Casio MA1108-EA User Manual
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MA1106-EA
Operation Guide 5160
Contents
General Guide ......................................................................................................... E-4
Timekeeping Mode ..................................................................................................E-6
About the Backlight .............................................................................................. E-11
Stopwatch Mode ................................................................................................... E-16
Recall Mode ........................................................................................................... E-22
Alarm Mode ........................................................................................................... E-24
Specifications ....................................................................................................... E-27
E-2
General Guide
• Press B to change from mode to mode.
• If you do not perform any operation for a few minutes while a setting screen (with
flashing digits) is on the display, the watch automatically exits the setting screen.
Timekeeping Mode
Stopwatch Mode
About This Manual
• Button operations are indicated using the letters shown
in the illustration.
• All of the displays in this manual show black-on-white.
• For the sake of simplicity, the sample displays in this
manual do not show the analog hands of the watch.
E-1
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-8
To set the hands ................................................................................................... E-10
To switch the auto light switch function on and off .......................................... E-13
To measure elapsed time ..................................................................................... E-18
To record a lap time .............................................................................................. E-18
To record a split time ............................................................................................E-19
To record multiple finishes .................................................................................. E-20
To set the alarm time ............................................................................................ E-24
To stop the alarm .................................................................................................. E-25
To turn a daily Alarm and the Hourly Time Signal on and off........................... E-26
To test the alarm ................................................................................................... E-26
E-3
Recall Mode
Alarm Mode
Press B.
E-4
Timekeeping Mode
• Pressing C in the Timekeeping Mode illuminates the display for about two seconds.
The backlight is disabled while a setting screen is on the display.
• When using 12-hour timekeeping, a P appears on the display for “pm” times (noon
to 11:59 pm). An “am” time (midnight to 11:59 am) is indicated when there is no P
indicator on the display. 24-hour timekeeping is being used when the 24 indicator is
on the display.
E-6
To set the time and date
1. While in the Timekeeping Mode, hold down A until the seconds digits flash on the
display, indicating the setting screen.
2. Press B to move the flashing in the sequence shown below.
Seconds
Day
3. While the seconds setting is selected (flashing), press C to reset it to 00.
• If you press C while the seconds setting is in the range of 30 to 59, the seconds are
reset to 00 and 1 is added to the minutes. If the seconds setting is in the range of 00
to 29, the minutes count is unchanged.
• While the DST∗ (Daylight Saving Time) setting is selected, press C to toggle it on
and off.
∗ Daylight Saving Time (DST), which is also sometimes called “summer time”
advances the time for one hour, as is the custom in some areas during the summer.
Remember that not all countries or even local areas use Daylight Saving Time.
E-8
DST
Month
Hour Minutes
Year 12/24
Hour
Press C.
Minute hand
Month – Da
Day of wee
Seconds
Minutes
DST indicator 2
DST indicator 1
Hour hand
Second hand
PM indicator
DST indicator 2
DST indicator 1
• DST indicator 1 flashes on the display only while the DST setting is selected on the
setting screen. It shows 0 when DST is turned off, and 1 when DST is turned on.
• DST indicator 2 also flashes on the display while the DST setting is selected on the
setting screen. In addition, it appears in the Timekeeping Mode and Alarm Mode
while DST is turned on. DST indicator 1 is not displayed in these modes while DST
is turned off.
DST OFF DST ON
E-5
E-7
E-9
Operation Guide 5160
s
• While the 12/24 setting is selected, press C to toggle it between 12-hour and 24-
hour timekeeping.
4. While any other digits are selected (flashing), press C to increase them. Holding
down C changes the digits at high speed.
5. After you make the settings you want, press A to exit the setting screen.
• The day of the week is set automatically in accordance with the date.
• The date can be set within the range of January 1, 2000 to December 31, 2099.
To set the hands
When the analog setting does not match the time shown on the display, use this
procedure to correct the analog setting.
1. When the second hand reaches the 12 o’clock position (00 seconds), pull out the
crown to stop the second hand.
2. Rotate the crown to set the hour and minutes.
3. When the seconds count on the digital display reaches 00, press in the crown to
restart the second hand.
E-10
• The backlight may not illuminate if the face of the watch is more than 15 degrees off
parallel to the left or right. Make sure that the back of your hand is parallel to the
ground.
Parallel to ground More than 15 degrees More than 15 degrees
• Static electricity or magnetic force can interfere with proper operation of the auto
light switch function. If the backlight does not illuminate, try moving the watch back
to the starting position (parallel with the ground) and then tilt it back toward you
again. If this does not work, drop your arm all the way down so it hangs at your side,
and then bring it back up again.
• Under certain conditions the backlight may not light until about one second or less
after turn the face of the watch towards you. This does not necessarily indicate
malfunction of the backlight.
E-12
• Pressing C in the Timekeeping Mode (except when making any settings)
illuminates the display, regardless of the auto light switch’s on/off setting.
Caution
• The backlight of this watch employs an electro-luminescent (EL) light, which loses
its illuminating power after very long term use.
• Frequent use of the backlight shortens the battery life.
• The watch emits an audible sound whenever the display is illuminated. This is
because the EL light vibrates slightly when lit. It does not indicate malfunction of the
watch.
Warning!
• Never try to read your watch when mountain climbing or hiking in areas that
are dark or in areas with poor footing. Doing so is dangerous and can result in
serious personal injury.
• Never try to read your watch when running where there is the danger of
accidents, especially in locations where there might be vehicular or
pedestrian traffic. Doing so is dangerous and can result in serious personal
injury.
E-14
too high too low
About the Backlight
About the Auto Light Switch Function
When the auto light switch function is turned on, the backlight automatically turns on
for two seconds under the conditions described below. Avoid wearing the watch on the
inside of your wrist. Doing so causes the auto light switch to operate when not
needed, which shortens battery life.
Moving the watch to a position that is parallel to the ground and then tilting it
towards you approximately 40 degrees causes the backlight to illuminate.
40
Parallel to ground
To switch the auto light switch function on and off
In the Timekeeping Mode (except when making any settings), hold down C for two
seconds to turn the auto light switch function on and off.
• The auto light switch indicator is shown on the display in all modes while the auto
light switch function is on.
• In order to protect against running down the battery, the auto light switch function is
automatically turned off approximately five hours after you turn it on. Repeat the
above procedure to turn the auto light switch function back on if you want.
• Never try to read your watch when riding on a bicycle or when operating a
motorcycle or any other motor vehicle. Doing so is dangerous and can result
in a traffic accident and serious personal injury.
• When you are wearing the watch, make sure that its auto light switch function
is turned off before riding on a bicycle or operating a motorcycle or any other
motor 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.
Auto light switch indicator
Hold down C.
ON OFF
°
E-11
E-13
E-15
Stopwatch Mode
The Stopwatch Mode has a capacity of 9 hours, 59 minutes, 59 seconds. You can
also record lap times and split times, which are recorded in memory for later recall in
the Recall Mode.
Lap time or Split time
Elapsed time
Minutes
Elapsed time is measured in 1/100 second units up to 59' 59" 99. After that, it is
measured in 1 second units.
E-16
To measure elapsed time
The following operation is the same regardless of whether you want to record lap
times or split times.
1. Press A to start the stopwatch.
2. Press A to stop the stopwatch.
• You can restart and stop the measurement operation whenever you want by
pressing A again.
3. Press C to clear the stopwatch to all zeros (00' 00" 00).
To record a lap time
1. In the Recall Mode, use A to select lap time as the timing operation.
• See “Recall Mode” for more information about selecting the stopwatch operation.
2. Enter the Stopwatch Mode, and then press A to start the stopwatch.
3. Press C to freeze the lap time and display the lap number for about seven seconds.
Stopwatch timing continues internally.
• The first nine lap times you record are stored in memory. The final time you record
when you press A is also stored, for a total of 10 times.
E-18
1/100 second Hours
Seconds
After the first hour
Minutes
Second
About Laps and Splits
Lap Time
A lap time is the amount of time it takes for you to get from one point to
another during a race. When running on a track, for example, you can time
how long it takes you to complete each lap.
Split Time
A split time is the time from the start of a race until the point that the split is
measured. For example, you could measure split times to determine how long
it takes for you to get from the starting line to the 5-kilometer mark, the 10kilometer mark, etc.
•
1/100 second
Seconds
Minutes
Lap number
LAP indicator
If you continue to perform the lap time operation after
there are already nine times in memory, the lap times are
shown on the display but are not stored into memory.
• You can perform up to 99 lap time operations (9 stored
+ 90 unstored) during each elapsed time operation.
• You can recall lap times using the Recall Mode.
4. Press A to stop the time measurement.
5. Press C to clear the stopwatch to all zeros.
To record a split time
1. In the Recall Mode, use A to select split time as the
timing operation.
• See “Recall Mode” for more information about selecting
the stopwatch operation.
2. Enter the Stopwatch Mode, and then press A to start
the stopwatch.
3. Press C to freeze the split time and display the split
number for about seven seconds. Stopwatch timing
continues internally.
E-17
E-19
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