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NAVIGATION SYSTEM DESCRIPTION AND OPERATION 87-3 Navigation Computer The navigation computer contains all the hardware and software required for control of the navigation, radio and CD The controls for the navigation computer are all located on the front panel of the unit. The centre section of the front l On/Off (ON) button, for switching the unit on and off. l Tone button, for activating the tone menu to adjust bass, treble, balance, fade and loudness functions. l Traffic Programme (TP) button, for activating the traffic information programme menu (Europe only). l Compact Disc (CD) mode button, for selecting CD operation. l Radio (Rad) mode button, for selecting radio operation and tuning menus. l Navigation (Nav) mode button, for entry and exit of the navigation menu and service mode. l CD eject button, opens the removable panel and ejects the CD. l RH rotary control, scrolls through menus when turned and enters a selection when pressed. Also mutes audio l Multifunction buttons, for entering the security code and menu selections. l Liquid Crystal Display (LCD), green screen that displays navigation, radio and CD information. l LH rotary control, adjusts volume when turned. When pressed, restores, repeats or interrupts audio navigation 1 On/Off button 7 CD eject button 10 Multifunction buttons |