Cobra 25 NW Operating Instructions Manual
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Summary of Contents for Cobra 25 NW
- Page 1 Downloaded from www.cbradio.nl 25 NW LTD CLASSIC for your Cobra 25 NW LTD CLASSIC Operating Instructions CB Radio “Ingenious Products for Easier Communication.”...
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Page 2: The Cb Story
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. - Page 3 M A X Public Address Speaker Jack External Speaker Jack Antenna Connector Power Jack DATE OF FCC ID:BBO3K229LTD MFG :JUNE 98 COBRA PA.SP. EXT.SP. MADE IN CHINA – POWER SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF COBRA ELECTRONICS CORP. CHICAGO, ILL.60707...
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Page 4: Our Thanks To You
Our Thanks to You Thank you for purchasing the Cobra 25 NW CB Radio. Properly used, this Cobra product will give you many years of reliable service. Cobra Customer Service Live operators are available M-F 8:00 am - 6:00 pm CST at: Customer Support 773.889.3087... -
Page 5: Table Of Contents
CB Antenna ................6 • Full 4 Watts AM RF Power Output Marine Installation..............6 Ignition Noise Interference ...........7 • Instant Channel 19 and 9 Operating Your 25 NW Turning On Your CB ..............8 • Front Panel 4-Pin Microphone Setting Channel Selector............9 Connector To Receive ...................10... -
Page 6: Installation
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 interfere with the driver or passenger. The transceiver is usually mounted to the under- side of the dash with the microphone bracket beside it. - Page 7 Installation FCC ID:BBO3K229LTD COBRA PA.SP. EXT.SP. MADE IN CHINA — POWER SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF COBRA ELECTRONICS CORP. CHICAGO, ILL.60707 Connect the antenna cable plug to the recep- tacle marked “ANT” on the back of the unit. continued...
- Page 8 Installation Note Before installing the CB radio, visually check the vehicle’s battery connection to deter- mine which terminal, positive or negative, is grounded (pos- itive is the larger of the two) to the engine block (or chas- sis). A negatively grounded vehicle has its negative lead grounded to the chassis.
- Page 9 Installation TE OF FCC ID:BBO3K229LTD JUNE 98 COBRA PA.SP. EXT.SP. MADE IN CHINA – POWER 806135776 PRECISION ENGINEERED PRODUCT OF ELECTRONICS CORP. CHICAGO, ILL.60707 Microphone Plug power cable into back of unit marked “Power” . Be sure to observe polarity markings.
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Page 10: Antennas
Cobra loaded type the roof. Second choice is on the antenna models are highly recommended for center of the trunk. most installations. Consult your Cobra dealer for further details, or call 773.889.3087 and speak to Note a Cobra representative. -
Page 11: Ignition Noise Interference
The unit requires very little current and therefore will not signifi- cantly discharge the vehicle’s battery. Even though the Cobra 25 NW has an automatic noise limiter, in some installations ignition interference may be high enough to make good communications impossible. -
Page 12: Operating Your 25 Nw Turning On Your Cb
Operation Turning On Turning On Make sure the power cord, antenna and micro- phone are connected to their proper connectors before starting. 25 NW LTD CLASSIC SIG 1 5 7 9 +30dB O F F M I N M A X... -
Page 13: Setting Channel Selector
Operation Setting Channel Selector Setting Channel Selector LTD CLASSIC M I N M A X M I N M A X Select one of forty channels and adjust volume. The selected channel is indicated by the LED readout directly above the channel selector knob... -
Page 14: To Receive
Rotate the On/Off Volume knob clockwise the green RX/TX LED will be illiuminated. Selecting A Selecting A Channel Channel 25 NW LTD CLASSIC Note Switch to 9 (Emergency) or 19 (Information) for instant access to these channels. Switch to NOR to select desired channel. -
Page 15: S-Meter
Operation S-Meter S-Meter Swings proportionately to strength of incoming signal when receiving. -
Page 16: Dimmer Control
RF Gain Control RF Gain Control The RF Gain is used to optimize reception in strong or weak signal areas. 25 NW LTD CLASSIC SIG 1 5 7 9 +30dB Note The RF Gain is used to optimize reception in weak signal areas. -
Page 17: Setting Squelch
Operation Setting Squelch Setting Squelch Squelch is the “control gate” for incoming signals. Gate closed CLASSIC STRONG SIGNALS SIG 1 5 7 9 +30dB MEDIUM SIGNALS O F F WEAK SIGNALS M I N M A X M I N M A X Full clockwise rotation closes the gate... - Page 18 Operation Gate set to Desired Squelch Setting (DSS) LTD CLASSIC SIG 1 5 7 9 +30dB STRONG SIGNALS MEDIUM SIGNALS O F F M I N M A X M I N M A X WEAK SIGNALS To achieve the Desired Squelch Setting (DSS), turn the Squelch control counterclockwise NOISE...
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Page 19: To Transmit
Operation To Transmit To Transmit LTD CLASSIC 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 M I N M A X M I N M A X transmitter. -
Page 20: Setting Dynamike
Operation Setting Setting Dynamike Dynamike This controls the microphone sensitivity (outgoing audio level). LTD CLASSIC SIG 1 5 7 9 +30dB O F F M I N M A X M I N M A X Initially, set fully clockwise so that maxi- mum voice volume is available. -
Page 21: Transmit
Operation Transmit Transmit PUSH & HOLD Push and hold mic button to transmit. Transmitter is now activated. When transmit- ting, hold the microphone two inches from your mouth and speak in a clear, normal voice. Release to receive. RF Meter RF Meter This meter swings proportionately to the RF output (outgoing signal) while transmitting. -
Page 22: External Speaker
POWER watts. When the external speak- SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF er is plugged in, the internal COBRA ELECTRONICS CORP. CHICAGO, ILL.60707 speaker is automatically discon- nected. Note Connect an external speaker to the external Cobra external speakers are speaker jack on the rear panel. -
Page 23: Pa (Public Address)
Connect an external PA speaker to the PA jack away from the microphone to on the rear panel. prevent acoustic feedback. Note Activity on the CB channel 25 NW CLASSIC will be heard through the PA speaker. Adjust Volume Control SIG 1 5 7 9 +30dB for normal listening level. - Page 24 Operation PUSH & HOLD Push and hold microphone button and speak in a normal voice. Your voice will sound on the PA speaker. LTD CLASSIC SIG 1 5 7 9 +30dB O F F M I N M A X M I N M A X Adjust PA speaker volume with the...
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Page 25: Anl (Automatic Noise Limiter) Switch
Operation ANL (Automatic Noise Limiter) Switch ANL (Automatic Noise Limiter) Switch 25 NW LTD CLASSIC SIG 1 5 7 9 +30dB O F F M I N M A X M I N M A X When switched to ANL the Automatic Noise Limiter is activated. -
Page 26: Temporary Mobile Set-Up
Mobile Set-Up For temporary mobile operation you may want to purchase an optional cigarette lighter adapter from your COBRA dealer. This adapter and a mag- netic mount antenna allow you to quickly “install” your transceiver for temporary use. DATE OF... -
Page 27: Home And Office Set-Up
Do not attempt to operate this transceiver by connecting it directly to 120 vac. Note For further information call Cobra Customer Service 1.773.889.3087. Simply connect the red (+) and black (-) leads of the transceiver to the corresponding terminals of the power pack. - Page 28 MADE IN CHINA – POWER SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF COBRA ELECTRONICS CORP. CHICAGO, ILL.60707 Plug power cable into back of unit marked “Power” . Be sure to observe polarity markings. Connect properly installed and matched base station antenna.
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Page 29: How Your Cb Can Serve You
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 • Assist police by reporting erratic drivers •... - Page 30 How Your CB Can Serve You The FCC gives these examples of permitted and prohibited messages for channel 9. These are only guidelines and not all-inclusive: Permitted Example Message “Tornado sighted six miles north of town.” “Post number 10. No tornado sighted.” “Out of gas on I-95 at mile marker 211.”...
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Page 31: Cb 10 Codes
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 provide quick and easy communication, especially in noisy areas. Following are some of the more common codes and meanings: Code Meaning 10-1... - Page 32 How Your CB Can Serve You Code Meaning 10-29 Time is up for contact 10-30 Does not conform to FCC rules 10-33 Emergency traffic 10-34 Trouble at this station 10-35 Confidential information 10-36 Correct time is 10-37 Wrecker needed at 10-38 Ambulance needed 10-39...
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Page 33: Frequency Ranges
Frequency Ranges The COBRA 25 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. -
Page 34: 25 Nw Specifications
25 NW Specifications GENERAL CHANNELS ......CB - 40 CH FREQUENCY RANGE....CB - 26.965 TO 27.405 MHZ FREQUENCY TOLERANCE . -
Page 35: Warranty Information
You must pay any initial shipping charges required to ship 6500 West Cortland Street the product for warranty service, but the return charges will be at Cobra's expense, if the product is repaired or Chicago, Illinois 60707 replaced under warranty. -
Page 36: Optional Accessories
Optional Accessories Replacement Mounting Replacement Thumb Screws Replacement DC Power Cord Bracket For in vehicle use For in vehicle use For in vehicle use 634-081-9-001 $0.60 426-002-N-001 $7.50 251-199-9-001 $4.50 Replacement Microphone 21” Base Loaded Magnet 38” Base Loaded Magnet Bracket Mount Antenna Mount Antenna... - Page 37 HG S500 $32.95 You Can Find These Fine Accessories At Your Local Cobra CB Dealer If you wish, you can order directly from Cobra. Order by phone Call 1.773.889.3087 (Press 1 from the main menu) 8 a.m.-6 p.m. M-F CST.
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Page 38: Order Form
For AK, HI and PR please add or call 1.773.889.3087 payable to: an additional $15.00 for UPS (Press 1 from the main menu) Cobra Accessories Dept. shipments. 6500 West Cortland St. Chicago, IL 60707 Please print clearly Name Address (No P.O. Box) - Page 39 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 ™...
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Page 40: If You Think You Need Service
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 follow- ing in order to have the product serviced and returned.
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