Cobra 38 WX ST Operating Instructions

Pages 21

Year 2011

Language(s)

of 21

Cobra 38 WX ST Specification

The Cobra 38 WX ST is a compact, feature-rich CB radio, designed for reliable communication in various environments. It operates on the 40 CB radio channels authorized by the FCC, offering a channel scan function that allows users to quickly locate active channels. The unit incorporates Cobra's SoundTracker System, which significantly reduces static and interference, delivering clearer audio quality. The radio's design includes a full 4-watt AM RF power output, which is the maximum allowed by law, ensuring extended range and strong signal transmission.

This model is equipped with dual watch capabilities, enabling monitoring of two pre-selected channels simultaneously. The instant channel 9 and 19 functions provide immediate access to emergency and information channels, enhancing safety and convenience. The Cobra 38 WX ST features an illuminated LCD display, which ensures clear visibility of channel information and settings, even in low-light conditions. Its rugged construction is built to withstand harsh conditions, making it suitable for both mobile and stationary use.

Additional features include a noise-canceling microphone that reduces background noise for clearer communication, and an external speaker jack that allows connection to a larger speaker for improved sound output. The radio’s compact size makes it easy to install in vehicles with limited space, and its simple interface ensures user-friendly operation. Overall, the Cobra 38 WX ST is a robust and efficient CB radio, ideal for users seeking reliable performance and ease of use in a variety of settings.

Cobra 38 WX ST F.A.Q.

How do I properly install my Cobra 38 WX ST CB radio in my vehicle?

To install your Cobra 38 WX ST, mount the radio securely using the bracket provided. Connect the power cable to your vehicle's electrical system, ensuring the red wire is connected to a power source and the black wire to a ground. Attach the antenna cable to the back of the radio and ensure all connections are tight.

What is the best way to tune the antenna for optimal performance?

Use an SWR meter to adjust the antenna. Connect the meter between the radio and the antenna, set the radio to channel 20, and key the microphone. Adjust the antenna length until the SWR reading is as close to 1:1 as possible to ensure optimal performance.

How can I reduce static and noise interference on my Cobra 38 WX ST?

To minimize static, ensure all connections are secure and check for any loose wires. Use the ANL (Automatic Noise Limiter) feature by pressing the ANL button to reduce engine and other electrical interference.

What should I do if my Cobra 38 WX ST is not powering on?

Check the power cable connections and ensure the fuse in the power cable is not blown. Verify that the vehicle's battery is charged and providing power, and inspect for any visible damage to the power cable.

How do I set the squelch control to eliminate background noise?

Turn the squelch control knob fully counter-clockwise and then slowly turn it clockwise until the background noise stops. This setting will help eliminate unwanted noise while allowing incoming signals to be heard.

What maintenance should I perform on my Cobra 38 WX ST to ensure it operates smoothly?

Regularly check all connections for tightness, clean the exterior with a soft cloth, and ensure the antenna is free from corrosion. Periodically check the SWR to ensure the antenna is properly tuned.

How can I improve the range of my CB radio communication?

Ensure your antenna is properly tuned using an SWR meter, use a high-quality antenna with greater length, and place the antenna at the highest point on your vehicle for better range.

Why is my transmission signal weak even after proper installation?

Check the SWR levels to ensure the antenna is correctly tuned. Inspect the coaxial cable for damage or corrosion, and make sure the microphone is working properly.

What should I do if I cannot receive any signals on my Cobra 38 WX ST?

Ensure the squelch control is not set too high, check the volume, and confirm the antenna is connected securely. Make sure you are on the correct channel and that there is no local interference.

How do I use the weather channel feature on my Cobra 38 WX ST?

Press the WX button to switch to the weather channels. Use the channel selector to find a local weather broadcast. Adjust the volume and squelch as needed for clarity.