Audiovox NVX225 User Manual - Page 23

• - Black with a red cross means there is no connection with the GPS device, • - Red means the GPS is connected but no GPS position is available, • - Yellow means 2D reception. A GPS position has been acquired, The NVX225 Navigator is ready for navigation, but the GPS is using enough satellites for calculating the horizontal position only. Elevation data is not provided, and the position error may be significant. • - Green means 3D reception. The GPS receiver has enough satellites to calculate altitude. Position is generally correct (yet it can still be inaccurate due to different environmental factors). The NVX225 Navigator is ready for navigation. 4.3.4 Time synchronization In the top right corner of the screen you have another button that leads to a new screen where you can synchronize the clock of your PND to the very accurate time provided by the connected GPS. Turn on the Auto Correction switch to let The NVX225 Navigator frequently check and correct the PND time with the GPS time. Below that button you will see the current values of the GPS and the PND clocks. You can check here whether any correction is needed. Tap the manually synchronize the time. button to Below the PND time you have and controls to manually correct the time with or without a valid GPS time. It also gives you the chance to correct the time after synchronization if your PND does not support time zones or daylight saving time. You can also use these buttons if you prefer to set the PND time from this screen instead of using the time setup features of the operating system. 23