Humminbird AS GPS HS Precision GPS Receiver with Heading Sensor,

your hummingbird fishfinder is equipped with a high-precision internal GPS receiver but there is a way to enhance your GPS and chart plotting experience using an external receiver one that also provides heading information we rigged all of our boats with hummingbirds GPS receiver with an integrated heading sensor which is quite simply a compass the GPS receiver with heading sensor provides us with several important advantages perhaps the most significant is that we can mount the GPS receiver virtually anywhere in the boat to ensure an unobstructed view of the sky once the GPS receiver with heading sensor is installed you'll want to select it as your GPS source mine is connected to a helix so I'll make my GPS source selection under the network menu tab your GPS receiver with heading sensor will provide you with enhanced GPS reception especially if your fish finder is tucked behind a wind