Casio 5054 Manual page 75

• If you are in an area where proper time calibration signal reception is impossible, the
watch keeps the time with the precision noted in "Specifications".
• If you have problems with proper time calibration signal reception or if the time
setting is wrong after signal reception, check your current city code, DST (summer
time) (page E-58).
• The Home City setting reverts to the initial default of
battery power drops to Level 5 (CHG) or when you have the rechargeable battery
replaced. If this happens, change the Home City to the setting you want (page E-12).
Transmitters
The time calibration signal received by this watch depends on the currently
selected Home City code (page E-12).
• When a U.S. time zone is selected, the watch receives the time calibration signal
transmitted from the United States (Fort Collins).
• When a Japanese time zone is selected, the watch receives the time calibration
signals transmitted from Japan (Fukushima and Fukuoka/Saga).
• When a European time zone is selected, the watch receives the time calibration
signals transmitted from Germany (Mainflingen) and England (Anthorn).
E-74
TYO (Tokyo) whenever the