This manual introduces the basic operations of using CARBT_1234 Bluetooth car hands-free system, including volume control, dialing, answering and rejecting calls, etc.
This manual provides step-by-step instructions for using the Rostra Precision Controls CARBT_1234 Bluetooth car hands-free system. It covers pairing your phone, making and receiving calls, adjusting volume, and using audio streaming. The system supports Bluetooth v1.1, v2.0, and v2.1 + EDR, with features like echo cancellation and noise reduction. It also includes troubleshooting tips for common pairing issues and technical specifications such as voltage, temperature, and microphone sensitivity.
| Power Supply Voltage | DC 9 ~ 25 volts |
|---|---|
| Working Temperature | -35°C ~ 85°C |
| Storage Temperature | -45°C ~ 105°C |
| Microphone Sensitivity | 50dB ± 4dB tolerance |
| Microphone SN Ratio | >55dB (Min) |
| Microphone Frequency Response | 100 ~ 16 KHz |
| Microphone Output Power | 2 x 6W RMS |
| Bluetooth Version | v1.1, v2.0, v2.1 + EDR |
For Nokia users, go to Paired Devices, select CARBT, and change default to Device Authorised Yes or Conn Auth Yes to enable automatic connection.
Short press the volume up or down key to increase or decrease the volume. A beep will signal you’ve reached the maximum or minimum level.