Cobra 25 NW 25NWCLAS
Cobra 25 NW Manual
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Cobra 25 NW manual content summary:
- Cobra 25 NW | 25NWCLAS - Page 1
How to Use Your Contents Cobra 25 NW Features 1 The CB Story A1 FCC Regulations FCC Warnings Included Accessories Controls & Indicators A2 Our Thanks to You A3 Customer Support Installation Location 2 Mounting and Connection 2 Antennas CB Antenna 6 Marine Installation 6 Ignition Noise - Cobra 25 NW | 25NWCLAS - Page 2
thumbscrews which allow for adjustment at a convenient angle. Mounting and Connection 1 Hold the radio with the mounting bracket in the exact desired location. If there is no interference, must be mechanically strong, conveniently located. CB Transceiver 2 Drill the holes and secure the bracket. 2 - Cobra 25 NW | 25NWCLAS - Page 3
Installation FCC ID:BBO3K229LTD COBRA MADE IN CHINA SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF COBRA ELECTRONICS CORP. CHICAGO, ILL.60707 ANT PA.SP. EXT.SP. + POWER- 3 Connect the antenna cable plug to the receptacle marked "ANT" on the back of the unit. continued 3 - Cobra 25 NW | 25NWCLAS - Page 4
Installation Note Before installing the CB radio, visually check the vehicle's battery connection to determine which terminal, positive or negative, is grounded (positive is the larger of the two) to the engine - Cobra 25 NW | 25NWCLAS - Page 5
Installation TE OF JUNE 98 FCC ID:BBO3K229LTD COBRA MADE IN CHINA 806135776 PRECISION ENGINEERED PRODUCT OF ELECTRONICS CORP. CHICAGO, ILL.60707 ANT PA.SP. EXT.SP. + POWER- 6 Plug power cable into back of - Cobra 25 NW | 25NWCLAS - Page 6
MADE IN CHINA SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF COBRA ELECTRONICS CORP. CHICAGO, ILL.60707 ANT PA.SP. EXT.SP. + POWER- Note 3-way Combination Antennas are also available which allow operation of all three bands (AM-FM & CB), using a single antenna. However, this type of antenna - Cobra 25 NW | 25NWCLAS - Page 7
present a serious problem. Also, when extremely low level signals are being received, the transceiver may be operated with the vehicle's engine turned off. The unit requires very little current and therefore will not significantly discharge the vehicle's battery. Even though the Cobra 25 NW has an - Cobra 25 NW | 25NWCLAS - Page 8
power cord, antenna and microphone are connected to their proper connectors before starting. RF SIG 1 3 5 7 9 +30dB 25 NW LTD CLASSIC OFF MIN MAX MIN MAX 1 The CB/PA button should be in the CB position. LTD CLASSIC 2 Rotate the On/Off Volume knob clockwise to a normal listening level. 8 - Cobra 25 NW | 25NWCLAS - Page 9
Setting Channel Selector LTD CLASSIC Operation Setting Channel Selector MIN MAX MIN MAX 1 Select one of forty channels and adjust volume. The selected channel is indicated by the LED readout directly above the channel selector knob 9 - Cobra 25 NW | 25NWCLAS - Page 10
Operation To Receive To Receive LTD CLASSIC 1 Rotate the On/Off Volume knob clockwise the green RX/TX LED will be illiuminated. Selecting A Channel Selecting A Channel Note Switch to 9 (Emergency) or 19 (Information) for instant access to these channels. 25 NW LTD CLASSIC 1 Switch to NOR to - Cobra 25 NW | 25NWCLAS - Page 11
Operation S-Meter Swings proportionately to strength of incoming signal when receiving. S-Meter 11 - Cobra 25 NW | 25NWCLAS - Page 12
reception in strong or weak signal areas. Note The RF Gain is used to optimize reception in weak signal areas. RF SIG 1 3 5 7 9 +30dB 25 NW LTD CLASSIC OFF MIN MAX MIN MAX 1 Rotate the RF Gain knob counterclockwise to reduce gain in strong signal areas. In weak signal areas turn clockwise - Cobra 25 NW | 25NWCLAS - Page 13
MAX MIN MAX WEAK SIGNALS 1 Full clockwise rotation closes the gate allowing only very strong signals to enter. RF SIG 1 3 5 7 9 +30dB LTD CLASSIC NOISE Gate open STRONG SIGNALS MEDIUM SIGNALS OFF MIN MAX MIN MAX WEAK SIGNALS 2 Full counterclockwise rotation opens the "gate" allowing - Cobra 25 NW | 25NWCLAS - Page 14
Operation Gate set to Desired Squelch Setting (DSS) STRONG SIGNALS MEDIUM SIGNALS WEAK SIGNALS NOISE G AT E RF SIG 1 3 5 7 9 +30dB LTD CLASSIC OFF MIN MAX MIN MAX 3 To achieve the Desired Squelch Setting (DSS), turn the Squelch control counterclockwise until you hear noise. Now turn the - Cobra 25 NW | 25NWCLAS - Page 15
To Transmit LTD CLASSIC 0dB FF MIN MAX MIN MAX 1 Select desired channel. Operation To Transmit Caution! Be sure the antenna is properly connected to the radio before transmitting. Prolonged transmitting without an antenna, or a poorly matched antenna, could cause damage to the transmitter. Be - Cobra 25 NW | 25NWCLAS - Page 16
Operation Setting Dynamike Setting Dynamike This controls the microphone sensitivity (outgoing audio level). RF SIG 1 3 5 7 9 +30dB LTD CLASSIC OFF MIN MAX MIN MAX 1 Initially, set fully clockwise so that maximum voice volume is available. Dynamike may have to be reduced in some conditions - Cobra 25 NW | 25NWCLAS - Page 17
Transmit PUSH & HOLD Operation Transmit 1 Push and hold mic button to transmit. Transmitter is now activated. When transmitting, hold the microphone two inches from your mouth and speak in a clear, normal voice. Release to receive. RF Meter This meter swings proportionately to the RF output ( - Cobra 25 NW | 25NWCLAS - Page 18
for remote receiver monitoring. Note The external speaker should have 8-ohm impedance aDnATdE ObFe MFG :JUNE 98 rated to handle at least 4.0 FCC ID:BBO3K229LTD COBRA MADE IN CHINA watts. When the external speak- SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF er is plugged in, the internal - Cobra 25 NW | 25NWCLAS - Page 19
) PA (Public Address) OF JUNE 98 FCC ID:BBO3K229LTD COBRA MADE IN CHINA 6135776 GINEERED PRODUCT OF TRONICS CORP. CHICAGO to prevent acoustic feedback. RF SIG 1 3 5 7 9 +30dB 25 NW LTD CLASSIC Note Activity on the CB channel will be heard through the PA speaker. Adjust Volume Control for - Cobra 25 NW | 25NWCLAS - Page 20
Operation PUSH & HOLD 3 Push and hold microphone button and speak in a normal voice. Your voice will sound on the PA speaker. RF SIG 1 3 5 7 9 +30dB LTD CLASSIC OFF MIN MAX MIN MAX 4 Adjust PA speaker volume with the Dynamike control. 20 - Cobra 25 NW | 25NWCLAS - Page 21
Noise Limiter) Switch RF SIG 1 3 5 7 9 +30dB 25 NW LTD CLASSIC ANL (Automatic Noise Limiter) Switch OFF MIN MAX MIN MAX 1 . NB, OFF (Noise Blanker) Switch RF SIG 1 3 5 7 9 +30dB VOL SQL LTD CLASSIC OFF MIN MAX MIN NB, OFF (Noise Blanker) Switch Note The RF noise blanker is very - Cobra 25 NW | 25NWCLAS - Page 22
Temporary Mobile Set-Up Temporary Mobile Operation For temporary mobile operation you may want to purchase an optional cigarette lighter adapter from your COBRA dealer. This adapter and a magnetic mount antenna allow you to quickly "install" your transceiver for temporary use. DATE OF MFG :JUNE 98 - Cobra 25 NW | 25NWCLAS - Page 23
House Current) +- Warning! 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. 1 Simply connect the red (+) and black (-) leads of the transceiver to the corresponding terminals of the power pack - Cobra 25 NW | 25NWCLAS - Page 24
Home And Office Set-Up DATE OF MFG :JUNE 98 FCC ID:BBO3K229LTD COBRA MADE IN CHINA SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF COBRA ELECTRONICS CORP. CHICAGO, ILL.60707 ANT PA.SP. EXT.SP. + POWER- 2 Plug power cable into back of unit marked "Power". Be sure to observe polarity - Cobra 25 NW | 25NWCLAS - Page 25
How Your CB Can Serve You • Warn of traffic problems • Provide weather and road data • Provide help in event of C. You cannot use CB to promote illegal activities. D. Profanity is not allowed. E. You may not transmit music with a CB. F. Selling of merchandise and/or services is prohibited. 1. - Cobra 25 NW | 25NWCLAS - Page 26
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 Yes - Cobra 25 NW | 25NWCLAS - Page 27
How Your CB Can Serve You CB 10-Codes Citizen Bands have adopted the "10-CODES" for standard 10-23 10-24 10-25 10-26 10-27 10-28 Meaning Receiving poorly Receiving well Stop transmitting OK, message received Relay message Busy, stand by Out of service, leaving In service, subject to call Repeat - Cobra 25 NW | 25NWCLAS - Page 28
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 - Cobra 25 NW | 25NWCLAS - Page 29
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. Channel Channel CB Freq. CB Freq - Cobra 25 NW | 25NWCLAS - Page 30
25 NW Specifications 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 + 50° C MICROPHONE PLUG-IN - Cobra 25 NW | 25NWCLAS - Page 31
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 - Cobra 25 NW | 25NWCLAS - Page 32
Optional Accessories Replacement DC Power Cord For in vehicle use 426-002-N-001 $7.50 Replacement Mounting Bracket For in vehicle use 251-199-9-001 $4.50 Replacement Thumb Screws For in vehicle use 634-081-9-001 $0.60 Replacement Microphone Bracket For in vehicle use 741-080-9-001 $0.45 - Cobra 25 NW | 25NWCLAS - Page 33
Microphone HG M73 $19.95 Power Microphone HG M75 $25.95 4 Pin Noise Canceling Microphone HG M77 $30.95 HG A2000 $99.95 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 - Cobra 25 NW | 25NWCLAS - Page 34
46.95 $99.95 $74.95 $74.95 $74.95 $19.95 $30.95 $25.95 $21.95 $28.95 $32.95 Prices subject to change without notice. Tax Table Illinois CST. Make check or money order (no stamps) payable to: Cobra Accessories Dept. 6500 West Cortland St. Chicago, IL 60707 City State Zip Telephone ( ) Credit - Cobra 25 NW | 25NWCLAS - Page 35
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 25 NW | 25NWCLAS - Page 36
traceable carrier such as United Parcel Service (UPS) or First Class Mail to avoid loss in transit to: Cobra Factory Service, Cobra Electronics Corporation, 6500 W. Cortland St., Chicago, IL 60707. 6. If 1.773.889.3087 for assistance. Cobra Electronics Corp.© 2001 Printed in China Part No. 25 NW MAN - Cobra 25 NW | 25NWCLAS - Page 37
25 NW LTD CLASSIC Operating Instructions for your Cobra 25 NW LTD CLASSIC CB Radio 25 NW LTD CLASSIC RF GAIN DYNA DIM "Ingenious Products for Easier Communication." - Cobra 25 NW | 25NWCLAS - Page 38
2 1 RF SIG 1 3 5 7 9 +30dB LTD CLASSIC OFF MIN MAX MIN MAX 3 CB Transceiver 4 25 NW Operating Instructions for your Cobr CB Radio 5 25 NW RF GAIN DYNA DIM "Ingenious Products for Easier Communication." The CB Story The Citizens Band lies between the shortwave broadcast and 10-meter - Cobra 25 NW | 25NWCLAS - Page 39
CB/PA Switch 11. NB/Off Switch 12. ANL/Off Switch 13. Signal Strength Meter 12 11 10 9 8 13 RF SIG 1 3 5 7 9 +30dB LTD CLASSIC DATE OF MFG :JUNE 98 FCC ID:BBO3K229LTD COBRA MADE IN CHINA SERIAL NO.:806135776 PRECISION ENGINEERED PRODUCT OF COBRA ELECTRONICS CORP. CHICAGO, ILL.60707 ANT 17 PA - Cobra 25 NW | 25NWCLAS - Page 40
Thank you for purchasing the Cobra 25 NW CB Radio. Properly used, this Cobra product will give you many years of reliable service. Customer Support Should you encounter any problems with the product or not understand its many features, please refer to this owner's manual. If , after referring to the
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How to Use Your
Cobra 25 NW
Contents
Features
...........................................................................................
1
The CB Story
..................................................................................
A1
FCC Regulations
FCC Warnings
Included Accessories
Controls & Indicators
................................................................
A2
Our Thanks to You
......................................................................
A3
Customer Support
Installation
Location
.......................................................................................
2
Mounting and Connection
...................................................
2
Antennas
CB Antenna
................................................................................
6
Marine Installation
...................................................................
6
Ignition Noise Interference
...................................................
7
Operating Your 25 NW
Turning On Your CB
.................................................................
8
Setting Channel Selector
.......................................................
9
To Receive
...................................................................................
10
Selecting a Channel
................................................................
10
S-Meter
.........................................................................................
11
Dimmer Control
........................................................................
12
RF Gain Control
.........................................................................
12
Setting Squelch
.........................................................................
13
To Transmit
.................................................................................
15
Setting Dynamike
....................................................................
16
Transmit
.......................................................................................
17
RF Meter
......................................................................................
17
External Speaker
.......................................................................
18
PA (Public Address)
..................................................................
19
ANL (Automatic Noise Limiter) Switch
.............................
21
NB, OFF (Noise Blanker) Switch
...........................................
21
Temporary Mobile Set-Up
.....................................................
22
Home And Office Set-Up
.......................................................
23
How Your CB Can Serve You
...................................................
25
A Few Rules You Should Know
............................................
25
Channel 9 Emergency Messages
.......................................
25
CB 10 Codes
...............................................................................
27
Frequency Ranges
......................................................................
29
25 NW Specifications
................................................................
30
Warranty Information
..............................................................
31
Optional Accessories
.................................................................
32
Order Form
....................................................................................
34
If You Think You Need Service
.............................
Back Cover
Features of This Product
•
40 CB Radio Channels
•
Heavy-Duty Dynamic
Microphone
•
Full 4 Watts AM RF Power Output
•
Instant Channel 19 and 9
•
Front Panel 4-Pin Microphone
Connector
•
Switchable Noise Blanker
•
Switchable Automatic
Noise Limiter
•
Adjustable Dynamike Boost
•
Tactile Controls
•
Illuminated Front Panel
•
Dimmer Control
•
RF Gain
•
9 ft. mic cord
1
CAUTION: TO REDUCE THE RISK OF ELECTRIC
SHOCK DO NOT REMOVE COVER (OR BACK)
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
!
!