| 摘要 |
A navigation device configured to connect to any type of communication device, such as a two-way radio or a cellular phone. The navigation device includes a LCD display and a user input device. The navigation device displays on the LCD the relative distance and direction of other navigation devices relative to the navigation device, as well as the speed, distance traveled, current location, altitude, temperature of the other navigation devices. Also, the user interface allows the user to scroll through different menu options and display options of the LCD. The navigation device is additionally configured to send text messages to other navigation devices. The navigation device transmits three NMEA sentences allowing text messages, waypoint names and locations, speed, course, direction and altitude to be sent between navigation devices.
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