Cobra 19 Ultra III Owner's Manual

Pages 11

Year 2010

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Cobra 19 Ultra III Specification

The Cobra 19 Ultra III is a compact and efficient CB radio designed for optimal communication in a variety of settings. This device operates on the standard 40 CB channels, providing comprehensive coverage for both professional and recreational users. The Cobra 19 Ultra III features a user-friendly interface with an illuminated LED display for clear visibility in low-light conditions, ensuring ease of operation at any time of day. Its RF gain control allows users to adjust the receiver sensitivity to improve signal reception, enhancing the clarity of communication. The radio is equipped with a dynamic microphone with an easy-to-use push-to-talk button, ensuring clear voice transmission. It includes a switchable noise blanker to reduce unwanted static and interference, which is particularly useful in high-noise environments. The compact design makes it easy to install in vehicles with limited space, while the rugged construction ensures durability in various conditions. Additionally, the Cobra 19 Ultra III includes a 4-watt power output, the maximum allowed by law, ensuring robust signal strength. This radio also features an external speaker jack for users who require enhanced audio output. Its PA capability allows it to be used as a public address system with the addition of an external PA speaker. With its combination of essential features and reliable performance, the Cobra 19 Ultra III is a versatile choice for those seeking dependable CB communication in a compact form factor.

Cobra 19 Ultra III F.A.Q.

How do I install the Cobra 19 Ultra III in my vehicle?

To install the Cobra 19 Ultra III, mount the radio using the supplied bracket and hardware. Connect the power cable to a 12V DC source, ensuring red goes to positive and black to negative. Attach the antenna cable to the radio and adjust the antenna for optimal performance.

What is the best way to adjust the squelch control on the Cobra 19 Ultra III?

Turn the squelch knob fully counterclockwise until you hear noise. Slowly turn it clockwise until the noise just stops. This sets the squelch to mute weak signals and reduce background noise.

How can I improve the reception of my Cobra 19 Ultra III?

To improve reception, ensure your antenna is properly tuned and mounted away from obstructions. Use a high-quality, properly matched antenna, and check all connections for tightness and corrosion.

What should I do if my Cobra 19 Ultra III is not powering on?

Check the power connections to ensure they are secure and correctly attached. Verify the in-line fuse is not blown. If problems persist, test the power source with another device to ensure it is providing power.

How do I perform a reset on the Cobra 19 Ultra III?

To reset the Cobra 19 Ultra III, simply turn off the radio and then turn it back on. If the issue persists, disconnect the power for a few minutes before reconnecting it.

What type of antenna is recommended for the Cobra 19 Ultra III?

A 102-inch whip antenna is often recommended for the best performance, but shorter antennas like a 4-foot fiberglass antenna can also be used for a balance of performance and practicality.

How can I reduce interference and noise on my Cobra 19 Ultra III?

Ensure proper grounding of your antenna and radio. Use a noise filter on the power line if necessary. Avoid running the power cable near other electronic devices that may cause interference.

What maintenance is required for the Cobra 19 Ultra III?

Regularly inspect and clean all connections and the antenna. Check the SWR (Standing Wave Ratio) periodically to ensure it remains within an acceptable range. Replace the microphone if it becomes damaged.

How can I test the SWR (Standing Wave Ratio) on my Cobra 19 Ultra III?

Connect an SWR meter between the radio and the antenna. Set the radio to channel 20, key the microphone, and read the SWR value. Adjust the antenna length or position to achieve the lowest possible SWR reading.

Can I use an external speaker with the Cobra 19 Ultra III?

Yes, you can connect an external speaker to the external speaker jack on the back of the radio for improved audio quality and volume. Ensure the speaker impedance matches the radio’s requirements.