Checking and adjusting the leap second setting
• The leap second setting is adjusted automatically but it can be adjusted
manually.
You can find a list of leap seconds at the homepage of IERS (INTERNATIONAL
EARTH ROTATION & REFERENCE SYSTEMS SERVICE).
http://hpiers.obspm.fr/eop-pc/earthor/utc/TAI-UTC_tab.html
1.
Change the mode to [
SET
] and push the crown in to position
2
.
The second hand stops.
2.
Press and hold the upper right button
B
for 2 seconds or more.
Using the “0:00:00” position as the starting point, the minute and second
hands indicate the leap second setting.
When the leap second setting is
“-37 seconds”
When the leap second setting is
“-65 seconds”
RX
-TM
E
RX-G
PS
ON
ALM
OFF
NO
OK
ALM
UTC
LLI
TME
SET
CHR
24
12
02
14
04
16
06
18
08
20
10
22
ON
SM
T
OFF
SM
T
F
E
S
M
W F
T
T S
60
30
50
10
20
40
60
30
0
–1
–2
–3
–4
–5
–6
–7
+1
+2
+3
+4
+5
+5
.5
+6
+7
+8
+9
+9.
5
+10
+11
+12
+13
+14
–12
–11
–10
–9
–8
LON PAR
ATN
RUH
DXB
KH
I
DE
L
DA
C
BK
K
BJ
S
TY
O
AD
L
SYD
NOU
AKL
TBU
MDY
HN
L
AN
C
LA
X
PDL
FEN
RIO
MA
O
NY
C
CH
I
DE
N
7
RX
-TM
E
RX-G
PS
ON
ALM
OFF
NO
OK
ALM
UTC
LLI
TME
SET
CHR
24
12
02
14
04
16
06
18
08
20
10
22
ON
SM
T
OFF
SM
T
F
E
S
M
W F
T
T S
60
30
50
10
20
40
60
30
0
–1
–2
–3
–4
–5
–6
–7
+1
+2
+3
+4
+5
+5
.5
+6
+7
+8
+9
+9.
5
+10
+11
+12
+13
+14
–12
–11
–10
–9
–8
LON PAR
ATN
RUH
DXB
KH
I
DE
L
DA
C
BK
K
BJ
S
TY
O
AD
L
SYD
NOU
AKL
TBU
MDY
HN
L
AN
C
LA
X
PDL
FEN
RIO
MA
O
NY
C
CH
I
DE
N
7
The hands point to “0 minute 37
seconds”.
The hands point to “1 minute 5
seconds”.
3.
Turn the crown to adjust the setting if the leap second is not
correct.
• Adjustable range is from 0 to ‒90 seconds.
4.
Push the crown in to position
0
.
5.
Change the mode to [
TME
] to finish the procedure.
F990 Abbreviated instruction
Adjusting the time and calendar manually
You can set the time and calendar of the home time manually.
• Execute world time setting beforehand following “Setting the world time
manually”.
• The time of the local time is corrected automatically following its time zone
setting after setting the home time manually.
1.
Change the mode to [
SET
] and push the crown in to position
2
.
The second hand stops.
2.
Press and hold the lower right button
A
for 2 seconds or
more.
The minute hand slightly moves and time and calendar become adjustable.
3.
Press and release the lower right button
A
repeatedly to
change the hand/indication to be corrected.
• Each time you press button
A
, the target changes as follows:
Hour and minute
→
date
→
year/month
→
day of week
→ (back to the top)
• The hands and indications slightly move when selected to show they
become adjustable.
4.
Rotate the crown to adjust the hand/indication.
• Hour, minute and date move synchronously. Take care the time set is AM
or PM. Change of date indication shows it just became AM.
• Date indication changes to the next as the function indication rotates 5
times.
• When you rotate the crown quickly a few times, the hand/indication will
move continuously. To stop the rapid movement, rotate the crown in either
direction.
• Year and month are indicated with the second hand.
12
1
2
3
4
5
6
7
8
9
10
11
“Month” corresponds to one of
the 12 zones shown in the figure
below.
Each number means month.
The year corresponds to the
years since leap year and is
indicated with the position of the
second hand.
Years since leap year:
0
(Leap
year)
0
Years since leap year:
1
1
Years since leap year
2
2
3
Years since leap year:
3
5.
Repeat steps 3 and 4.
6.
Push the crown in to position
0
in accordance with a reliable
time source.
The second hand starts moving from 0 second.
7.
Change the mode to [
TME
] to finish the procedure.