Casio G-Shock GSW-H1000 User Manual page 89

Background Information
After you specify your Home Time Zone and "Daily Activity Range*", the
screen's background information automatically switches in accordance with
your current location and activity.
* The "Daily Activity Range" is the area where you conduct your daily life. You
specify a range by setting a center point, like your home, and the radius of
a circle on a map displayed by the watch.
When you are within your
daily activity range
(A)
Not exercising
(B)
Exercising
When you are outside your
daily activity range
(C)
(D)
EN-88
Not exercising
Exercising