Functional description of the digital tuner US

Customer benefit of the IBOC tuner

IBOC is a digital AM/FM radio in the USA. It used additional digital signals to enhance FM/AM.

Enhancement of FM by means of additional digital signals

• Sound quality close to CD/MD
  
• Additional data services (singer, song title, album name)
  
• Reduction in multiple reception
  

Enhancement of AM by means of additional digital signals

• Sound quality close to FM
  
• Minimization of disturbances
  
• Additional data services (singer, song title, album name)
  
• Reduction in multiple reception
  

Functions of the IBOC tuner

• Analog AM/FM reception
  
• Digital reception of additional signals within the AM/FM frequency range
  
• AUTOSTORE function
  
• Automatic radio tuning, upwards and downwards
  
• Search for special stations
  
• Personalizing the IBOC
  

Personalizing the IBOC tuner

The settings of the tuner can be personalized via the vehicle key. The following settings can be stored as personalized:

• 12 FM stations
  
• 12 AM stations
  
• The last AM & FM stations listened to
  
• IBOC text On/Off
  
• RBDS text On/Off
  

Technical information on the IBOC tuner

The most important information on the IBOC tuner:

• Frequency FM: 87.7 MHz - 107.9 MHz (0.2 MHz increment)
  
• Frequency AM: 530 KHz - 1710 KHz (10 KHz increment)
  
• Permitted voltage range (9 - 16 V)
  
• Uses the 4 FM antennas of the analog tuner
  
• The best antenna is selected by the antenna diversity and made available to the IBOC tuner
  

IBOC composite system

The graphic shows the receive system with the digital tuner for US.

1. AM/FM antennas
   
2. Antenna amplifiers
   
3. Digital tuner for US (IBOC)
   
4. Head unit