Operation Manual

ManualsBrandsCobra ManualsAudio25 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

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

How to Use Your Cobra 25 LX

25LX_MANL.indd 1 11/15/11 9:42 AM

Summary of content (22 pages)

PAGE 1
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 .......................................................................
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 underside 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 determine which terminal, positive or negative, is grounded (positive is the larger of the two) to the engine block (or chassis). A negatively grounded vehicle has its negative lead grounded to the chassis. Note 6 Plug power cable into back of unit marked “Power”. Be sure to observe polarity markings.
PAGE 4
Antennas Ignition Noise Interference CB Antenna CB Antenna Since the maximum allowable power output of the transmitter is limited by the FCC, the antenna is critical in affecting transmission distance. Only a properly matched antenna system will allow maxiNote mum power output. Cobra loaded type antenna For optimum performance in models are highly recommended for most instalpassenger cars the ideal anten- lations.
PAGE 5
Operation Operation SCAN / M SCAN CH9 / 19 Turning On Turning On Make sure the power cord, antenna and micro-NB phone are connected to their proper connectors CH9 / 19 2 3 4 TX PWR 1 before starting. TX VOL SQ VOL MEM M E P U SH E N TE NU DYNAMIKE RF GAIN Note MIN MAX MIN DYNAMIKE 3 MIN MAX Select one of forty channels and adjust MIN volume.
PAGE 6
Operation Operation SCAN / M SCAN CH9 / 19 To Receive 2 3 4 TX PWR 1 TX To Receive CB / PA SIG NB 3 1 S-Meter RX 5 79 +30dB VOL MEM M SQ E P U SH E N TE NU R DYNAMIKE RF GAIN SCAN / CH9 / 19 2 3 4 TX PWR 1 MIN NB Selecting A Channel CH9 / 19 Rotate the On/Off Volume knob clockwise. The RX icon will be displayed. NB 3 SIG VOL OFF 1 10 25LX_MANL.
PAGE 7
Operation Operation SCAN / M SCAN To Transmit CH9 / 19 2 3 4 TX PWR 1 To Transmit CB / PA NB SIG 3 1 5 79 +30dB 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 sure to read the F.C.C. Rules and Regulations included with this unit before transmitting.
PAGE 8
Operation Operation Menu Mode Setting the Clock Menu Mode SCAN / M SCAN Using the clock, alarm and countdown functions. DIM / ESC To set the clock, press Menu/Enter knob and select Set Clock. 3 4 TX PWR special features. Menu/Enter Used1 to2program TX knob is used to move cursor to desired feature RX to program. 5 79 3 1 CH9 / 19 CB / PA Note Use Dim/Escape button to NB exit from any routine back to CB standby mode.
PAGE 9
Operation Setting the Alarm continued NB/ANL SWR 1.5 2 Note ANL F CAL RF Setting the Count Down Timer NB 1 VOL M SQ EN U SH E N U P TE Length. Select Alarm Length to set alarm duration (from 10 to 300 seconds). Pressing Menu/Enter CH9 / 19 1 knob returns unit to exit, Set Snooze or Alarm Length.
PAGE 10
Operation Operation Setting Brightness Mode Setting Brightness Mode Key Tones Mode On and Off Press Menu/Enter knob to select Set Brightness Press Menu/Enter knob and rotate clockwise to Set Key Tones. Press Menu/Enter to set Key Tones On/Off. SET BRIGHTNESS DAY-BRIGHT NIGHT-DIM Note If an attempt is made to exceed the highest or lowest brightness levels, 1 error beep will be heard. Rotate Menu/Enter knob clockwise to Select Brightness. Press Menu/Enter knob to select Day-Bright.
PAGE 11
Operation Software Version/Factory Settings Operation Software Version/Factory Settings Note CH9 / 19 2 3 4 TX PWR 1 CB / PA CONTRAST RADIO CHECK SETTING Note Default display color is green. NB OFF Button NB/OFF Button Displays current software version and returns unit to original factory settings. To view software version, rotate Menu/Enter knob clockwise to select Setting then Software Version. SIG NB SOFTWARE VER GO TO DEFAULT 1 To restore default settings, Press Menu/Enter knob again.
PAGE 12
Operation Program Memory Program Memory Channels Channels Set first channel. Press and hold Scan/MemScan The radio should be squelched before scan features are activated. Note 1 SIG RX If more than 10 channels are 5 79 +30dB attempted to be programmed, U SH E N U P T 3 error beeps will be E Nheard and E R M VOL SQ Full” will be displayed “Memory for 10 seconds or until any button is pushed.
PAGE 13
CH9 / 19 Operation CH9 / 19 CB / PA Setting Squelch Gate closed 2 3 4 TX PWR 1 TX STRONG SIGNALS VOL SQ SIG NB 5 7 3 SquelchSIG is the gate” for incoming signals.
PAGE 14
Operation Operation S/RF Meter External Speaker S/RF Meter External Speaker This meter swings proportionately to the RF output (outgoing signal) and incoming receive signal. The external speaker jack is used for remote receiver monitoring. Note CH9 / 19 2 3 4 TX PWR 1 have 8-ohm impedance and be rated to handle at least 4.0 watts. DIM / ESCWhen the external speaker is plugged in, the internal speaker is automatically disconnected. See accessory page 43.
PAGE 15
Operation PA (Public Address) Operation PA (Public 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 prevent acoustic feedback. CH9 / 19 Note SCAN / M SCAN 1 1 Connect 2 3 4 anTX external PWR on the rear panel. 5 79 +30dB 3 CH9 / 19 VOL MEM M 2 3 4 TX PWR 1 SQ OFF 2 25LX_MANL.
PAGE 16
Home And Office Set-Up Base Station Operation (From 120V AC House Current) Base Station Operation (From 120V AC House Current) To operate your transceiver from home or office you will need a 13.2 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 120V AC. 2 Plug power cable into back of unit marked “Power”. Be sure to observe polarity markings.
PAGE 17
How Your CB Can Serve You How Your CB Can Serve You • • • • • • • • • A Few Rules You Should Know Channel 9 Emergency Messages 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 and friends Suggest spots to eat and sleep Keep you alert while traveling A Few Rules You Should Know A.
PAGE 18
How Your CB Can Serve You 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 10-1 10-2 10-3 10-4 10-5 10-6 10-7 10-8 10-9 10-10 10-11 10-12 10-13 10-16 10-17 10-18 10-19 10-20 10-21 10-22 10-23 10-24 10-25 10-26 10-27 10-28 34 25LX_MANL.
PAGE 19
Frequency Ranges 25 LX Specifications The Cobra 25 LX 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. Channel In MHz Channel In MHz 1 2 3 4 5 26.965 26.975 26.985 27.005 27.015 21 22 23 24 25 27.215 27.225 27.255 27.235 27.245 6 7 8 9 10 27.025 27.035 27.055 27.065 27.
PAGE 20
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 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.
PAGE 21
25 LX If You Think You Need Service For technical assistance, please call our Automated Help Desk which can assist you by answering the most frequently asked questions about Cobra products. (773) 889-3087 24 hours a day, 7 days a week.
PAGE 22
Controls and Indicators Our Thanks to You Optional Accessories Front Side 1. 4-Pin Microphone Connector 2. Power On/Off, Volume 3. Squelch 4. Dynamike 5. Menu/Enter/Channel Selector 6. RF Gain 7. Dim/Escape Button 8. Channel 9/Channel 19 Button 9. Scan/Memory Scan 10. CB/PA Button 11. LCD Display13. 12. RX (Receive)/TX (Transmit), Indicators 13. Signal Strength Meter 14. NB Button 15. 1Microphone Back Side 16. Public Address Speaker Jack 17. External Speaker Jack 18. Antenna Connector 19.