G-Shock GW-1800DJ-1A9 - Manual (Page 19)

E-18
• The time calibration signal the watch will attempt to pick up depends on its current
Home City code setting as shown below.
Home City Code
SEL, TYO
YVR, LAX, YEA, DEN,
MEX, YWG, CHI, MIA,
YTO, NYC, YHZ, YYT
Frequency
40.0 kHz
60.0 kHz
60.0 kHz
Transmitter
Fukushima (Japan)
Fukuoka/Saga (Japan)
Fort Collins, Colorado
(the United States)
• Calibration signal reception is disabled while a countdown timer operation is in
progress.