Yes you can. To change/update firmware, please follow the instructions detailed on Pages 8 and 9 of the NGW-1 User Manual.
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The NGW-1 Conversion Lists are available on the download page – there is one list for the standard firmware variants (NGW-1-ISO, NGW-1-USB and NGW-1-STNG) and one list for the AIS firmware variants (NGW-1-ISO-AIS and NGW-1-USB-AIS)...
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All ISO-Drive variants (NGW-1-ISO, NGW-1-ISO-AIS and NGW-1-STNG) are completely powered from the NMEA 2000 network and have an NMEA 2000 LEN of 1 (50 mA or less). Once connected to a powered and terminated NMEA 2000 network, the NGW-1-ISO LEDs will flash...
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All NGW-1 variants have a standard NMEA 2000 drop cable and connector (DeviceNet M12, A polarised, male Micro C) for direct connection to an NMEA 2000 backbone T-piece or adapter cable for manufacturer proprietary networks...
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If you want to use the NGW-1 with NMEA 0183 waypoint names, they have to be purely numeric – e.g. a valid waypoint name is “73”, an invalid name is “waypoint 73” in order for the NGW-1 to correctly convert it to NMEA 2000. This is because NMEA 2000 waypoint names can only be numeric (at their lowest level). Converting NMEA 2000 waypoint names to NMEA 0183...
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This is unfortunately not possible. Doing so would create a data loop which will quickly use up the narrow bandwidth available to NMEA 0183 devices and prevent vital data from being transmitted...
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Here is the difference between the NGT-1 and the NGW-1...
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"Why do I need an NGW-1?" Due to the incompatibilities between NMEA 0183 and NMEA 2000, an Actisense NGW-1 is needed to bi-directionally convert data between the two standards.
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Unfortunately it is not possible in any NMEA 0183 networking situation to connect the output of more than one Talker to the input of one or more Listener/s. To convert data from more than one NMEA 0183 Talker to NMEA 2000 you have two choices...
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The primary function of the NGW-1’s NMEA 0183 LED is to indicate reception of a valid NMEA 0183 sentence...
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