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Adding Locations
■ Understanding GMT
Greenwich Mean Time (GMT) is the time at
Greenwich, England, the site of the prime
meridian (0
o
longitude).
By convention, the 24 world time zones are
calculated from Greenwich Mean Time. To find
how many hours a time zone is from GMT, see
an atlas, almanac, or encyclopedia.
■ Selecting U.S. Time Zones
At any Location entry screen, you can set a
location to a standard U.S. time zone. First,
press . Then, if needed, press to
highlight
Standard Time Zones .
Next, press . Then press and then
to select a time zone. NOTE: The Clock
must be set to the correct U.S. time zone for the
above steps to set an accurate time (see p. 17).
ENTER
SPEC
ENTER