There are a lot of applications in life, like our usual car navigation, traffic recorder...... Are built-in GPS module for positioning navigation. GPS is positioning and navigation, as long as you need to locate the device and navigation functions can be built or external GPS module. Shenzhen Tiangong GPS module
2 no map use. 1) the use of road point: commonly used to determine the coordinates, to determine the rock caves as starting point, line or other coordinates, the coordinates of the point of turning. Easy to use, MARK a coordinate on the line. Find a point: to find the location must have to sign (landmark/waypoint) exists in the form of GPS in the memory, you can MARK or from previously visited a friend to get data, manual / computer into sign data upload. Press the GOTO key to select your destination from the list, and then go to the "guide" page, which will show you away from the target distance, speed, direction of the target angle and other data, according to the direction angle can be. 2) use the route input route: if you can find the route information recorded by the previous friends, type them into the GPS to form a line, or (usually return to the original road) to edit the previously recorded road sign into a line. Route guidance: put a route according to the activation, and looking for "the same way," guidance "page will lead you to the first point, the route once arrived, the target will automatically replace the next road," guidance "page to lead you to the line of second points if you deviate from... The route over some intermediate point, once you go back to the line," targeting "you will skip around those points, for your current position corresponding to the next point on the line. 3) backtracking is actually a special method of input line (route), it is very easy to return to the original path.
