Operation Guide 3468
E-49
Operating Precautions
Water Resistance
•
The information below applies to watches with WATER RESIST or WATER
RESISTANT marked on the back cover.
Water
Resistance
Under Daily
Use
Enhanced Water Resistance Under Daily
Use
5
Atmospheres
10
Atmospheres
20
Atmospheres
Marking
On watch front or on
back cover
No
BAR mark
5BAR
10BAR
20BAR
Example of
Daily Use
Hand washing, rain
Yes
Yes
Yes
Yes
Water-related work, swimming
No
Yes
Yes
Yes
Windsurfing
No
No
Yes
Yes
Skin diving
No
No
Yes
Yes
•
Do not use your watch for scuba diving or other types of diving that requires air tanks.
OPUM-E
E-48
Countdown Timer:
Measuring unit: one second
Input range: one minute to 24 hours (1-minute increments and 1-hour increments)
Other: Auto-repeat timing
Alarms:
3 Multi-function*alarms (1 with snooze feature); Hourly Time Signal
*
Alarm type: Daily alarm, Date alarm, 1-month alarm, Monthly alarm
Dual Time:
Hour, minutes, seconds, a.m. (
A
)/p.m. (
P
)
Other: Daylight Saving Time (summer time)/Standard Time
Illumination:
LED (light-emitting diode); Selectable illumination duration
(approximately 1.5 seconds or 3 seconds)
Other:
Button operation tone on/off
Battery:
One lithium battery (Type: CR2025)
Approximately 10 years on type CR2025 (10 seconds of alarm operation per day,
one illumination operation (1.5 seconds) per day)
Specifications are subject to change without notice.
E-47
Specifications
Accuracy at normal temperature:
± 30 seconds a month
Timekeeping:
Hour, minutes, seconds, a.m. (
A
)/ p.m. (
P
), month, day, day of the
week
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Daylight Saving Time (summer time)/Standard Time
Stopwatch:
Measurement Capacity: 99 hours, 59 minutes, 59 seconds
Measurement Units: Depends on range.
Lap Times: 1/100 second from 00:00 00 to 00:59 59.99; 1 second from 1:00 00
to 99:59 59
Split Times: 1/100 second from 00:00 00 to 09:59 59.99; 1 second from 10:00 00
to 99:59 59
Measurement Types: Elapsed time, lap times, split times, two finishes
Memory Capacity: 60 records (used for lap times and split times)
Other: Lap/split numbers
E-46
Illumination Precautions
•
Illumination may be difficult to see when viewed under direct sunlight.
•
Illumination turns off automatically whenever an alarm sounds.
•
Frequent use of illumination runs down the battery.
E-45
Scrolling
The
D
and
E
buttons are used in various modes and setting screens to scroll
through data on the display. In most cases, holding down these buttons during a scroll
operation scrolls through the data at high speed.
Timekeeping
•
Resetting the seconds to
while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to
without changing the minutes.
•
The year can be set in the range of 2000 to 2099.
•
The watch’s built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to
change it except after you have the watch’s batteries replaced.
E-44
Button Operation Tone
The button operation tone sounds any time you press one
of the watch’s buttons. You can turn the button operation
tone on or off as desired.
•
The multi-function alarms and Countdown Timer Mode
alarm will sound even if the button operation tone is
turned off.
To turn the button operation tone on and off
In any mode (except when a setting screen is on the display), hold down
C
to toggle
the button operation tone on (mute indicator not displayed) and off (mute indicator
displayed).
•
Holding down
C
to turn the button operation tone on or off also causes the watch’s
current mode to change.
•
The mute indicator is displayed in all modes when the button operation tone is
turned off.
E-43
Reference
This section contains more detailed and technical information about watch operation.
It also contains important precautions and notes about the various features and
functions of this watch.
Auto Return Feature
•
If you leave a screen with flashing digits on the display for two or three minutes
without performing any operation, the watch saves any settings you have made up
to that point and exits the setting screen automatically.
•
The watch will change to the Timekeeping Mode automatically if you do not perform
any operation in the Recall Mode or Alarm Mode for two or three minutes.
E-42
To specify the illumination duration
1. In the Timekeeping Mode, hold down
A
until the
seconds start to flash, which indicates the setting
screen.
2. While the seconds are flashing, press
E
to toggle the
setting between 1.5 seconds ( ) and 3 seconds (
).
3. Press
A
to exit the setting screen.
E-41
Illumination
An LED (light-emitting diode) illuminates the face of the
watch for easy reading in the dark.
•
See “Illumination Precautions” (page E-46) for other
important information about using illumination.
To illuminate the display manually
In any mode, press
B
to turn on illumination.
•
You can use the procedure below to select either
1.5 seconds or 3 seconds as the illumination duration.
When you press
B
, illumination will remain on for about
1.5 seconds or 3 seconds, depending on the current
illumination duration setting.
E-40
4. When the setting you want to change is flashing, use
D
and
E
to change it as
described below.
Screen:
To do this:
Do this:
Toggle between Daylight Saving Time (
)
and Standard Time (
)
Press
D
.
Change the hour or minutes
Use
D
(+) and
E
(–).
5. Press
A
to exit the setting screen.
•
The
DST
indicator on the Dual Time Mode screen indicates that DST is turned on
for the Dual Time Mode time.