Cobra 25 LX User Manual
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Cobra 25 LX User Manual

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How to Use Your Cobra 25 LX
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 & Mounting/Connection ..................................................2
Antennas
CB Antenna & Marine Installation ...................................................6
Ignition Noise Interference....................................................................7
Operating Your 25 LX
Turning On Your CB .............................................................................. 8
Setting Channel Selector .................................................................... 9
To Receive ................................................................................................ 10
Selecting a Channel .............................................................................. 10
S-Meter ...................................................................................................... 11
To Transmit .............................................................................................. 12
Setting Dynamike ® ............................................................................... 13
Menu Mode ............................................................................................. 14
Setting the Clock ................................................................................... 15
Setting the Alarm .................................................................................. 15
Setting the Count Down Timer ........................................................ 16
Setting Display Color Mode ............................................................... 17
Setting Brightness Mode .................................................................... 18
Setting Contrast Mode ........................................................................ 18
Key Tones Mode .................................................................................... 19
Radio Check Mode ................................................................................ 19
Software Version/Factory Settings ................................................. 20
NB/Off (Noise Blanker/Automatic ................................................... 21
Noise Limiter Switch)
RF Gain Control ...................................................................................... 21
Program Memory Channels ............................................................... 22
Scan CB Channels .................................................................................. 23
Scan/Memory Scan ............................................................................... 23
Scan Memory Channels ...................................................................... 23
Dimmer Control ..................................................................................... 23
Setting Squelch ...................................................................................... 24
S/RF Meter ................................................................................................ 26
External Speaker .................................................................................... 27
PA (Public Address) ............................................................................... 28
Home And Office Set-Up .................................................................... 30
Temporary Mobile Set-Up .................................................................. 31
How Your CB Can Serve You ................................................................. 32
A Few Rules You Should Know ........................................................32
Channel 9 Emergency Messages .....................................................32
CB 10 Codes .............................................................................................34
Frequency Ranges .....................................................................................36
25 LX Specifications ..................................................................................37
Warranty Information ..............................................................................38
Optional Accessories ................................................................................ 39
If You Need Service/Trademark Info ................................Back Cover
For Sales Information Please Contact
RoadTrucker Inc (www.RoadTrucker.com)
8312 Sidbury Rd.
Wilmington, NC 28411
(800) 507-0482 / (910) 686-4281
Features of This Product
• Selectable 4-Color LCD Display
• 40 CB Radio Channels
• 40 Channel Scan
• Memory Channels
• Channel Frequency Read-Out
• Radio Check Diagnostic
• Clock/Timer/Alarm
• 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
• Adjustable Dynamike Boost
• Tactile Controls
• 9 Ft Mic Cord
• Programmable Dimmer Control
• RF Gain
1

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Summary of Contents for Cobra 25 LX

  • Page 1 How to Use Your Cobra 25 LX Contents Features ......................1 Features of This Product The CB Story ....................A1 FCC Regulations, FCC Warnings & Included Accessories • Selectable 4-Color LCD Display Controls & Indicators ................A2 • 40 CB Radio Channels Our Thanks to You ..................A3 Customer Support •...
  • 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 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 3 Installation 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 Plug power cable into back of unit marked grounded to the chassis.

  • Page 4: Features

    773.889.3087 and speak to a Cobra representative. Even though the Cobra 25 LX has an automatic Note noise limiter, in some installations ignition inter- Because many newer trucks...

  • Page 5: Setting Channel Selector

    Operation Operation SCAN / M SCAN CH9 / 19 2 3 4 TX PWR Turning On Setting Channel Turning On Setting Channel Selector DIM / ESC Selector Make sure the power cord, antenna and micro- 5 7 9 +30dB phone are connected to their proper connectors SCAN / M SCAN CH9 / 19 before starting.

  • Page 6: To Receive

    Operation Operation SCAN / M SCAN CH9 / 19 2 3 4 TX PWR To Receive To Receive S-Meter S-Meter DIM / ESC Swings proportionately to strength of incoming 5 7 9 +30dB signal when receiving. RF GAIN DYNAMIKE CH9 / 19 2 3 4 TX PWR 5 7 9 +30dB...

  • Page 7: To Transmit

    Operation Operation SCAN / M SCAN Setting To Transmit CH9 / 19 Setting Dynamike® To Transmit 2 3 4 TX PWR ® Dynamike This controls the microphone sensitivity DIM / ESC SCAN / M SCAN (outgoing audio level). CH9 / 19 2 3 4 TX PWR 5 7 9 +30dB...

  • Page 8: Menu Mode

    ALARM CLOCK BRIGHTNESS Alarm DIM / ESC CONTRAST SET COUNT DOWN Your 25 LX can be utilized as an alarm clock. 5 7 9 +30dB To set the alarm, press Menu/Enter knob and Level 3: Level 4: select Set Alarm.

  • Page 9: Setting The Clock

    Operation Operation SCAN / M SCAN CH9 / 19 2 3 4 TX PWR DIM / ESC Setting the Setting Display Setting Display Color Mode Once alarm settings are complete, rotate Menu/Enter 5 7 9 +30dB knob clockwise to Set Snooze and press to select. Alarm continued Color Mode CH 9/...

  • Page 10: Setting Brightness Mode

    Operation Operation Setting Setting Brightness Mode Key Tones Mode On and Off Key Tones Brightness Mode Press Menu/Enter knob to select Set Brightness Press Menu/Enter knob and rotate clockwise Mode to Set Key Tones. Press Menu/Enter to set Key SET BRIGHTNESS Tones On/Off.

  • Page 11: Software Version/Factory Settings

    Operation Operation Software Software Version/Factory Settings NB OFF Button NB/OFF Button Version/Factory Displays current software version and returns unit to original factory settings. To view software Settings Note version, rotate Menu/Enter knob clockwise to CH9 / 19 2 3 4 TX PWR The RF noise blanker is very select Setting then Software Version.

  • Page 12: Program Memory Channels

    Operation Operation Program Memory Program Memory Channels Scan CB Channels Scan CB Channels Channels Set first channel. Press and hold Scan/MemScan To scan all 40 CB channels, the unit must be squelched. Press and release Scan/Mem Scan button. Memory icon will appear. Select second Note button once.

  • Page 13: Setting Squelch

    CH9 / 19 Operation Operation 2 3 4 TX PWR SCAN / M SCAN CH9 / 19 2 3 4 TX PWR 5 7 9 +30dB Setting Squelch DIM / ESC Setting Squelch Setting Squelch Squelch is the “control gate” for incoming signals. 5 7 9 +30dB RF GAIN...

  • Page 14: S/Rf Meter

    Note RF GAIN DYNAMIKE Connect an external speaker to the external Cobra external speakers are speaker jack on the rear panel. rated at 10 watts. For Sales Information Please Contact RoadTrucker Inc (www.RoadTrucker.com) 8312 Sidbury Rd.; Wilmington, NC 28411 - (800) 507-0482 / (910) 686-4281...

  • Page 15: Pa (Public Address)

    Operation Operation PA (Public PA (Public Address) Address) PUSH & HOLD 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 SCAN / M SCAN prevent acoustic feedback.

  • Page 16: Home And Office Set-Up

    Note For temporary mobile operation you may want to purchase an optional cigarette lighter adapter For further information call from your COBRA dealer. This adapter and a Cobra Customer Service magnetic mount antenna allow you to quickly 1.773.889.3087. “install” your transceiver for temporary use.

  • Page 17: How Your Cb Can Serve You

    How Your CB Can Serve You 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: •...
  • Page 18 How Your CB Can Serve You Code Meaning CB 10-Codes 10-25 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 provide quick and easy communication, especially 10-34 Trouble at this station in noisy areas.

  • Page 19: Frequency Ranges

    Frequency Ranges 25 LX Specifications GENERAL CHANNELS CB - 40 CH The Cobra 25 LX transceiver represents one of the FREQUENCY RANGE CB - 26.965 TO 27.405 MHZ most ad vanced AM two-way radios used as a Class FREQUENCY TOLERANCE 0.005 %...

  • Page 20: Optional Accessories

    Limited Two Year Warranty Optional Accessories You can find quality Cobra products and accessories at your local Cobra dealer, or in the U.S.A., you can order directly from Cobra. See ordering info on page 38. COBRA ELECTRONICS CORPORATION warrants that its...
  • Page 21 This will ensure the fastest turn-around time on your repair.” All transmitter adjustments other than those You may be asked to send your unit to the Cobra factory. It will be necessary to furnish the follow- supplied by the manufacturer as front panel ing in order to have the product serviced and returned.
  • Page 22 Our Thanks to You Optional Accessories Front Side Ordering From U.S.A. 4-Pin Microphone Thank you for purchasing the Cobra 25 LX CB Connector Call 773-889-3087 for pricing or visit www.cobra.com. Radio. Properly used, this Cobra product will give For Credit Card Orders Power On/Off, Volume you many years of reliable service.

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