Reference Manual Owner manual
Survey Menu – GPS Module 
R-217 
• South/West Grid: is where you set the coordinates increasing 
positive in the south, west direction. 
Key In Zone - Mapping Plane Parameters 
The Key In Zone Mapping Plane Parameters screen is used to enter 
the values for the map projection zone. 
The parameters required depend on the zone type. They 
will include: 
•  Central Longitude / Latitude: is where you enter 
the geodetic origin of the map projection. 
•  False Northing / Easting: is where you enter the 
coordinate offsets at the origin of the map 
projection. 
• Scale factor: is where enter the scale factor of the 
map projection. 
•  N / S Parallel: is where you enter the north and 
south standard parallels of the map projection. 
• Azimuth: is where you enter azimuth of the 
central line of the map projection. 
Key In Zone – Oblique Mercator Settings 
The Key In Zone Oblique Mercator screen is sued to set extra 
parameters when the Zone Type is set to Oblique 
Mercator Angle. 
Azimuth At: is where you enter the convention for 
projection azimuth. Your choices are: 
• Equator 
•  Center of Projection 
Origin At: is where you enter the convention for 
projection azimuth. 
• Equator 
•  Center of Projection 
Rectify Coordinates: is where you set if the coordinates 
are rectified. Coordinates are ‘rectified’ if the local plane 










