#Tracking point vs reference point hypack Patch#
Roll offset: Multibeam sensors (determined in Patch Test) and MRUs* not oriented directly below the vessel. Pitch offset: For multibeam sensors (determined in Patch Test.) and MRUs* not oriented directly below the vessel. GPS: Positive upward from the waterline in Hypack®Hardware, positive downward in Hysweep®Hardware. The reference roll angle (in decimal degrees) is 0 for vertical mounting positive to the port side. Roll offset (Determined in Patch Test.): Multibeam sensors and MRUs* not oriented directly below the vessel. Pitch offset (Determined in Patch Test.): Multibeam sensors not oriented directly below the vessel. MRU*: positive for clockwise rotation from alignment with the keel. Add the variation to the mounting offset using positive values for clockwise rotation from alignment with the keel. May add correction for variation between magnetic N and true N. Transducer (Determined in Patch Test.): positive for clockwise rotation from alignment with the keel. GPS: Positive upward from the waterline in Hypack®Hardware positive downward in Hysweep®Hardware. Transducer: 0-included in draft correction of device when calibrated. Horizontal offsets: positive forward and starboard of the origin. Latency is not an issue for MRUs and Gyros.
Sonar systems usually automatically compensate for latency.
#Tracking point vs reference point hypack manual#
You may enter a value initially from the GPS manual or start with it at zero, but you should run a Patch Test and adjust this setting accordingly. Note: In all setups, except for the GPS, latency is usually zero. The setup table tells you what to use for the origin, which Hardware program each device should be entered in, and the signs used for the offset measurements. Continue progressing down through the headings until a setup table follows your last choice. Now, under that heading, choose the second level heading that describes your setup. Here's how it works.Ĭhoose the first outline level that fits your setup. The key below is written to help guide you with these questions. We often get questions from users who are configuring their hardware and are getting lost in the maze of variables to consider in determining the origin, and changing offset signs.
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