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Page 94 8 — Customizing the 941X
8 — Customizing the 941X8 — Customizing the 941X
8 — Customizing the 941X Rev. D
Different regions of the world use various models for lat/lon coordinates
on their charts, called “datum.” You should always be sure that your
941X is using the same datum as your charts.
Press the
STAR
key until you display the
USER CUSTOMIZATION
screen, then press the
NAVIGATION OPTIONS
menu key. Move the
cursor down to
GEODETIC DATUM
and press
EDIT
. Use the up or
down cursor keys to scroll through the list of datums (organized alpha-
betically, as in the list below). When you come to the datum you desire,
press
ENTER
, or press
CLEAR
to leave the datum choice unchanged and
exit the edit function.
The following chart lists the datums available in your 941X:
ID DATUM NAME
ELLIPS.
delta
x
delta
y
delta z
ADI_MN ADINDAN Mean—Africa CL1880 -166 -15 204
ADI_E ADINDAN—Ethiopia CL1880 -165 -11 206
ADI_MA ADINDAN—Mali CL1880 -123 -20 220
ADI_SE ADINDAN—Senegal CL1880 -128 -18 224
ADI_SU ADINDAN—Sudan CL1880 -161 -14 205
AFG AFGOOYE—Somalia KRASS -43 -163 45
AIN AIN EL ABD 1970—Bahrain Island INTL -150 -251 -2
ANA ANNA 1 ASTRO 1965—Cocos Islands AUSTR -491 -22 435
ARC50_MN ARC 1950 mean value CL1880 -143 -90 -294
ARC50_B ARC 1950—Botswana CL1880 -138 -105 -289
ARC50_L ARC 1950—Lesotho CL1880 -125 -108 -295
ARC50_M ARC 1950—Malawi CL1880 -161 -73 -317
ARC50_S ARC 1950—Swaziland CL1880 -134 -105 -295
ARC50_ZR ARC 1950—Zaire CL1880 -169 -19 -278
ARC50_ZM ARC 1950—Zambia CL1880 -147 -74 -283
ARC50_ZB ARC 1950—Zimbabwe CL1880 -142 -96 -293
ARC60_MN ARC-1960 mean value CL1880 -160 -8 -300
ARC60_K ARC 1960—Kenya CL1880 -161 -7 -300
ARC60_T ARC 1960—Tanzania CL1880 -158 -12 -299
ASC Ascension Island 1958 INTL -207 107 52
ABE Astro Beacon "E" (Pacific Isl.) INTL 145 75 -272
Geodetic
Datum
"