Operation Manual
28
Summer Time indication (ON/OFF)
(Chronograph minute hand)
Auto/Manual indication
(Chronograph 1/20 second hand)
Description
EnableSummerTime(ON)
EnableStandardTime(OFF)
Automatic setting (12 o’clock
direction)
Automatically switch
between Summer Time
and Standard Time by
receiving the signal.
•Whenasummertime
check signal is received,
the summer time ON/
OFF setting is changed.
Manual setting (6 o’clock
direction)
Manually switch between
Summer Time and
Standard Time.
•Evenifasummertime
check signal is received,
the summer time ON/OFF
setting is not changed.
Setting Summer Time
S
OK
RX
NO
M
T
W
T
F
S
00
50
10
20
30
80
90
4060
70
S
OK
RX
NO
M
T
W
T
F
S
00
50
10
20
30
80
90
4060
70
60
30
1050
2040
ON
SMT
OFF
60
30
1050
2040
ON
SMT
OFF
• SwitchingON/OFFofSummerTime→(Seepage 30)
• Auto/manualswitchingofSummerTime→(Seepage 31)