background image

Setting Dynamike

This controls the microphone sensitivity
(outgoing audio level).

To Transmit

21

To Transmit

Setting
Dynamike

20

Transmit

RF Meter

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.

Be sure to read the F.C.C. Rules
and Regulations included with
this unit before transmitting.

Operation

Operation

1

Select desired      channel.

1

1

Initially, set fully       clockwise so that maxi-
mum voice volume is available. Dynamike
may have to be reduced in some conditions.

Transmit

Press 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.

1

The       S/RF-SWR-CAL switch must be in the
S/RF position.

RF Meter

This meter swings proportionately to the RF
output (outgoing signal) while transmitting.

148 NW ST manual 3.3  6/15/99 3:12 PM  Page 20

Summary of Contents for 148 NW ST

Page 1: ... How Your CB Can Serve You 27 A Few Rules You Should Know 27 Channel 9 Emergency Messages 27 CB 10 Codes 29 Frequency Ranges 31 148 NW ST Specifications 32 Warranty Information 33 Optional Accessories 34 Order Form 36 If You Think You Need Service Back Cover Features of This Product 40 CB Radio Channels 80 SSB Channels SoundTracker System Heavy Duty Dynamic Microphone Full 4Watts AM RF Power Outpu...

Page 2: ...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 Note The transceiver is held in the universal mounting bracket by four thumbscrews which allow for adjustment at a convenient angle The bracket includes two self tapping screws and star wash ers The mounting must be mechanically st...

Page 3: ...vehicle has its negative lead grounded to the chassis In a negative grounded vehicle connect the red lead of the DC power cord to an accessory 12 volt fuse Connect the black lead to the negative side of the vehicle This is usually the chassis Any con venient location with a good electrical contact remove paint may be used 4 5 Plug power cable into back of unit marked Power Be sure to observe polar...

Page 4: ...ill allow maximum power output Cobra loaded type antenna models are highly recommended for most installations Consult your Cobra dealer for further details or call 773 889 3087 and speak to a Cobra representative Marine Installation The transceiver will not operate at maximum effi ciency in a boat without a ground plate unless it has a steel hull Before attempting installation consult your dealer ...

Page 5: ...d micro phone are connected to their proper connectors before starting Setting Channel Selector 2 1 Rotate the On Off Volume knob clockwise to a normal listening level Select one of forty channels and adjust volume The selected channel is indicated by the LED readout directly above the channel selector knob 1 148 NW ST manual 3 3 6 15 99 3 12 PM Page 8 ...

Page 6: ... the ratio of the signal level to the noise level The higher the signal to noise ratio the better the sound How SoundTrackerTM Works On Reception Cuts noise coming in With a normal CB distant signals fall below the squelch level and are unintelligible With a SoundTrackerTM CB the noise level is cut up to 90 which increases the signal to noise ratio and dramatically improves signal clarity This als...

Page 7: ...ic Noise Limiter helps reduce noise created by the vehicle s electronics NB ANL ANL OFF Noise Blanker Automatic Noise Limiter Switch to When switched this button is used to shape the audio response to the operator s preference 1 When switched to ANL the Automatic Noise Limiter is activated This helps reduce noise created by the vehicle s electronics When switched to NB ANL position the RF Noise Bl...

Page 8: ... signal areas Rotate the RF Gain knob counterclockwise to reduce gain in strong signal areas In weak signal areas turn clockwise to increase gain For maximum brightness turn clockwise counterclockwise for minimum illumination 1 Select mode of operation from USB to AM to LSB Voice Lock USB AM LSB Switch 1 to Rotate to clarify receiver s frequencies above and below assigned frequencies Primarily use...

Page 9: ...ear noise Now turn the control clockwise just until the noise stops This is the DSS setting Setting Squelch Squelch is the control gate for incoming signals 17 16 Operation Operation 1 3 Gate set to Desired Squelch Setting DSS Gate closed Setting Squelch Full counterclockwise rotation opens the gate allowing all signals in 2 Gate open 148 NW ST manual 3 3 6 15 99 3 12 PM Page 16 ...

Page 10: ...ear the antenna See your antenna directions for more complete information Note The reading will be slightly high er on Channels 1 and 40 com pared to Channel 20 Note When switched to SWR position the meter needle should ideally be as far to the left as possible Anything over 3 is not accept able A slight antenna height adjustment higher or lower may be required Repeat recali bration step Note SWR ...

Page 11: ...ith this unit before transmitting Operation Operation 1 Select desired channel 1 1 Initially set fully clockwise so that maxi mum voice volume is available Dynamike may have to be reduced in some conditions Transmit Press 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 receiv...

Page 12: ...Accessories page 39 Connect an external speaker to the external speaker jack on the rear panel 1 PA Public Address PA Public Address Connect an external PA speaker to the PA jack on the rear panel Set CB PA switch to PA position Note Speaker should have 8 ohm impedance and be rated to handle at least 4 0 watts Note The speaker should be directed away from the microphone to prevent acoustic feedbac...

Page 13: ...urrent To operate your transceiver from home or office you will need a 13 8 volt DC Power Pack rated at a minimum of 2 amps and a properly installed base station antenna 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 cor...

Page 14: ...s and help needed Transmit CLIP repeatedly so any monitor can assist Channel 9 Emergency Messages Note If no response on channel 9 try channels 19 or 14 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 Get local information to find destination Communicate with family an...

Page 15: ...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 Receiving poorly 10 2 Receiving well 10 3 Stop transmitting 10 4 OK message received 10 5 Relay message 10 6 Busy stand by 10 7 Out of service leaving 10 8 In serv...

Page 16: ...2 Reserve room for 10 85 My address is 10 91 Talk closer to mic 10 93 Check my frequency on this channel 10 94 Give me a long count 10 99 Mission completed all units secure 10 200 Police needed at The COBRA 148 NW ST 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 pro...

Page 17: ...CIFICATIONS SUBJECTTO CHANGE WITHOUTNOTICE 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 year from date of first consumer purchase This war ranty may be enforced by the first consumer purchaser pro vided that the product is utilized within the U S A COBRA will without charge r...

Page 18: ...er Microphone For in vehicle use CA 77 24 95 Echo Noise Canceling Microphone For in vehicle use CA 79 59 95 Replacement DC Power Cord For in vehicle use 420 071 9 001 7 50 Replacement Mounting Bracket For in vehicle use 250 044 N 001 4 50 ReplacementThumb Screws For in vehicle use 634 088 9 001 0 60 Replacement Microphone Bracket For in vehicle use 741 080 9 001 0 45 28 Full Range Center Load Magn...

Page 19: ...acement Mounting Bracket 4 50 634 088 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 Base Load Magnetic Mount Antenna 24 95 ATW 400 44 Full Range Center Load Dual Band CB WX Antenna 27 95 CA 73 Replacement Dynamic Microphone 12 95 CA 75 Power Mi...

Page 20: ... furnish the following in order to have the product serviced and returned 1 For Warranty Repair include some form of proof of purchase such as a mechanical reproduction or carbon or a sales receipt If you send the original receipt it cannot be returned 2 Send the entire product 3 Enclose a description of what is happening with the unit Include a typed or clearly print name and address of where the...

Page 21: ...upervision of the holder of an FCC issued General Radio Telephone Operator s License 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 You should read and understan...

Page 22: ...rring to the manual you still need help call Cobra Customer Service at 773 889 3087 Controls and Indicators Cobra Customer Service Live operators are available M F 8 00 am 8 00 pm CST at 773 889 3087 Automated Technical Assistance available 24 hours a day seven days a week E mail questions to productinfo cobraelec com Cobra on the WorldWide Web Frequently Asked Questions FAQ can be found on line a...

Page 23: ...Notes Notes Notes Notes 148 NW ST manual 3 3 6 15 99 3 12 PM Page 43 ...

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