Page 2 - Mounting and Connection; Hold the radio with the mounting bracket in; Location; continued
Installation Installation Location 3 2 Mounting and Connection Mounting and Connection Hold the radio with the mounting bracket in the exact desired location. If there is no inter-ference, remove the bracket and use it as a template to mark the location for the mount-ing screws. Location Plan locati...
Page 3 - Installation
Installation 5 4 NoteBefore 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 grounded to...
Page 4 - CB Antenna
Ignition Noise Interference Antennas Use of a mobile receiver at low signal levels is normally limited by the presence of electrical noise. The primary source of noise in automo-biles is from the alternator and ignition system. Typically, when signal level is adequate, the back-ground noise does not...
Page 5 - Press the CB/PA button to change modes.; Operation; Turning On
Press the CB/PA button to change modes. Operation 9 Operation Turning On Setting Channel Selector 8 Turning On Make sure the power cord, antenna and micro-phone are connected to their proper connectors before starting. Setting Channel Selector 1 SIG +30dB 1 1 2 3 4 TX PWR 3 5 7 9 MEM NB TX RX VOL SQ...
Page 6 - Unit should be in CB mode. Rotate channel; Selecting A; Selecting A Channel; To Receive
Rotate the On/Off Volume knob clockwise. The RX icon will be displayed. Operation 11 Operation 10 S-Meter S-Meter Swings proportionately to strength of incoming signal when receiving. Unit should be in CB mode. Rotate channel selector clockwide or counter-clockwise to select desired channel. 1 Selec...
Page 7 - HOLD; Setting Dynamike®; To Transmit; Select desired channel.; Transmit
PUSH & HOLD Setting Dynamike® This controls the microphone sensitivity (outgoing audio level). To Transmit 13 To Transmit 12 Setting Dynamike ® Caution!Be sure the antenna is properly connected to the radio before transmitting. Prolonged trans-mitting without an antenna, or a poorly matched ante...
Page 8 - Menu Mode; Setting the; Setting the Clock; Setting the Alarm; Rotate Menu/Enter knob clockwise to select Set
Operation Operation 15 14 Menu Mode Menu Mode Used to program special features. Menu/Enter knob is used to move cursor to desired feature to program. Rotate Menu/Enter knob clockwise to navigate menu levels. Press Menu/Enter knob to select feature to be programmed. SIG +30dB 1 1 2 3 4 TX PWR 3 5 7 9...
Page 9 - Setting the Count Down Timer; Setting Display Color Mode; Press Menu/Enter knob and scroll down to select; DISPLAY COLOR; SET COLOR
Setting the Count Down Timer To set the count down timer, press Menu/Enter knob and select Set Count Down. Follow instructions in Setting the Clock section (page 17) to set count down hour and minutes. Once desired count down time is selected, press Menu/Enter knob again to set and return to the sta...
Page 10 - Setting Brightness Mode; Press Menu/Enter knob to select Set Brightness; Rotate Menu/Enter knob clockwise to Select; Brightness. Press Menu/Enter knob to select; Setting Contrast Mode; Press Menu/Enter knob again to exit routine.; Key Tones Mode On and Off; POWER OUTPUT
Operation Operation 19 18 Setting Brightness Mode Setting Brightness Mode Press Menu/Enter knob to select Set Brightness Rotate Menu/Enter knob clockwise to Select Brightness. Press Menu/Enter knob to select Day-Bright. Turn Menu/Enter clockwise to increase brightness and turn counter-clockwise to d...
Page 11 - Software; Software Version/Factory Settings; NB OFF Button; RF Gain Control; Rotate the RF Gain knob counterclockwise to
Operation Operation 21 20 Software Version/Factory Settings Software Version/Factory Settings 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. To restore default settin...
Page 12 - Pressing the Scan/Memory Scan button; Program Memory Channels; Dimmer Control; See setting instructions on page 20.; Scan CB Channels; CB SCAN; Scan Memory Channels; To scan memory channels, press and release; CB MEM SCAN
23 22 Operation Operation Pressing the Scan/Memory Scan button toggles from Off to Scan All Channels to Memory Channel Only Scan and back to Off. Press Dim/Escape button to end Scan and return to CB mode. 1 NoteIf more than 10 channels are attempted to be programmed, 3 error beeps will be heard and ...
Page 13 - Full clockwise rotation closes the gate; Squelch is the “control gate” for incoming signals.; GA; Setting Squelch; Setting Squelch
Operation Operation 25 24 Full clockwise rotation closes the gate allowing only very strong signals to enter. Full counterclockwise rotation opens the “gate” allowing all signals in. Setting Squelch Squelch is the “control gate” for incoming signals. 2 1 NOISE WEAK SIGNALS MEDIUM SIGNALS STRONG SIGN...
Page 14 - External Speaker; Connect an external speaker to the external
Operation Operation 27 S/RF Meter External Speaker S/RF Meter This meter swings proportionately to the RF output (outgoing signal) and incoming receive signal. External Speaker The external speaker jack is used for remote receiver monitoring. NoteThe external speaker should have 8-ohm impedance and ...
Page 15 - Connect an external PA speaker to the PA jack
Operation Operation 29 28 PA (Public Address) PA (Public Address) Connect an external PA speaker to the PA jack on the rear panel. Press CB/PA button to select PA. Push and hold microphone button and speak in a normal voice. Your voice will now transmit on the PA speaker. Adjust PA speaker volume wi...
Page 16 - Base Station; Temporary Mobile Operation; Connect properly installed and matched base
Temporary Mobile Set-Up Home And Office Set-Up 31 30 Base Station Operation (From 120V AC House Current) 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 magneti...
Page 17 - Permitted Example Message; CLIP; A Few Rules You Should Know
How Your CB Can Serve You 33 32 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 Example Message Yes “Tornado sighted six miles north of town.” No “Post number 10. No tornado sighted....
Page 18 - How Your CB Can Serve You
How Your CB Can Serve You 35 34 Code Meaning 10-25 Time is up for contact10-30 Does not conform to FCC rules10-33 Emergency traffic 10-34 Trouble at this station10-35 Confidential information10-36 Correct time is10-37 Wrecker needed at10-38 Ambulance needed 10-39 Message delivered10-41 Turn to chann...
Page 19 - Channel
25 LX Specifications 37 36 Frequency Ranges 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 dynamic INPUT VOLTAGE 13.2VDC nom. (posit...
Page 20 - Optional Accessories; Limited Two Year Warranty
39 38 Optional Accessories COBRA ELECTRONICS CORPORATION warrants that its Cobra CB Radios, and the com po nent 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 war ran ty may be enforced by the first consu...
Page 21 - FCC Regulations; Nothing Comes Close to a Cobra®; Operating Instructions for your; The CB Story; Trademark Info
SIG +30dB 1 1 2 3 4 TX PWR 3 5 7 9 MEM NB TXRX VOL SQ OFF DYNAMIKE MIN RF GAIN MIN MAX M EN U PU SH ENT ER SCAN / M SCAN DIM / ESC CB / PA NB CH 9 / 19 The Citizens Band lies between the shortwave broadcast and 10-meter Amateur radio bands, and was established by law in 1949. The Class D two-way com...
Page 22 - Customer Support; Controls and Indicators
Thank you for purchasing the Cobra 25 LX 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...