MO0303-B
USERS GUIDE 2575
About This Manual
Button operations are indicated using the letters shown
in the illustration.
Each section of this manual provides you with the
information you need to perform operations in each
mode. Further details and technical information can be
found in the ŇReference section.
(Light)
Stopwatch Mode
Recall Mode
General Guide
Press C to change from mode to mode.
In any mode, press L to illuminate the display.
Timekeeping Mode
Press C.
Dual Time Mode
Alarm Mode
Countdown Timer Mode
Timekeeping
To measure times with the stopwatch
Use the Timekeeping Mode to set and view the current
Hour : Minutes Seconds
time and date.
Elapsed Time
Year
D
A
A
A
A
➤
➤
➤
➤
To set the time and date
Start
Stop
Re-start
Clear
Stop
1. In the Timekeeping Mode, hold down B until the
seconds start to flash, which indicates the setting
Lap/Split Times
screen.
D
A
D
D
A
➤
➤
➤
➤
2. Press C to move the flashing in the sequence shown
Clear
Next Lap/
Start
Lap/Split
Stop
below to select other settings.
Split
Note
Pressing D to perform a lap/split time operation freezes the lap/split time at that
12/24-Hour
Hour
Seconds
Minutes
point on the display for about eight seconds. After that, the display returns to normal
Format
stopwatch time measurement.
During a stopwatch time measurement operation, the upper part of the display
Day of week
shows the hour digit and the current lap/split number, the center part shows the
Month Day
current split time, and the lower part shows the current lap time.
Year
Day
Month
PM indicator
When the pacer signal is turned on, it sounds for the first 30 seconds after you start
a stopwatch time measurement operation. After that, the pacer signal sounds for 30
3. When the setting you want to change is flashing, use D and A to change it as
seconds whenever you press B.
described below.
If the pacer signal does not sound even though you have it turned on, press B to
change the positions of the lap time and split time on the display. This should cause
Setting
Button Operation
Screen
the pacer signal to sound.
Seconds
Press D to reset to 00.
Selecting the Stopwatch Screen Format
Hour, Minutes
Use D (+) and A () to change the setting.
The following shows how you can control the position of the lap time and split time on
the stopwatch screen.
12/24-Hour
Press D to toggle between 12-hour (12H) and
Minutes
Format
Lap/Split number
24-hour (24H) timekeeping.
Lap time
Hours
Seconds
Year, Month, Day
Use D (+) and A () to change the setting.
4. Press B to exit the setting screen.
Press B.
Split
➤
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
➤
time
applied in all modes.
The day of the week is automatically displayed in accordance with the date (year,
month, and day) settings.
Lap/Split
More than 10 hours
Split time
Lap time
indicator
Stopwatch
The Lap/Split indicator uses arrows to indicate the location the lap time and split
(elapsed) time.
The 1/100-second stopwatch can measure elapsed time
Remaining memory
When you first start a stopwatch operation by pressing A, both the center part and
and lap/split times. The stopwatch uses the basic data you
the lower part of the display show minutes, seconds, and 1/100 second. Whenever
Minutes
input and a pacer signal to calculate the distance you
the time shown in the lower part of the display is greater than 60 minutes, the display
Seconds
cover while jogging or running. Stopwatch times and your
Hours
format changes to show hours, minutes, and seconds. Whenever the time in the
distance are also stored in memory.
center part of the display is greater than 10 hours, the display format changes to
The stopwatch measurement operation continues even
show hours, minutes, and seconds.
if you exit the Stopwatch Mode.
Exiting the Stopwatch Mode while a lap/split time is
Basic Data
frozen on the display clears the lap/split time and returns
The term Ňbasic data refers to the pacer signal setup, and information about your
to elapsed time measurement.
stride length.
Stopwatch measurements are performed in the
Stopwatch Mode, which you enter by pressing C.
Important!
You cannot change basic data settings while a Stopwatch Mode time measurement
Timekeeping
operation is in progress. Stopwatch operation must be stopped and the Stopwatch
Mode time
screen must be cleared to all zeros before you can change basic data settings.
1/100 second
Whenever you want to change the stride length unit, you must first reset the
Cumulative Total screen to zero.
How the Stopwatch Works
Be sure to update basic data values whenever the person using the watch changes.
There are two ways you can use the stopwatch: to measure elapsed time and lap/split
times like a standard stopwatch (see ŇTo measure times with the stopwatch), and to
Pacer Signal
keep track of the distance you cover while jogging or running. In order to use the
The pacer signal of this watch beeps in accordance with a pacer value (rate) set by
stopwatch to keep track of distance, you must first perform the steps listed below.
you. You can use the pacer signal to maintain a constant pace while jogging or
1. Set your basic data. See ŇBasic Data.
running. You can also turn off the pacer signal when you do not want to use it.
2. Turn on the pacer signal. See ŇTo turn the pacer signal on and off.
The pacer value you set specifies the number of beeps per minute.
Turning on the pacer signal causes the watch to beep at the rate specified by the
Note
pacer value.
In order to obtain accurate distance calculations, you must set accurate basic data
You can set a pacer value in the range of 100 to 200 beats per minute, in units of 5.
and keep your exercise pace in accordance with the pacer signal emitted by the
You can disable the pacer function by setting a pacer value of xxx. While the pacer
watch.
value is set to xxx, the watch does not calculate distance covered.
Use the Recall Mode to view data stored in memory.
Stride Length
You can view distance covered data only by recalling it in the Recall Mode. It does
You can specify either centimeters (XM) or inches (Yn) as the stride length unit. The
not appear on the Stopwatch Mode screen.
unit you specify for the stride length unit also determines the unit of measurement
used for the distance value in the Stopwatch Mode and Recall Mode, as shown below.
1
USERS GUIDE 2575
To delete a log
Stride Length Unit
Setting Range
Setting Increment
Distance Unit
1. In the Recall Mode, display the title screen of the log you want to delete.
40 to 190 cm
5 cm
Kilometers (km)
Centimeters (XM)
See ŇTo reset the cumulative total screen below for information about what
happens when you select the cumulative total screen here.
Inches (Yn)
16 to 76 in
2 in
Miles (mi)
2. Hold down A and D until the watch beeps and
stops flashing on the
CLR
display.
The following examples illustrate how you can calculate values for this setting.
239 steps required to run around a 300-meter track.
This deletes the log and all the records inside it. Deleting a log does not change the
300 (meters) 239 (steps) = 1.255 (approximately 125 cm)
â
cumulative total distance value.
239 steps required to run around a 330-yard track.
330 (yards) 239 (steps) 36 = 49.70 (approximately 50 inches)
To reset the cumulative total screen
â
×
1. In the Recall Mode, display the cumulative total screen.
To configure your basic data
2. Hold down A and D until the watch beeps and
stops flashing on the
CLR
1. While the Stopwatch Mode screen shows all zeros
display.
0 H
(
00'00''00), hold down B until the pacer value
This resets the cumulative total distance to zero, without deleting any logs or
appears flashing on the display. This indicates the
records. A new cumulative total will start with the next stopwatch operation you
setting screen.
perform.
2. Press C to move the flashing in the sequence shown
below to select other settings.
Countdown Timer
Pacer value
Pacer signal
You can set the countdown timer within a range of one
minute to 100 hours. An alarm sounds when the
Minutes
Stride length unit
Stride length
countdown reaches zero.
Hours
You can also select auto-repeat, which automatically
Seconds
restarts the countdown from the original value you set
3. When the setting you want to change is flashing, use
whenever zero is reached.
D and A to change it as described below.
Countdown timer functions are available in the
Countdown Timer Mode, which you can enter using C.
Setting
Screen
Button Operations
Pacer value
Use D (+) and A () to change the setting.
To set the countdown start time
Selecting xxx disables the pacer signal.
1. While the countdown start time is on the display in the
Countdown Timer Mode, hold down B until the hour
setting of the countdown start time starts to flash, which
Pacer signal
Press D to toggle the pacer signal on (ON)
Timekeeping Mode time
indicates the setting screen.
and off (OFF).
If the countdown start time is not displayed, use the
procedure under ŇTo use the countdown timer to
Stride length
Use D (+) and A () to change the setting.
diplay it.
2. Press C to move the flashing between the hour and
Stride length unit
Press D to toggle between centimeters (XM)
minute settings.
and inches (Yn).
3. Use D (+) and A () to change the flashing item.
When the pacer signal is turned on, the pacer signal sounds in accordance with the
To set the starting value of the countdown time to 100
pacer value while the pacer signal or pacer value setting screen is on the display.
hours, set 0:00.
4. Press B to exit the setting screen.
4. Press B to exit the setting screen.
If you find that the stride length unit wont change reset the cumulative total to all
zeros.
To use the countdown timer
Press A while in the Countdown Timer Mode to start the countdown timer.
To turn the pacer signal on and off
When the end of the countdown is reached and auto-repeat is turned off, the alarm
1. While the Stopwatch Mode screen shows all zeros
sounds for 10 seconds or until you stop it by pressing any button. The countdown
0 H
(
00'00''00), hold down B until the pacer value
time is automatically reset to its starting value when the alarm sounds.
appears flashing on the display. This indicates the
Press A while a countdown operation is in progress to pause it. Press A again to
setting screen.
resume the countdown.
2. Press C once to display the pacer signal setting
To completely stop a countdown operation, first pause it (by pressing A), and then
screen.
press D. This returns the countdown time to its starting value.
3. Press D to toggle the pacer signal on (ON) and off
(OFF).
To turn auto-repeat on and off
A pacer signal on indicator (
) appears when this
While the countdown start time is displayed on the
setting it turned on.
Countdown Timer Mode screen, hold down D for about
4. Press B to exit the setting screen.
two seconds to toggle auto-repeat on (
displayed) and
off (
not displayed).
When auto-repeat is turned on, the alarm sounds and
Recall Mode
countdown starts again whenever the countdown
reaches zero. You can stop the countdown by pressing
Use the Recall Mode to recall and delete records stored
Distance covered
A, and manually reset to the countdown start time by
by the Stopwatch Mode.
pressing D.
Stopwatch records are stored in Ňlogs that are created
Auto-repeat timing repeats up to seven times.
automatically by the watch. See ŇMemory Management
for more information.
The title screen of the newest log appears first whenever
Alarms
you enter the Recall Mode.
Log numbers are automatically assigned in sequence,
You can set five independent Daily Alarms. When an
starting from 01.
Alarm number
alarm is turned on, the alarm tone sounds when the alarm
All of the operations in this section are performed in the
Alarm time
time is reached. One of the alarms can be configured as a
Creation date
Log number
Recall Mode, which you enter by pressing C.
(Hour : Minutes)
(Month Day)
snooze alarm or a one-time alarm, while the other four are
one-time alarms.
Log Title Screen
To recall stopwatch records
You can also turn on an Hourly Time Signal that causes
In the Recall Mode, use B to scroll through the log title
the watch to beep twice every hour on the hour.
screens, starting from the newest one, as shown below.
There are five alarm screens numbered 1 through 5.
When the title screen of the log you want is displayed, use
The hourly time signal screen is indicated by :00.
D and Ato cycle through the records contained in the log.
All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
Cumulative Total Screen
Stopwatch Record
Best Lap Time
Screen
Screen
Timekeeping Mode time
BEST indicator
Log Title Screen
Lap/Split number
To set an alarm time
Split time
Press A.
1. In the Alarm Mode, use D to scroll through the alarm
Press B.
screens until the one whose time you want to set is
displayed.
Press D.
x3
x1
x2
Lap time
x4
:00
x5
You can configure Alarm 1 as a snooze alarm or a one-time alarm. Alarms 2
The cumulative total screen shows the total distance since the last cumulative total
through 5 can be used as one-time alarms only.
distance reset.
The snooze alarm repeats every five minutes.
The locations of the lap time and split time (middle or bottom of the display) in the
2. After you select an alarm, hold down B until the hour setting of the alarm time
Stopwatch Record screen are determined by the display format you last selected in
starts to flash. This indicates the setting screen.
the Stopwatch Mode.
3. Press C to move the flashing between the hour and minute settings.
The BEST indicator identifies the record that contains the best lap time in the log.
4. While a setting is flashing, use D (+) and A () to change it.
If a best lap time record is deleted automatically when the log becomes full, the
When setting the alarm time using the 12-hour format, take care to set the time
BEST indicator will not be transferred to the record with the next best lap time. See
correctly as a.m. (no indicator) or p.m. (PM indicator).
ŇMemory Management for more information about automatic deletion of records.
5. Press B to exit the setting screen.
The unit of measurement used for the distance calculation depends on the unit you
select for your stride length as shown in the table below. See ŇTo configure your
Alarm Operation
basic data for more information.
The alarm sounds at the preset time for about 10 seconds. In the case of the snooze
Selected Stride Unit
Distance Unit
alarm, the alarm operation is performed a total of seven times, every five minutes, until
you turn the alarm off or change it to a one-time alarm.
XM (centimeters)
km (kilometers)
Yn (inches)
mi (miles)
2
USERS GUIDE 2575
Note
Warning!
Pressing any button stops the alarm tone operation.
Always make sure you are in a safe place whenever you are reading the
Performing any one of the following operations during a 5-minute interval between
display of the watch using the auto light switch. Be especially careful when
snooze alarms cancels the current snooze alarm operation.
running or engaged in any other activity that can result in accident or injury.
Displaying the Timekeeping Mode setting screen
Also take care that sudden illumination by the auto light switch does not
Displaying the Alarm setting screen
1
surprise or distract others around you.
When you are wearing the watch, make sure that its auto light switch is turned
To test the alarm
off before riding on a bicycle or operating a motorcycle or any other motor
In the Alarm Mode, hold down D to sound the alarm.
vehicle. Sudden and unintended operation of the auto light switch can create a
distraction, which can result in a traffic accident and serious personal injury.
2
2
5
5
To turn Alarms through on and off
2
5
2
2
5
5
1. In the Alarm Mode, use D to select a one-time alarm
To turn the auto light switch on and off
(alarm number 2 through 5).
In the Timekeeping Mode, hold down D for about two seconds to toggle the auto light
One-time alarm
2. Press A to toggle the displayed alarm on and off.
switch on (
displayed) and off (
not displayed).
on indicator
Turning on a one-time alarm (2 through 5) displays the
The auto light switch on indicator (
) is on the display in all modes while the auto
one-time alarm on indicator (
) on its screen.
light switch is turned on.
The one-time alarm on indicator is displayed in all
modes.
Reference
If any alarm is on, the alarm on indicator is shown on
the display in all modes.
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.
1
1
To select the operation of Alarm11
1
Auto Return Feature
1. In the Alarm Mode, use D to select Alarm1.
If you leave a screen with flashing digits on the display for two or three minutes
2. Press A to cycle through the available settings in the sequence shown below.
without performing any operation, the watch automatically saves any settings you
have made up to that point and exits the setting screen.
SNZ indicator and one-time alarm on indicator
Initial Screens
SNZ
When you enter the Alarm Mode, the screen you were viewing when you last exited
the mode appears first.
One-time alarm on
Snooze alarm on
Alarm off
Data and Setting Scrolling
The A and D buttons are used in various modes and setting screens to scroll
or SNZ
) is displayed in all modes when an
The applicable alarm on indicator (
through data on the display. In most cases, holding down these buttons during a scroll
alarm is turned on.
operation scrolls through the data at high speed.
The SNZ indicator flashes during the 5-minute intervals between alarms.
Displaying the Alarm 1 setting screen while the snooze alarm is turned on
Timekeeping
automatically turns off the snooze alarm (making Alarm1 a one-time alarm).
Resetting the seconds to 00 while the current count is in the range of 30 to 59
To turn the hourly time signal on and off
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
1. In the Alarm Mode, use D to select the Hourly Time
reset to 00 without changing the minutes.
Hourly time signal
Signal.
With the 12-hour format, the PM (PM) indicator appears on the display for times in
on indicator
2. Press A to toggle the displayed item on and off.
the range of noon to 11:59 p.m. and no indicator appears for times in the range of
Turning on the Hourly Time Signal displays the hourly
midnight to 11:59 a.m.
time signal on indicator (
) on its screen.
With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
The hourly time signal on indicator is displayed in all
any indicator.
modes.
The year can be set in the range of 2000 to 2039.
The watchs built-in full automatic calendar automatically 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 watchs battery replaced.
Stopwatch
You can use lap time measurement to time how long it takes to complete a specific
Dual Time
portion (such as a single lap) of a race.
You can use split time measurement to time how long it takes to get from the start to
The Dual Time Mode lets you keep track of time in a
Dual time
a specific point in a race.
different time zone.
(Hour : Minutes Seconds)
The seconds count of the Dual Time is synchronized
Memory Management
with the seconds count of the Timekeeping Mode.
Each time you press A to start a new elapsed time or lap/split operation in the
Stopwatch Mode, the watch automatically creates a new Ňlog in its memory. The log
To set the Dual Time
remains open for data storage until you permanently close it by pressing D to clear
1. Press C to enter the Dual Time Mode.
the stopwatch to all zeros.
2. Use A, B, and D to set the Dual Time Mode time.
The watch has enough memory to hold up to 61 records. Since each log title screen
Each press of D (+) and A () changes the time
uses up one record of memory space, the maximum number of lap/split time records
setting in 30-minute increments.
you can store depends on how many logs there are currently in memory, as shown
Pressing B sets the Dual Time Mode to the same time
below.
as the Timekeeping Mode.
Timekeeping Mode time
Number of Logs
Memory Capacity
Lap/Split Time Record Capacity
Currently in Memory
Backlight
61 records 1 log title screen = 60
1
61 Records
61 records 2 log title screens = 59
2
The backlight uses an LED (light-emitting diode) and a
61 records 5 log title screens = 56
5
Auto light switch
light guide panel that cause the entire display to glow for
on indicator
easy reading in the dark. The watchs auto light switch
The watch also calculates the cumulative total distance for all stopwatch operations
automatically turns on the backlight when you angle the
since the last time the cumulative total distance was reset. The cumulative total does
watch towards your face.
not affect memory capacity.
The auto light switch must be turned on (indicated by
If watch memory is already full when you perform a stopwatch button operation that
the auto light switch on indicator) for it to operate.
creates a new log, the oldest log in memory and all of its records are deleted
See ŇBacklight Precautions for other important
automatically to make room for the new log.
information about using the backlight.
If you are adding records to the only log in memory and watch memory becomes
full, adding another record causes the oldest record in the log to be deleted
To turn on the backlight manually
automatically to make room for the new record.
In any mode, press L to illuminate the display for about
If you are adding records to a log when there are multiple logs in memory and watch
one second.
memory becomes full, adding another record causes the oldest log in memory and
The above operation turns on the backlight regardless of
all of its records to be deleted automatically to make room for new records.
the current auto light switch setting.
How Stopwatch Data is Stored
About the Auto Light Switch
The following table describes how data is stored when you perform the various button
operations described under ŇTo measure times with the stopwatch.
Turning on the auto light switch causes the backlight to turn on for about one second,
whenever you position your wrist as described below in any mode.
Stopwatch Button Operation
Data Store Operation
A Start (from all zeros)