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This is pretty normal behaviour for a modern GNSS receiver and is a result of position “jitter” caused by multi-path signals and scintillation. Traditionally, older GPS systems used to apply a low pass filter (damping) to the calculated positions and this reduced the SOG and COG fluctuations when stationary. With the GPS160 and its highly accurate Tri-Data technology, we decided to not apply any damping so that the readings were as accurate and with as little lag as possible. The only down side of this approach is this 0.1 Knot indication when stationary, but as soon as you start moving you get the most accurateRead More →

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The flashing Red Error LED indicates that your NAVLink2 has quite an early version of firmware. As you can imagine, there are loads of different NMEA 2000 devices installed on boats, of varying age and firmware versions and since we released NAVLink2, we have come across quite a few “odd situations” where unexpected combinations of data have caused our “software watchdog” to detect an issue and restart the NAVLink2. In each of these cases, we have had to release a firmware update for the NAVLink2, to fix the issue. We can update your unit to the very latest version (V2.70) for you free of charge,Read More →

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If you see the “Modem Not Responding” error on a CLA2000, then it indicates that the 120 Ohm resistors are not fitted to the six NMEA 0183 Inputs and electrical noise at power up, causes the main processor to think the modem has a problem. There are three inputs on the 18 Way Connector and if you have the 14 Way connector fitted, then there are additional three inputs on this cable as well – see the connection tables below, where the six NMEA 0183 Inputs are highlighted by red rectangles. Simply connect a 120 Ohm resistor between the RX A and RX B wiresRead More →

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You will basically be plugging the Star Link in to the WAN socket of the 4GXtream and then using the web interface to switch between the wired WAN interface (Star Link) and the 4G Mobile interface. There is a “Failover” mode in the 4GXtream where you can tell it to use the Wired WAN by default and then switch to mobile if there is no internet connection on the wired WAN interface (Star Link). This article online tells you how to bypass the Star Link router and will be applicable for our 4GXtream… https://www.starlinkhardware.com/how-to-bypass-the-starlink-router  Read More →

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Although the approach you are taking with DDNS and Port Forwarding would work well on a conventional land based network, that is connected to the internet via a Cable/ADSL router, there are several reasons why they may not work on a mobile network: NAT (Network Address Translation): Mobile networks, especially those using IPv4, typically employ NAT to conserve IP addresses. NAT allows multiple devices to share a single public IP address. When you connect a device to a mobile network, it is assigned a private IP address that is not directly accessible from the internet. This makes it challenging for DDNS and port forwarding toRead More →

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When we get reports like this, it invariably turns out to be Chart Plotter or Application that has a problem – usually software related. The reason for this, is that AIS units do not differentiate between different types of AIS messages; either the regular dynamic ones that include the MMSI number and the position/course/speed of the vessel or the more infrequently transmitted static ones that include the MMSI number, name, dimensions, boat type, etc. and in the case of Class A vessels the voyage data that includes navigation state, destination, ETA, etc. An AIS unit either receives all of the messages or none. In theory,Read More →

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The AIS SART should be tested annually to confirm correct operation. In order to maximise the available battery capacity it is not recommended to test the AIS SART more frequently. Carry out the following steps to test the AIS SART: Remove the AIS SART from the bracket or bag and move to an outdoor location with a clear view of the sky. Do not hold the AIS SART in the location marked over the internal GPS antenna. Press and hold the ‘Test’ button for three seconds until the indicator starts flashing. The test is now active and the AIS SART will attempt to obtain aRead More →

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If we’ve ascertained that your items needs to come back to us for factory service/inspection, please complete the following: Service Return Form Please note: Only return a product to us if it has been authorised by one of our advisors. Items that are returned without this completed service return form or authorisation will be delayed. It’s important we receive as much information as possible, so please attach with the item any email correspondence you may have had with your advisor and include a detailed description of the fault. All customers within the EU, should please return the unit to: Digital Yacht Service.  12 Boulevard desRead More →

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Since the end of 2022, we have started receiving support requests from new EE customers that cannot get their Digital Yacht 4G Products to work with their EE SIM. It would appear that recent EE SIMs have a Virgin Mobile profile included, which is seen as the default APN settings when our products are set to Auto APN mode (default). If your SIM is being correctly read, you are getting a good mobile signal strength, the STATE is shown as “Registered (home); EE; 4G (LTE)” but the DATA CONNECTION is shown as Disconnected, then please try the following settings. Open a browser, go to http://192.168.1.1Read More →