Craig CBT3348A Bluetooth Car FM Radio Transmitter User Manual

1. Introduction

This manual provides comprehensive instructions for the safe and efficient operation of your Craig CBT3348A Bluetooth Car FM Radio Transmitter. Please read this manual thoroughly before using the device and retain it for future reference. This device allows you to stream audio from your Bluetooth-enabled device to your car's FM radio, make hands-free calls, and charge other devices via USB.

2. Safety Information

WARNING:

• Do not use this device while driving if it distracts you from operating your vehicle safely.
• This device operates on vehicle power and may interfere with other wireless devices.
• Follow all local regulations regarding the use of electronic devices in vehicles.
• Ensure proper ventilation around the device to prevent overheating.
• Do not expose the device to extreme temperatures, direct sunlight, or moisture.
• Keep out of reach of children.

3. Product Overview

The Craig CBT3348A is designed for convenience and functionality in your vehicle. Familiarize yourself with its components:

Figure 1: Angled view of the Craig CBT3348A, highlighting the LED display, dual USB ports, and control buttons.

• A. FM Transmitter Body: Houses the main electronics, display, and controls.
• B. Car Charger Plug: Connects to your vehicle's 12V/24V cigarette lighter socket.
• C. LED Display: Shows the current FM frequency.
• D. USB Charging Port (2.1A): For charging mobile devices.
• E. USB Audio Playback Port (1A): For charging and playing audio from a USB drive.
• F. Previous Track / Frequency Down Button: Navigates tracks or adjusts FM frequency.
• G. Multi-function Button: Play/Pause, Answer/End/Reject calls, Redial.
• H. Next Track / Frequency Up Button: Navigates tracks or adjusts FM frequency.

Figure 2: Top view illustrating the LED display, button controls, and the two USB ports, one for charging and one for audio playback.

4. Setup Instructions

1. Insert into Car Socket: Plug the Craig CBT3348A into your vehicle's 12V/24V cigarette lighter socket. The LED display will light up, showing the current FM frequency.
2. Tune FM Radio: Tune your car's FM radio to an unused frequency (one with no strong broadcast signal).
3. Set Transmitter Frequency:
   • Press and hold the Multi-function button (G) until the FM frequency on the LED display (C) starts flashing.
   • Use the Previous Track (F) or Next Track (H) buttons to adjust the transmitter's frequency to match your car's FM radio frequency. The supported frequency range is 88.0 - 108.0 MHz.
   • Once matched, press the Multi-function button (G) again to confirm the frequency.
4. Pair Bluetooth Device:
   • On your mobile device, enable Bluetooth and search for available devices.
   • Select "CBT3348A" from the list of devices.
   • Once paired, you will hear a confirmation tone, and the device is ready for audio streaming and hands-free calls.

5. Operating Instructions

5.1 Audio Playback

• Bluetooth Streaming: After successful Bluetooth pairing, play audio on your mobile device. The sound will be transmitted to your car's FM radio.
• USB Drive Playback: Insert a USB flash drive containing MP3/WMA audio files into the USB Audio Playback Port (E). The device will automatically detect and play the audio.
• Controls:
  • Press the Multi-function button (G) to Play/Pause audio.
  • Press the Previous Track (F) button to go to the previous track.
  • Press the Next Track (H) button to go to the next track.

5.2 Hands-Free Calling

The built-in microphone allows for hands-free communication.

• Answer Call: When an incoming call rings, press the Multi-function button (G) once to answer.
• End Call: During a call, press the Multi-function button (G) once to end the call.
• Reject Call: When an incoming call rings, press and hold the Multi-function button (G) for 2 seconds to reject the call.
• Redial Last Number: In standby mode, double-press the Multi-function button (G) to redial the last dialed number.

5.3 USB Charging

The device features two USB ports for charging your mobile devices.

• USB Charging Port (2.1A): Provides faster charging for compatible devices.
• USB Audio Playback Port (1A): Can also charge devices, but at a slower rate, while simultaneously supporting USB audio playback.
• Connect your device's USB charging cable to the appropriate port on the transmitter.

Figure 3: Side view of the device, illustrating the car charger plug and its role in enabling the hands-free phone answering function.

6. Maintenance

• Keep the device clean by wiping it with a soft, dry cloth.
• Do not use liquid cleaners or aerosol sprays.
• Ensure the car cigarette lighter socket is clean and free of debris for optimal connection.
• Store the device in a cool, dry place when not in use for extended periods.

7. Troubleshooting

8. Specifications

• Model: CBT3348A
• FM Frequency Range: 88.0 - 108.0 MHz
• Bluetooth Version: 5.0
• USB Charging Output: Total 2.1A (1A / 2.1A - depends on No. of loading ports)
• USB Audio Playback: Yes (MP3/WMA format)
• Hands-Free Calling: Yes, with built-in microphone
• Display: LED
• Power Source: Vehicle 12V/24V DC
• Dimensions: 1.81 x 2.75 x 5.8 inches
• Weight: 1.76 ounces
• Material: Plastic

9. Warranty and Support

For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Craig website. Keep your proof of purchase for warranty claims.

For further assistance, you may contact Craig customer service through their official channels. Please have your model number (CBT3348A) and purchase details ready.