CRT One V CB Radio User Manual

Introduction

Thank you for choosing the CRT One V CB Radio. This compact and powerful CB radio is designed for reliable communication on the Citizen Band. Featuring VOX, S-Meter, ASQ, and RF Gain, it offers a comprehensive set of functions for an enhanced user experience. Please read this manual carefully before operating the device to ensure proper use and to maximize its performance and longevity.

Figure 1: The CRT One V CB Radio with its connected microphone.

Safety Information

Always observe the following safety precautions to prevent damage to the radio or injury to yourself:

• Do not expose the radio to rain, moisture, or extreme temperatures.
• Ensure the power supply voltage (13.2 V DC) matches the radio's requirements. Incorrect voltage can cause damage.
• Do not attempt to open or modify the radio. Repairs should only be performed by qualified technicians.
• Use only the original or approved accessories.
• Avoid placing the radio near heat sources or in direct sunlight for prolonged periods.
• Always ensure proper antenna connection before transmitting to prevent damage to the radio's final stage.

Package Contents

Verify that all items listed below are included in your package:

• CRT One V CB Radio Unit
• Microphone
• CB Radio Mounting Bracket and Screws
• Microphone Holder and Screws
• Power Cord
• Lighter Plug
• User Manual (this document)

Figure 2: Contents of the CRT One V CB Radio package, including the radio unit, microphone, mounting hardware, power cord, and lighter plug.

Figure 3: The retail packaging for the CRT One V CB Radio.

Product Overview

The CRT One V is a compact CB radio designed for ease of use and reliable performance. Below are the main components and controls:

Front Panel Controls and Display

Figure 4: Detailed view of the CRT One V front panel, highlighting the LCD display, channel selector, and function buttons.

• LCD Display: Shows current channel, band, and function indicators.
• SQ/ASQ Knob: Adjusts squelch level (manual) or activates Automatic Squelch (ASQ).
• A/F Button: Toggles between AM and FM modulation modes.
• Channel Up/Down Buttons: Located on the microphone, used to change channels.
• RFG (RF Gain) Button: Adjusts receiver sensitivity.
• EMG (Emergency) Button: Quickly switches to emergency channels (CH9/CH19).
• Volume Knob: Controls the audio output level.

Rear Panel Connections

Figure 5: Rear panel of the CRT One V, showing the antenna connector and power input.

• Antenna Connector: Standard SO-239 connector for external CB antenna.
• Power Input: For connecting the 13.2V DC power cord.
• External Speaker Jack: For connecting an optional external speaker.

Setup

Follow these steps for initial setup of your CRT One V CB Radio:

1. Mounting: Use the provided mounting bracket and screws to secure the radio in a suitable location within your vehicle or operating area. Ensure it is stable and does not obstruct driving or other controls.
2. Antenna Connection: Connect a properly tuned CB antenna to the antenna connector on the rear of the radio. Ensure the connection is secure. Never transmit without an antenna connected.
3. Power Connection:
   • For vehicle use, connect the lighter plug to your vehicle's 12V accessory socket.
   • For base station use, connect the power cord to a regulated 13.2V DC power supply capable of providing at least 2 Amps. Observe correct polarity (red to positive, black to negative).
4. Microphone Connection: Plug the microphone cable into the dedicated microphone jack on the front panel of the radio.

Operating Instructions

Basic Operation

1. Power On/Off and Volume: Turn the Volume knob clockwise to power on the radio. Continue turning to adjust the listening volume. Turn counter-clockwise until it clicks to power off.
2. Channel Selection: Use the UP/DOWN buttons on the microphone to select your desired operating channel (1-40).
3. Squelch (SQ) / Automatic Squelch (ASQ):
   • Manual Squelch (SQ): Rotate the SQ/ASQ knob clockwise until the background noise disappears. This sets the threshold for receiving signals.
   • Automatic Squelch (ASQ): Press the SQ/ASQ knob (or a dedicated ASQ button if present) to activate ASQ. This automatically adjusts the squelch level for optimal reception.
4. AM/FM Modulation: Press the A/F button to switch between Amplitude Modulation (AM) and Frequency Modulation (FM) modes. The selected mode will be indicated on the display.
5. Transmitting: To transmit, press and hold the PTT (Push-To-Talk) button on the microphone. Speak clearly into the microphone. Release the PTT button to listen.

Advanced Features

• RF Gain (RFG): Press the RFG button to adjust the receiver's sensitivity. This can be useful in areas with strong local signals to prevent overload or in weak signal areas to boost reception.
• VOX (Voice Operated Transmit): The VOX function allows you to transmit by speaking into the microphone without pressing the PTT button. Refer to the radio's specific menu or button combination for activating and adjusting VOX sensitivity.
• Emergency Channel (EMG): Press the EMG button to quickly switch to pre-programmed emergency channels (typically Channel 9 for emergency calls and Channel 19 for highway information). Press again to return to the previous channel.
• Channel Scan: Activate the scan function (refer to specific button/menu if not dedicated) to automatically scan through active channels. The radio will stop on an active channel and resume scanning after a few seconds of inactivity.
• Keypad Lock: This feature prevents accidental changes to settings or channels. Refer to the manual for the specific button combination to activate/deactivate the keypad lock.

Maintenance

Proper maintenance ensures the longevity and optimal performance of your CRT One V CB Radio:

• Cleaning: Use a soft, dry cloth to clean the radio's exterior. Do not use abrasive cleaners or solvents.
• Connections: Periodically check all cable connections (antenna, power, microphone) for tightness and corrosion.
• Storage: When not in use for extended periods, store the radio in a cool, dry place, away from direct sunlight and extreme temperatures.
• Antenna SWR: Regularly check your antenna's Standing Wave Ratio (SWR) to ensure it is properly tuned. High SWR can damage the radio's output stage.

Troubleshooting

If you encounter issues with your CRT One V CB Radio, refer to the table below for common problems and solutions:

If the problem persists after trying these solutions, please contact customer support.

Specifications

Figure 6: Rear of the product box, displaying regulatory marks and product identification numbers such as Serial Number ONE21121833 and Barcode 3140650006520.

Warranty and Support

The CRT One V CB Radio comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions.

For technical support, service, or warranty claims, please contact your authorized CRT dealer or visit the official CRT website for contact information.

Manufacturer: CRT