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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 1
How to Use Your
Cobra 25 WX NW ST
Contents
Features...........................................................................................1
The CB Story..................................................................................A1
FCC Regulations
FCC Warnings
Included Accessories
Controls & Indicators ................................................................A2
Our Thanks to You .....................................................
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 2 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 int e rf e re with the dri ver or passenger. The transceiver is usually mounted to the under- side of the dash with the microphone bracket beside it. Mounting and Connection Mounting and 1 Connection Hold the radio with the mounting bracket in the exact de
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 4 Installation Installation Note Connecting to an accessory fuse prevents the unit from being left on accidentally, and also per- mits operating the unit without running the engine. Note In positive ground vehicles the red wire goes to the chassis and the black wire is connected to 6 Plug power cable into back of unit marked the ignition switch. “Power” . Be sure to observe polarity markings. 7 Note Mount the microphone bracket on the right side Befo
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 6 Antennas Ignition Noise Interference Use of a mobile receiver at low signal levels is CB Antenna CB Antenna normally limited by the presence of electrical S i n ce the maximum allowable power output of noise. The primary source of noise in automobiles the tra n s m i t ter is limited by the FC C , the ant e n n a is from the alternator and ignition system. is cri t i cal in affe cting transmission distance. Only a Typically, when signal level is ad
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 8 Operation Operation Turning On Setting Channel Selector Turning On Setting Channel Selector Make sure the power cord, antenna and micro- phone are connected to their proper connectors before starting. 1 Select one of forty channels and adjust volume.The selected channel is indicated by the LED readout directly above the channel selector knob 1 The CB/ANL/PA button should be in the CB/ANL position and CB/WX on CB position. 2 Ro t ate the On/
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 10 Operation Operation S-Meter To Receive To Receive S-Meter Swings proportionately to strength of incoming signal when receiving. 1 Rotate the On/Off Volume knob clockwise the green RT/TX/WX LED will be illuminated. Selecting A Channel Selecting A Channel Note Switch to 9 (Emergency) or 19 (Information) for instant access to these channels. 1 Switch to NOR to select desired channel. 10 11
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 12 Operation Operation TM The SoundTracker System Activating SoundTracker™ Activating ™ While previous systems only “blanket out” or limit SoundTracker noise in higher sound frequencies, the revolution- TM ary new SoundTracker System actually reduces Note noise while leaving the signal intact in the recep- tion mode. In the transmission mode, it actually SoundTracker™ gives you strengthens the signal,providing you with a clearer, cleaner reception
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 14 Operation Operation NB, OFF (Noise Blanker) Switch Dim Control NB, OFF Dim/Dyna (Noise Blanker) Control Switch Note The RF noise blanker is very Note effective in reducing repetitive The Dim controls the brightness noises such as ignition interfer- of the front panel,signal strength ence. meter and channel display. 1 1 When switched to NB position the RF Noise Rotate the DIM knob clockwise for Blanker is activated, providing increased nois
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 16 Operation Operation Gate set to Desired Setting Squelch Setting Squelch Squelch Setting (DSS) Squelch is the “control gate” for incoming signals. Gate closed 3 To achieve the Desired Squelch Setting (DSS), turn the Squelch control counterclockwise until you hear noise. Now turn the control 1 Full clockwise rotation closes the gate clockwise just until the noise stops. This is the DSS setting. allowing only very strong signals to enter
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 18 Operation Operation To Transmit RF Meter To Transmit RF Meter This meter swings proportionately to the RF output (outgoing signal) while transmitting. 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 transmitter. 1 Select desired channel. Be sure to read the F.C.C. Rules External Speaker External Speaker and Re
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 20 Operation Operation PA (Public Address) 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 1 Connect an external PA speaker to the PA jack away from the microphone to on the rear panel. 3 prevent acoustic feedback. Push and hold microphone button and speak in a normal voice.Your voice will sound on the Note PA speaker. Activity on the CB channel will be heard
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 22 Operation Operation What is Weather Radio What You Should Know About Weather Weather Radio Weather NOAA Weather Radio (NWR) is a service of the If threatening weather is nearby, the National Information National Oceanic and Atmospheric Administration Weather Service may broadcast a 10 second alert (NOAA),of the U.S. Department of Commerce. 380 tone. This tone will be heard through the CB, even NWR stations are in operation by the U.S. if the CB/
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 24 Home And Office Setup Temporary Mobile Set-Up Base Station Operation Base Station (From 120V AC House Current) Operation (From 120V AC To operate your transceiver from home or office you will need a 13.8 volt DC Power Pack rated at a House Current) minimum of 2 amps, and a properly installed base station antenna. 2 Plug power cable into back of unit marked “Power” . Be sure to observe polarity markings. Warning! 3 Connect properly installed and m
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 26 How Your CB Can Serve You • Warn of traffic problems The FCC gives these examples of permitted and • Provide weather and road data prohibited messages for channel 9. These are • Provide help in event of an emergency only guidelines and not all-inclusive: • Provide direct contact with home or office • Assist police by reporting erratic drivers Permitted Example Message • Get “local information” to find destination • Communicate with family and
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 28 How Your CB Can Serve You How Your CB Can Serve You Code Meaning CB 10-Codes CB 10-Codes 10-29 Time is up for contact Citizen Bands have adopted the “10-CODES” for 10-30 Does not conform to FCC rules standard questions and answers. These codes 10-33 Emergency traffic p rovide quick and easy c o m m u n i ca t i o n ,e s pe c i a l l y 10-34 Trouble at this station in noisy areas. Following are some of the more 10-35 Confidential info
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 30 Frequency Ranges 25 WX NW ST Specifications GENERAL The COBRA 25 WX NW ST transceiver represents CHANNELS . . . . . . . . . . . . . . . . . . . . . . . CB - 40 CH FREQUENCY RANGE. . . . . . . . . . . . . . . CB - 26.965 TO 27.405 MHZ one of the most advanced AM two-way radios used WX - 162.400 TO 162.550 MHZ FREQUENCY TOLERANCE . . . . . . . . . . 0.005 % as a Class D station in the Citizens Radio Service. FREQUENCY CONTROL . . . . . . . . . . .
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 32 Limited Two Year Warranty Optional Accessories 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 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, R
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 34 Accessory Order Form Optional Accessories Item # Description Cost Ea. Qty. Amount 4 2 6 - 0 0 2 - N - 0 0 1 R e p l a ce m e nt DC Power C o rd $ 7 . 5 0 2 5 1 - 1 9 9 - 9 - 0 0 1 R e p l a ce m e nt M o u nting Br a c ke t $ 4 . 5 0 634-081-9-001 Replacement Thumb Screws $0.60 741-080-9-001 Replacement Microphone Bracket $0.45 AT 35 28” Full Range Center Load, Magnetic Mount Antenna $19.95 AT 55 25” Glass Mount Antenna $27.95 AT 70 39” Full Range
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 36 Notes Notes Notes Notes 36
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25 WX NW ST Manual 3.3 6/15/99 1:10 PM Page 38 25 WX NW ST Cobra Electronics Corporation 6500 West Cortland Street Chicago, IL60707 O pe rating Instr u ctions If You Think You Need Service for your C o b ra 25 WX NW ST For te c h n i cal assistance, please call our Au to m a ted Help Desk which can assist you by answering the most fr e q u e n t ly asked questions about C o b ra prod u ct s. CB Radio (773) 889-3087 24 hours a day, 7 days a week. A Consumer Service Representative can be reac
