Leica GPS900 Series, Technical Reference Manual

Page: 69 / 287

Managing, Creating, Editing Coord Systems GPS900 69
SHIFT SET-D (F4)
Available unless a default projection is high-
lighted. To turn the highlighted projection
into a user defined default projection stored
in the RX900.
SHIFT DEFLT (F5)
To recall the deleted default projections.
Column Option Description of Column
Type The projection type. Refer to standard surveying
literature for details on projections.
Customised Customised projection. Certain fixed projections
which cannot be defined by any of the following
options.
Trans Mercator Transverse Mercator. Conformal projection onto a
cylinder with its axis lying on the equatorial plane.
The cylinder is tangential to a meridian.
UTM Universal Transverse Mercator. Transverse Mercator
projection with fixed zone-defining constants. The
central meridian is selected automatically according
to the selected zone number.
Oblq Mercator Oblique Mercator. Oblique Mercator Conformal
projection onto a cylinder. The cylinder is tangent to
any circle other than the equator or a meridian.
Mercator Mercator. Conformal projection onto a cylinder with
its axis lying on a meridian plane. The cylinder is
tangent to the sphere along the equator.