The NMEA 2000 supported PNGS offer a few more monitoring data points in addition to most of the NMEA 0183 monitored values.
Now that we know what we can display, let look at the app and see how we do it.
On the main Chart display you will see Instruments as one of the main soft keys at the bottom of the screen. Selecting this brings you to the instruments display.
If you have Locational Services turned on in your device some data will show up. Course information will include Heading(HDG), Rate of Turn(ROT) and Speed Over Ground(SOD). Position information will include Altitude(ALT), Connection Type(CON), Horizontal Position Error(HPE), Latitude(LAT), Longitude(LON), Universal Time(UTC) and Vertical Position(VPE) accuracy.
Tapping one of the instruments will bring up a pop up window to highlight the data. This pop up can be set to display either digital or analog instruments.
The main Instruments Display shows a list of active data being displayed from Locational Services or a TCP/IP connection. I will show how to set up a TCP/IP connection later.
The image to the right shows the Locational Services data from my iPad. Individual instruments can also be selected here to display either digital or analog displays.
Here you can see the Heading(HDG) pop up showing the analog compass in addition to the digital heading display. If an optional display is available a gray arrow will shown on the right of the digital display.
On the Instruments display, you will see a gear icon in the upper right corner of the display. Selecting this will bring up a pop up window showing you the instrument settings.
You will see the complete list of available data and the ability to enable or disable the display of the instrument. The data will only be displayed if the switch is toggled to "ON" and the device is receiving that type of data through Locational Services or a TCP/IP connection.
The pop up window only shows a few of the many available instrument types available for display. Page down to see the rest.
The instrument display can also be reached through the iNavX screen or viewed on the Chart display in the instruments banner.
The instruments banner is a convenient way to view the data along with your real time position on the Chart Display and the compass banner on the top of the display.
Tapping one of the instruments in the banner will bring up a pop up window showing the digital or analog display of the value. A setting in the instruments display will allow you to set either analog or digital instruments.
This feature is helpful to highlight the Depth instrument while you navigate a shallow area or bring up Speed Over Ground (SOG) while you are racing in a regatta to maximize your performance.
One of the most powerful features of the Instruments package is the TCP/IP capability. In the Instruments Settings pop up you will notice a gray TPC/IP button on the upper left side of the screen.
Select this for an additional TCP/IP settings window. The Host setting will be the IP address of the device broadcasting the NMEA data. The Port number must match the port of the host TCP/IP server. In this case I am using Franson GPS Gate software on my laptop with port number 20175. More on setting up GPS Gate later.
The Bookmarks icon in the upper left corner brings up a list of previously used Hosts and Ports. This is handy to save the most recent settings.
The Account button will allow you to log in to an Automatic Identification System (AIS) server if you have subscribed to one. SiiTech is one popular site providing ship positioning using the Automatic Identification System AIS data.
The Disconnect Alarm will warn you if the TCP/IP connection is lost. Enable Waypoints allows you to import and navigate to active waypoints or routes of your NMEA data server or software. This feature will not work with Locational Services. Turning the Locational Services selection ON will use the position, speed and course of the device. You will see this data highlighted in yellow on the bottom display. All other NMEA data coming from the TCP/IP connection will continue to be processed and shown in green.
iNavX can connect to a computer or a WiFi multiplexer with the TCP/IP settings to provide instrument data to your iPad or iPhone. One simple way to connect to your on board laptop is through an adhoc connection. Adhoc connections use the WiFi card in you laptop to connect the iNavX app.
- In Windows 7, open the Network and Sharing center by clicking the WiFi icon in your system tray.
- Select Open Network and Sharing Center on the bottom of the pop up.
- Select Setup a New Connection or Network
- Select a Set up a Wireless ad hoc (Computer to Computer) network and select Next
- You will be prompted to create a Network Name, Security Type and Security Key.
- Click the Save Network box if you want to use it again at a later date.
- Select Next and the network should show up in the list of available wireless connections.
- Open Network Connections. Use help to Help and Support to search for it if you can't find it.
- Select the active network connection you created earlier, double click to bring up the status of this connection.
- Click Details. Your computer's IP address appears in the Value column, next to IPv4 address.