However, this chart data is only cached temporarily into the iPad’s memory so it may not be available later when you are out on water without a WIFI connection. Whenever you are connected to WIFI, PRO CHARTS™ automatically displays both overlay and base map chart data even in areas you have not yet downloaded. This is because you have not downloaded the chart data for that area in advance. Why does my chart data not show up sometimes when I am on the water? This means that any chart data you are viewing while connected to WIFI is no more than seven days old. Our servers automatically receive and process these changes so that the latest charts are continuously available to the PRO CHARTS™ app whenever you are connected to WIFI. territorial water charts and they distribute the changes to developers every seven days. NOAA continuously updates the data displayed on their U.S. If you stop and the internal GPS cannot detect movement, the boat icon direction and compass heading indication will not be reliable.Ĭharts How often is the chart data updated? The downside of using GPS to determine heading is that movement is required. To make it more accurate, you can change the setting so that heading is determined by GPS movement instead of the internal compass in the General settings menu. For example, it can be off by as much as 30 degrees in a car. However, the internal compass is affected by metal objects and magnetic interference. When your heading setting in the General menu is set to “True North”, PRO CHARTS uses the internal magnetic compass to determine your heading. Heading and position are determined by your iOS device, not PRO CHARTS itself. Why is my boat icon not indicating the correct heading? Roll your device around as needed to recalibrate the compass. Exit PRO CHARTS™ and open the Compass app. Sometimes the internal compass needs to be recalibrated on an iOS device. Navigation and direction How do I correct the orientation if my boat icon is not pointed in the correct direction? You will then see a menu where you can select “Set waypoint.” You can also enter waypoints on the map by pressing down on the location you want to add your waypoint and holding. Verify the format of the waypoints you want to enter then set the Coordinate Format in the General Settings. PRO CHARTS™ can accept the following formats: Decimal (e.g. Why?īe sure you are entering the latitude and longitude in the correct coordinate format. I entered a waypoint, but it doesn’t show up in the correct location. How do I import waypoints from another source? This will add the downloaded waypoints to any that already exist on your device. Next, touch Sync Waypoints under the Account menu on another iOS device and then select Download Waypoints. Select Upload Waypoints to upload your waypoints to your account on the MiraTrex server. To do this, touch Sync Waypoints under the Account menu on the iOS device storing your waypoints. No, PRO CHARTS™ has a sync capability so you can easily synchronize your data between all devices. You will then see a menu where you can select “Set waypoint.” Do I have to enter all my waypoints on each of my iOS devices? On the map screen, press down on the location you want to add your waypoint and hold. Keep adding route points until you have completed your route. You will then see a menu where you can select “Create Route.” After creating the route and the first point point, press down and hold on the map screen for your next route point. Be sure to check with the manufacturer before purchasing. NOTE: iOS version 8.3 has compatibility issues with some Bluetooth external GPS devices. We recommend the Dual XGPS150, but there are also others on the market that will work. If your iPad is WIFI only, you will need an external GPS to navigate with PRO CHARTS™. Can I use PRO CHARTS™ if I have a WIFI-only iPad? Yes! Get PRO CHARTS™ on the Google Play Store. Do you have an Android version of the app? IPhone 3 or later, iPad 2 or later, iPad Mini. Get your questions answered about the MiraTrex PRO CHARTS™ app for iPhone, iPad and Android.Ĭompatible devices What iOS devices are supported by PRO CHARTS™?
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