Vauxhall Workshop Service and Repair Manuals

Abbreviations, Definitions

AA                                     =   Automatic Antenna

DID                                   =   Dual-Info-Display

MRQ                                 =   Master Request Line

SCL                                   =   Serial Clock Line

SDA                                   =   Serial Data Line

Bus driver                          =   Final stage of signal lines

Display bus                        =   Signal lines between radio and DID