Component Overview
The X5 Mark II Navigation System is similar to E38/E39 Mark II. All of the E38/E39 Mark II system components are carried over with the exception of the BMBT:
X5 Specific Board Monitor (BMBT):
- 5 inch display (320 X 234 pixel resolution)
- Uses on screen soft keys for telephone send/end functions. E38/E39 uses buttons. Control of auxiliary ventilation function
- Provides display and control functions for the Audio System (radio, cassette and CD).
- Provides display and control functions for systems in the menu display.
- RDS = Radio Broadcast Data System. In the future, this feature will provide a wide variety of commercial broadcast data as well as traffic and limited weather information as a text display in the radio or Board Monitor display.
- PTY = The RDS system also includes the PTY feature which stands for "Program Type". PTY indicates the type of music being broadcast. This is helpful for organizing favorite station programming. Complete RDS functionality requires a cooperative effort on the part of the radio stations to provide this service. There are approximately 700 FM Radio Stations in the United States currently transmitting messages via RDS.
The BMBT communicates with interfacing control modules via the I Bus. As with all previous Original Equipment Navigation Systems, the radio electronics are installed in the trunk. The BMBT sends and receives operation instructions to the radio via bus communication. The Mark II Nav computer continues to provide the RGB output signals to the BMBT for system function display.