ARMY TM 9-6675-349-12&P
MARINE CORPS TM 11039A-12&P
3-11. Configuration Continued
(5) Select predefined ellipsoid and enter user-defined datum.
Use this procedure to select a predefined ellipsoid and enter user-defined datum parameters.
NOTE
If the selected ellipsoid is user defined, ellipsoid parameters and function key
legends F3-FLAT, F4-MINOR also will be displayed.
If the selected datum is user defined, datum shifts also will be displayed.
(a) Scroll to ELLIPSOID/DATUM on MENU and press ENTER. ELLIPSOID & DATUM page is
displayed, showing current ellipsoid and datum. Cursor box is on ELLIP field. Function key line
shows F9-EXIT.
(b) Press ENTER to initiate ellipsoid change. ELLIPSOID page is displayed with a partial list of
available ellipsoids. Function key line shows F9-CANCEL.
(c) If desired ellipsoid is not listed, press FNC Pg Dn to display next page or scroll to bottom of list
and continue scrolling.
(d) Scroll to desired ellipsoid and press ENTER. DATUM page is displayed with a list of datums
associated with selected ellipsoid. Function key line shows F9-CANCEL.
(e) If USER DEFINED 1 and USER DEFINED 2 are not listed, press FNC Pg Dn to display next
page, scroll to bottom of list and continue scrolling, or press FNC END to display last page.
Some ellipsoids have several pages of associated datums.
(f) Scroll to USER DEFINED 1 or USER DEFINED 2, as desired, and press ENTER. ELLIPSOID
& DATUM page is displayed with new selections. Cursor box is on X-SHIFT field. Function key
line shows F2-USE ALL, and F9-CANCEL.
(g) Enter x-axis datum shift value in meters.
(h) Scroll to Y-SHIFT field and enter y-axis datum shift value in meters.
(i) Scroll to Z-SHIFT field and enter z-axis datum shift value in meters.
(j) Verify entered parameters are correct. Scroll to an erroneous parameter and enter it or press F9 to
cancel and retain current settings.
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