Page 68 February 2020 – TD 266 OPERATING MANUAL – ZPulse® DCS 4420/4830/4520/4930
3.13.7 Dependencies
Figure 3-41: Dependencies
Enable Magnetic Declination is normally used when sensor is used close to South Pole or North Pole. Declination
Angle (Deg.M) is a value to correct for the magnetic variation on the site where the sensor is used. This is the angle in
degrees between magnetic north and true north.
Magnetic declination (variation) is the angle between the magnetic
north and the true north. This angle varies depending on the position on the Earth’s surface and also varies over time.
Declination is positive when magnetic north is east of true north and negative when it is to the west (input angle value
±180°). Magnetic declination at the deployment location can be found for i.e. on NOAA website:
http://www.ngdc.noaa.gov/geomag-web/
3.13.8 SGII and SmG Features
Figure 3-42: SGII and SmG Features
Enable Sensor Parameter Input If enabled the sensor might use data from other sensors via SeaGuardII or
SmartGuard. E.g. if a Conductivity Sensor 4319 is connected to the same logger Salinity and Temperature from this
sensor can be used in calculations of e.g. depth and Sound of Speed. Only in AiCaP mode, and need to be disabled if
used with SeaGuard
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