Boat Accessories

Mark Fish

Boat Accessories

Mark Fish

MarkFish allows you to make waypoints on your GPS from your Fishfinder or from an external button.

When you press Mark button on your fish finder, the Markfish gives the waypoint a unique name, and it is then displayed on your GPS.
The waypoint location is indicated by the movable cross-hairs on your fishfinder.

Markfish also presents another feature, the waypoint trigger input which gives you the ability to place a waypoint button anywhere on your boat

If you have an auto-pilot, you can set it to steer to the waypoints saved on your GPS.

MarkFish is able to connect and translate signals from distinct brands of Chartplotter & fishfinder.


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The unit comes with wiring instructions, a set of 8 x Heatshrink glueline crimp connectors, and a 1 Amp standard blade fuse.


Markfish enclosure is fully sealed against liquid ingress and has integrated mounting holes

  • Marine-grade wiring
  • Operating Voltage: 9 to15Vdc
  • Power consumption: Approx 100mA
  • Serial Input: Connects to NMEA 0183 OUT from Fish Finder
  • Serial Output: Connects to NMEA 0183 IN of GPS
  • Serial Data: 4800 Bits per second, 8 Bit word, No parity, 1 Stop bit.
  • External waypoint trigger: Waypoint is sent to GPS when this wire is earthed using a suitable push button. (Button is not included)
  • Dimensions: (Approx ) W: 8cm x H: 4cm x D: 2.5cm
  • Weight: (Approx) 200 gram

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