E-31
•
The Auto DST (
AUTO
) setting will be available only when a city code that supports time calibration
signal reception (page E-14) is selected as the Home City. While Auto DST is selected, the DST setting
will be changed automatically in accordance with time calibration signal data.
•
Note that you cannot switch between standard time and daylight saving time (DST) while UTC is
selected as your Home City.
5. After all of the settings are the way you want, press
A
to exit the setting screen.
•
Daylight Saving Time is turned on when the
DST
indicator is on the display.
Note
•
After you specify a city code, the watch will use UTC* offsets in the World Time Mode to calculate
the current time for other time zones based on the current time in your Home City.
* Coordinated Universal Time, the world-wide scientifi c standard of timekeeping.
The reference point for UTC is Greenwich, England.
•
Selecting some city codes automatically makes it possible for the watch to receive the time
calibration signal for the corresponding area. See page E-14 for details.
E-30
Confi guring Home City Settings
There are two Home City settings: actually selecting the Home City and selecting either standard time or
daylight saving time (DST).
To confi gure Home City and summer time settings
1. In the Timekeeping Mode, hold down
A
for at least two seconds.
SET
will fl ash in the upper display and
Hold
will fl ash in the lower display.
Next,
SET
will fl ash in the middle display and then
CITY
will appear in
the upper display. Keep
A
depressed until this happens.
•
The city code and the name of the currently selected city will scroll
across the display.
•
The watch will exit the setting mode automatically if you do not
perform any operation for about two or three minutes.
•
For details about city codes, see the “City Code Table” at the back
of this manual.
2. Use
D
(East) and
L
(West) to scroll through the available city codes.
•
Keep scrolling until the city code you want to select as your Home
City is displayed.
3. Press
C
to display the DST setting screen.
4. Use
D
to cycle through the DST settings in the sequence shown below.
Auto DST (
AUTO
)
DST off (
OFF
)
DST on (
ON
)
ll
l
l l
l l l l ll
ll
ll
l
l
l
l
ll
l
l
l
ll
ll
l
l
l l
l
ll
ll
l
l
ll
l
ll
l
City code
PM indicator
Hour : Minutes
DST indicator
Seconds
E-29
Timekeeping
Use the Timekeeping Mode (
TIME
) to set and view the current time and date.
•
Each press of
A
in the Timekeeping Mode will change screen contents as shown below.
Important!
•
Elapsed surface time measurement starts automatically after a dive is complete.
•
Elapsed surface time measurement ends 48 hours following dive completion.
lll
lllllll
llllllll
Day of the Week/Date Screen
Tide Graph
Surface Time
*
Day of week
Day
Tide Graph
Seconds
Hour :
Minutes
PM
indicator
A
A
A
* Not displayed after 48 hours following dive completion.
E-28
Graphic Dial
The indication of the graphic dial is synced with the minutes and seconds of the current time and time
measurements.
•
In the Timekeeping Mode and the World Time Mode, segments appear in
one-second units. After the 60th second, segments disappear in one-second
units.
•
During diving log data display, segments appear in one-minute units. After the
60th minute, segments disappear in one-minute units.
•
When measuring a dive time in the Diving Mode, and when measuring time in the
Stopwatch Mode and Timer Mode, segments fl ash in one-minute units. After the
60th minute, segments disappear in one-minute units.
l
ll
lll
ll
ll
l
E-27
Auto Return Features
•
The watch will automatically return to the Timekeeping Mode if you do not perform any button operation
for a particular amount of time in each mode.
Mode Name
Approximate Elapsed Time
Diving Log, Time Recall, Tide/Moon, Alarm, Receive
3 minutes
Thermometer
1 hour
Setting screen (digital setting fl ashing)
3 minutes
Digital Compass
1 minute
Diving (underwater)
6 hours
Diving (on water surface, before diving)
30 minutes
Diving (on water surface, after diving)
10 minutes
Initial Screens
When you enter the Alarm, World Time, or Digital Compass Mode, the data you were viewing when you
last exited the mode appears fi rst.
Scrolling
The
D
and
L
buttons are used on the setting screen to scroll through data on the display. In most
cases, holding down these buttons during a scroll operation will scroll through the data at high speed.
E-26
Each press of
C
cycles through modes in the sequence shown below.
l ll
lllllll
l ll
lllllll
l ll
lllllll
l ll
lllllll
l ll
lllllll
Timekeeping Mode
Receive Mode
Diving Log Mode
Tide/Moon Mode
Time Recall Mode
Thermometer
Mode
Stopwatch Mode
World Time Mode
Countdown Timer
Mode
Alarm Mode
C
C
C
C
C
C
C
C
C
C
General Functions (All Modes)
The functions and operations described in this section can be used in all of the modes.
Direct Timekeeping Mode Access
•
To enter the Timekeeping Mode from any mode besides the Diving Mode, hold down
C
for about one
second.
E-25
Selecting a Mode
•
The illustration below shows which buttons you need to press to navigate between modes.
Use the button operations shown below to navigate between the Timekeeping Mode, Diving Mode, and
Digital Compass Mode. For information about navigating to other modes, see page E-26.
Important!
•
You can enter the Diving Mode from any mode.
•
To enter the Digital Compass Mode, fi rst enter the Timekeeping Mode.
lll
lllllll
Diving Mode
Digital Compass Mode
Timekeeping Mode
C
D
C
*2
C
*1
C
*1
About three seconds
About three
seconds
About three seconds
*1 On a boat or in any other location outside the water, hold down
C
for about three seconds.
*2 At a depth of 1.4 meters or less (on a boat, etc.), hold down
C
for about three seconds.
E-24
To do this:
Enter this mode:
See:
•
Perform a manual time calibration signal receive operation
•
Check whether the last receive operation was successful
•
Confi gure auto receive settings
Receive Mode
E-18
Operation Guide 3445