Patent ID: 7493215

Claim:
A navigation system, connected to a combination of a first output device and a first input device and to a combination of a second output device and a second input device, for performing processing indicated by operation information from said input devices and for outputting information, generated by the processing, onto said output devices, said navigation system comprising: first setting information storage means that stores setting information indicating whether or not the information generated by the processing is to be output to said first output device; second setting information storage means that stores setting information indicating whether or not the information generated by the processing is to be output to said second output device; first output processing means that outputs the information, generated by the processing, to said first output device according to the setting information read from said first setting information storage means; second output processing means that outputs the information, generated by the processing, to said second output device according to the setting information read from said second setting information storage means, and setting means, wherein, when the operation information is entered from said second input device, said setting means changes the setting information, stored in said first setting information storage means, to a setting that does not output the information generated by the processing indicated by the entered operation information.