchase.This warranty may be enforced by the first consumer pu...

Optional Accessories 32 Replacement DC Power Cord For in vehicle use426-002-N-001 $7.50 Replacement MountingBracket For in vehicle use251-199-9-001 $4.50 Replacement Thumb Screws For in vehicle use634-081-9-001 $0.60 Replacement MicrophoneBracket For in vehicle use741-080-9-001 $0.45 38” Base Loaded...

Accessory Order Form 34 Tax TableIllinois residents add 7%Cook Co. residents add .75% (7.75% total)Chicago residents add 1% (8.75% total)Indiana residents add 5% For credit card orders fill out order formand fax to: 1.773.622.2269or call 1.773.889.3087(Press 1 from the main menu) 8:00 am - 6:00 pm, ...

The Cobra line of quality products also includes: • MicroTalk ™ Radios • Radar Detectors • SafetyAlert ® Traffic Warning Systems • HighGear ™ CB Accessories • HighGear ™ Power Inverters Nothing comes close to a Cobra ™

Cobra Electronics Corporation6500 West Cortland StreetChicago, IL 60707 Cobra Electronics Corp.© 2001Printed in China Part No. 25 NW MAN 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...

25 NW LTD CLASSIC CB Radio “Ingenious Products for Easier Communication.” Operating Instructions for your Cobra 25 NW LTD CLASSIC 25 NW LTD CLASSIC RF GAIN DYNA DIM

25 NW CB Radio “Ingenious Products for Easier Communication.” Operating Instructions for your Cobr 25 NW RF GAIN DYNA DIM SIG 1 3 5 7 9 +30dB RF M I N M A X M I N M A X O F F LTD CLASSIC The Citizens Band lies between the shortwavebroadcast and 10-meter Amateur radio bands,and was established by law...

ANT PA.SP. EXT.SP. + POWER – DATE OF MFG :JUNE 98 FCC ID:BBO3K229LTD COBRA MADE IN CHINA SERIAL NO.:806135776PRECISION ENGINEERED PRODUCT OFCOBRA ELECTRONICS CORP. CHICAGO, ILL.60707 Controls and Indicators A2 1. 4-Pin Microphone Connector 2. Power On/Off/Volume 3. Squelch 4. RF Gain/DynaMike 5. Dim...

Thank you for purchasing the Cobra 25 NW CBRadio. Properly used, this Cobra product will giveyou many years of reliable service. Customer Support Should you encounter any problems with theproduct or not understand its many features,please refer to this owner’s manual. If , after referring to the man...