MA1101-EA
Operation Guide 3237
About This Manual
Contents
• Button operations are indicated using the letters shown
in the illustration.
General Guide ......................................................................................................... E-4
Timekeeping ............................................................................................................ E-6
Alarms ...................................................................................................................... E-9
Countdown Timer ................................................................................................. E-16
Stopwatch .............................................................................................................. E-19
Dual Time ............................................................................................................... E-21
Backlight ................................................................................................................ E-22
Reference .............................................................................................................. E-23
Specifications ....................................................................................................... E-25
• 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 “Reference” section.
E
E-1
To set the Dual Time ............................................................................................. E-21
To turn on the backlight ....................................................................................... E-22
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To set the time and date ......................................................................................... E-6
To toggle between 12-hour and 24-hour timekeeping ......................................... E-8
To set an alarm time ............................................................................................. E-11
To test the alarm ................................................................................................... E-13
2
5
To turn Alarms through and the Hourly Time Signal on and off ................ E-14
1
To select the operation of Alarm ....................................................................... E-15
To use the countdown timer ................................................................................ E-16
To set the countdown start time .......................................................................... E-17
To turn auto-repeat on and off ............................................................................. E-18
To measure times with the stopwatch ................................................................ E-20
E-2
E-3
• In any mode, hold down C for about one second to return to the Timekeeping
Mode.
General Guide
• Press C to change from mode to mode.
• In any mode, press B to illuminate the display.
Timekeeping Mode
Alarm Mode
Countdown Timer
Mode
Stopwatch Mode
Dual Time Mode
Press
.
E-4
E-5
3. When the setting you want to change is flashing, press D to change it as
Timekeeping
described below.
Use the Timekeeping Mode to set and view the current
time and date.
Day of week
To change this setting
Seconds
Hour, Minutes, Year, Month, Day Press D to increase the setting.
Perform this button operation
Press D to reset to 00.
Month – Day
To set the time and date
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C to move the flashing in the sequence shown
below to select other settings.
• Pressing D while the seconds are in the range of 30 to 59 resets them to 00 and
adds 1 to the minutes. In the range of 00 to 29, the minutes are unchanged.
4. Press A to exit the setting screen.
• The day of the week is automatically displayed in accordance with the date (year,
month, and day) settings.
• The year can be set in the range of 2000 to 2099.
• The watch’s 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 watch’s battery replaced.
Seconds
Day
Hour
Minutes
Year
Seconds
Hour : Minutes
PM indicator
Month
E-6
E-7
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping and
24-hour timekeeping.
Alarms
You can set up to five independent multi-function alarms
with hour, minutes, month, and day. When an alarm is
turned on, the alarm tone sounds when the alarm time is
reached. One of the alarms can be configured as a
snooze alarm or a one-time alarm, while the other four are
one-time alarms.
Alarm date
• With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for
times in the range of noon to 11:59 p.m. and no indicator appears to the left of the
hour digits for times in the range of midnight to 11:59 a.m.
• With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
(Month – Day)
You can also turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
1
5
• There are five alarms numbered through . You can
1
configure Alarm as a snooze alarm or a one-time
alarm. Alarms through can be used as one-time
alarms only.
2
5
Alarm number
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C (page
E-4).
Alarm time
(Hour : Minutes)
E-8
E-9
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Operation Guide 3237
To measure times with the stopwatch
Elapsed time
Dual Time
The Dual Time Mode lets you keep track of time in a different time zone.
• In the Dual Time Mode, the seconds count is synchronized with the seconds count
of the Timekeeping Mode.
Start
Stop
Re-start
Stop
Stop
Clear
Clear
To set the Dual Time
Split time
1. Press C to enter the Dual Time Mode (page E-5).
2. In the Dual Time Mode, hold down A until the hour
setting starts to flash, which indicates the setting
screen.
3. Press C to change the selection in the following
sequence.
Split
(SPL displayed)
Split release
Start
Two Finishes
Start
Hour
Minutes
Seconds
Hour : Minutes
Split
Stop
Split release
Display time of
second runner.
Clear
4. Press D to increase the setting.
5. Press A to exit the setting screen.
First runner
Second runner
finishes.
finishes.
Display time of
first runner.
E-20
E-21
Reference
Backlight
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.
The backlight uses an LED (light-emitting diode) and a
light guide panel that cause the entire display to glow for
easy reading in the dark.
• See “Backlight Precautions” on page E-24 for other
important information about using the backlight.
Auto return features
If you leave a screen with flashing digits for two or three minutes without performing
any operation, the watch automatically saves any settings you have made up to that
point and exits the setting screen.
To turn on the backlight
In any mode, press B to illuminate the display for about
one second.
Data and Setting Scrolling
The D button is used to scroll through setting screen data on the display. Holding
down this button during a scroll operation scrolls through the data at high speed.
E-22
E-23
Backlight Precautions
• The illumination provided by the backlight may be hard to see when viewed under
direct sunlight.
• The backlight automatically stops illuminating whenever an alarm sounds.
• Frequent use of the backlight shortens the battery life.
Specifications
Accuracy at normal temperature: ±30 seconds a month
Timekeeping: Hour, minutes, seconds, p.m. (P), month, day, day of the week
Time system: Switchable between 12-hour and 24-hour formats
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
›
Alarms: 5 Multi-function alarms (Four one-time alarms; one snooze/one-time alarm);
Hourly Time Signal
›
Alarm type: Daily alarm, Date alarm, 1-month alarm, Monthly alarm
Countdown Timer
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Other: Auto-repeat function
Stopwatch
Measuring unit: 1/100 of a second
Measuring capacity: 23:59' 59.99''
Measuring modes: Elapsed time, split time, two finishes
E-24
E-25
Dual Time: Hour, minutes, seconds, p.m. (P)
Other: Backlight (light-emitting diode)
Battery: One lithium battery (Type: CR2025)
Approximately 10 years on type CR2025 (assuming alarm operation 10 sec./day,
and one backlight operation 1.5 sec./day)
E-26
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