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2422-2
Daylight Saving Time (DST)
Daylight Saving Time (summer time) automatically advances the time
setting by one hour from Standard Time. Remember that not all
countries or even local areas use Daylight Saving Time.
To toggle your Home Site time between DST and Standard Time
1. In the Timekeeping Mode, hold down A
until the second’s digits start to flash, which
indicates the setting screen.
2. Press C twice to move the flashing to the
DST On/Off setting.
3. Press D to toggle between Daylight
Saving Time (O ) and standard time
(OFF).
4. Press A to exit the setting screen.
• The DST indicator appears on the display
to indicate that daylight saving time is
turned on.
DST indicator
DIVE TIME MEASUREMENT
The Dive Time Measurement Mode lets you
measure the total time you spend underwater
while diving or snorkeling, and the amount of
time spent on the surface (surface interval).
The watch also stores one diving time record
(total dive time and dive start time) into log
memory for later recall.
Warning!
• Make sure that you have received proper diving training before
using this watch underwater.
• Always use the “buddy system” when diving - never dive alone.
• Note that this watch is NOT a diving computer, and is not capable
of making decompression calculations.
• Note that this watch cannot be used in helium atmospheres.
Before Diving/Snorkeling
• Be sure to check that the battery power indicator shows Level 1
(
) or Level 2 ( ). If another level is indicated, do not use
the watch for diving/snorkeling.
• Make sure that the watch is set to the correct time of day.
• Check the glass, case and band for cracks or chips.
• Make sure that the band is fastened securely around your wrist.
• Though the functions of this watch are not affected by
magnetism, its case can become magnetized after long exposure
to a magnetic field. The magnetized case, in turn, can interfere
with the proper operation of a separate diving compass. Because
of this, you should keep this watch away from your diving
compass if you suspect its case has become magnetized.
While Diving/Snorkeling
• Check to make sure that timer operation is being performed
properly.
• Avoid frequent use of the backlight in the Dive Time Measurement
Mode. Frequent backlight use can run down the battery, causing
the light and long beep that sounds when dive time measurement
is stopped to become disabled.
• To avoid scratching the watch, take care when diving/snorkeling
near rocks or coral.
After Diving/Snorkeling
To avoid corrosion, rinse your watch thoroughly with fresh water to
remove salt water, dirt, etc. When possible, soak the watch in fresh
water overnight to make sure that all salt is removed.
Mode indicator
Current time
Dive time
Dive time
(hours : minutes seconds)
Dive start time
Current time
To use the Dive Time Measurement Mode
1. Before diving/snorkeling, switch to the Dive
Time Measurement Mode by holding down
C for at least one second.
2. To start the dive time measurement
operation, press D.
3. To stop the measurement, hold down D
for at least one second (until the watch
emits a long beep).
4. To restart timing from the dive time shown
on the display, press D .
• You can repeat steps 3 and 4 as many
times as you like.
5. To clear the Dive Time Measurement
Mode, stop the measurement operation
(step 3, above) and then press A.
Note
• Timing of the surface interval starts whenever you hold down D to
stop the dive time measurement operation in step 3, above. This
timing is performed internally, and it is not indicated on the Dive Time
Measurement Mode screen. For details on how to view surface interval
data, see “To view log data”.
• Do not recall log data while dive time measurement is stopped and you
plan to restart it. If you do, the dive time to that point will be stored into
memory and the data will be cleared when you exit the Dive Time
Measurement Mode.
Surface interval
(hours : minutes)
Dive start time
Dive time
To view log data
1. Hold down C for at least one second to
enter the Timekeeping Mode from the Dive
Time Measurement Mode.
2. Hold down D to display the Log Data
screen. The Log Data screen remains
visible as long as you hold down D.
Releasing D returns to the normal
Timekeeping Mode screen.
• Timing of the surface interval continues
until you restart dive time measurement
or until the surface interval reaches 24
hours.
Clearing Log Data Memory
Log data in memory is replaced automatically by the newest
measurement. Use the following operation when you want to clear log
data memory manually.
To clear log data memory
1. While in the Timekeeping Mode, hold down
D to display the Log Data screen.
2. While holding down D, press A to clear
log data memory.
• No data is shown on the Log Data screen
when log data memory is cleared.
SITE MODE
The Site Mode lets you view the current time
in any one of 10 different sites. Your watch
comes pre-programmed with site data (site
name and GMT differential) for famous
snorkeling and diving sites around the world.
You can use this site data as it is or change it
to suit your needs.
• All of the operations in this section are
performed in the Site Mode, which you enter
by pressing C.
To view the time in another site
In the Site Mode, press D to scroll forward
through the site data.
Current time
in the selected site
Mode indicator
Current time
Site name
Changing Site Data
Site data consists of the site name, DST setting, and the GMT differential
of the site. Changing site data causes its time to be set automatically in
accordance with the GMT differential.
• You cannot change the site data of the site that is set as your Home
Site in the Timekeeping Mode.
To change site data
1. In the Site Mode, use D to display the name
of the site whose data you want to change.
2. Hold down A until the cursor appears on
the display, which indicates the setting
screen.
• If your Home Site is on the display,
pressing A causes the indicator HOME
to appear, without the cursor.
3. Use C to move the cursor to the location of the site name character
you want to change.
4. Use B and D to scroll through characters at the cursor position.
• Each press of these buttons scrolls through characters in the
sequence shown below.
-
)
Press D.
Press B.
(space)
1
to
0
A
to
Z
( / .
5. Repeat steps 3 and 4 to input all the characters of the site name.
• To delete a character, input a space over it.
• A site name can be up to 14 characters long.
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