19DXIVEU - Radio COBRA - Free user manual and instructions
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| Product Type | CB Radio |
| Brand | Cobra |
| Model | 19DXIVEU |
| Number of Channels | 40 |
| Frequency Range | 26.965 – 27.405 MHz (AM) |
| Modulation | AM |
| RF Power Output | 4 W |
| Power Supply | 13.8 V DC, negative ground |
| Current Draw | 1.5 A (max) |
| Dimensions (W x H x D) | 200 x 170 x 50 mm |
| Weight | 1.2 kg |
| Antenna Connector | SO-239 (UHF female) |
| Microphone | Dynamic, plug-in |
| Squelch Control | Yes, adjustable |
| RF Gain Control | Yes, adjustable |
| Automatic Noise Limiter | Yes |
| Channel 9 Monitoring | Yes, with switch |
| Public Address (PA) Function | Yes, requires external speaker |
| External Speaker Jack | Yes, 3.5 mm |
| SWR Calibration | Yes, built-in meter |
| Display | Illuminated channel display |
| Maintenance | Clean with dry, soft cloth |
| Safety | Use only with 12 V negative ground systems |
| Spare Parts | Contact Cobra customer service |
Frequently Asked Questions - 19DXIVEU COBRA
What frequency range does the Cobra 19DXIVEU cover?
The Cobra 19DXIVEU covers 40 CB channels from 26.965 to 27.405 MHz in AM mode.
How do I install the radio in my vehicle?
Connect the red wire to a 12V positive terminal (ignition or battery) and black wire to chassis ground. Use an inline fuse (2A recommended). Mount the bracket securely.
How do I use the squelch control?
Turn the Squelch knob clockwise until background noise stops. Adjust as needed to hear faint signals. Over-adjustment may block weak stations.
Which channel is used for emergencies?
Channel 9 (27.065 MHz) is the official emergency channel. The radio has a Channel 9 switch for quick access.
How do I connect the antenna?
Use a 50-ohm coaxial cable with a PL-259 connector to the SO-239 antenna jack. Ensure the antenna is properly tuned for minimum SWR.
What is the maximum RF power output?
The maximum RF power output is 4 Watts as per FCC regulations for CB radios.
Can I use the Cobra 19DXIVEU on a 24V system?
No, the radio is designed for 13.8V DC negative ground systems only. Using 24V may damage the unit. Use a voltage converter if needed.
How do I adjust the RF Gain?
The RF Gain knob controls receiver sensitivity. Turn clockwise for maximum range, counterclockwise to reduce noise. Adjust in conjunction with squelch.
Why is my reception weak or noisy?
Check antenna connection and SWR. Ensure the Automatic Noise Limiter is enabled. Reduce RF Gain or adjust Squelch. Poor grounding can also cause noise.
How do I maintain the Cobra 19DXIVEU?
Keep the radio clean and dry. Wipe with a soft, dry cloth. Avoid solvents. Periodically check connections and antenna system. Store in a cool, dry place.
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USER MANUAL 19DXIVEU COBRA
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Product information
Brand : COBRA
Model : 19DXIVEU
Category : Radio