Illumination; Using The Countdown Timer; Using The Alarm - Casio 5441 Operation Manual

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Using the Countdown Timer

The countdown timer can be confi gured to start at a preset time and sound an alarm when the end of the
countdown is reached.
To enter the Countdown Timer Mode
Use D to select the Countdown Timer Mode as shown on page E-8.
The mode dial hand will move to TMR and the upper display will show the current countdown time.
To specify the countdown start time
1. Enter the Countdown Timer Mode.
Countdown time
Countdown time
If a countdown is in progress (indicated by the seconds counting
(Minutes, seconds)
(Minutes, seconds)
down), press E to stop it and then press A to reset to the current
countdown start time.
If a countdown is paused, press A to reset to the current
countdown start time.
2. Hold down A until the minute setting of the current countdown start
time starts to fl ash. This is the setting screen.
3. Use E (+) and B (–) to change the minute.
To set the starting value of the countdown time to 60 minutes, set
60'00.
4. Press A to exit the setting screen.
E-40

Using the Alarm

You can set fi ve independent daily alarms.
When an alarm is turned on, an alarm will sound for about 10 seconds each day when the time in the
Timekeeping Mode reaches the preset alarm time. This is true even if the watch is not in the Timekeeping
Mode.
You can also turn on an Hourly Time Signal, which will cause the watch to beep twice every hour on the
hour.
To enter the Alarm Mode
Use D to select the Alarm Mode as shown on page E-8.
Alarm number or SIG
Alarm number or SIG
The mode dial hand will move to ALM.
The upper display will initially show the currently selected alarm
number indicator (AL1 to AL5) or the hourly time signal indicator (SIG).
Next, the indicator will alternate with the alarm time setting (in the case
of an alarm) or :00 (in the case of the hourly time signal).
Alarm time
Alarm time
(Hour : Minutes)
(Hour : Minutes)
E-42
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use E to select an alarm or the Hourly Time
Signal.
2. When the alarm or the Hourly Time Signal you want is selected, press
A to turn it on ( on ) and off (- -) .
The alarm on indicator (when any alarm is on), and the Hourly Time
Signal on indicator (when the Hourly Time Signal is on) are shown on
the lower display in all modes.
Hourly time signal
Hourly time signal
on indicator
on indicator
Alarm on indicator
Alarm on indicator
To stop the alarm
Press any button.
E-44
3. Press E to toggle the illumination duration between three seconds (LT3 displayed) and 1.5 seconds
(LT1 displayed).
4. After all of the settings are the way you want, press A to exit the setting screen.
About the Auto Light Switch
While the Auto Light Switch is enabled, illumination will turn on
whenever you position your wrist as described below in any mode.
Moving the watch to a position that is parallel to the ground and
then tilting it towards you more than 40 degrees causes
illumination to turn on.
Warning!
Always make sure you are in a safe place whenever you are reading the display of the watch
using the auto light switch. Be especially careful when running or engaged in any other activity
that can result in accident or injury. Also take care that sudden illumination by the auto light
switch does not startle or distract others around you.
When you are wearing the watch, make sure that its auto light switch 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 traffi c accident
and serious personal injury.
E-46
Operation Guide 5441
More than
More than
40°
40°
Wear the watch on the
Wear the watch on the
outside of your wrist
outside of your wrist
To perform a countdown timer operation
E
E
Start
Stop
Before starting a countdown timer operation, check to make sure that a countdown operation is not
already in progress (indicated by the seconds counting down). If it is, press E to stop it and then A
to reset to the countdown start time.
An alarm sounds for ten seconds when the end of the countdown is reached. This alarm will sound in
all modes. The countdown time is reset to its starting value automatically after the alarm sounds.
To stop the alarm
Press any button.
To set an alarm time
1. In the Alarm Mode, use E to scroll through the alarm screens in the upper display until the one you
want to change is shown.
AL1
SIG
2. Hold down A until the hour digits of the alarm setting start to fl ash in the upper display.
This is the setting screen.
3. Press D to move the fl ashing between the hour and minute settings.
4. While a setting is fl ashing, use E (+) and B (–) to change it.
When setting the alarm time using the 12-hour format, take care to
set the time correctly as a.m. (no indicator) or p.m. (P indicator).
5. Press A to exit the setting screen.
To test the alarm
In the Alarm Mode, hold down E to sound the alarm.

Illumination

The display of the watch is illuminated for easy reading in the dark. The watch's auto light switch turns on
illumination automatically when you angle the watch towards your face.
The auto light switch must be enabled (page E-47) for it to operate.
To illuminate the display manually
Press B in any mode (except when a fl ashing setting screen is
displayed) to illuminate the display.
You can use the procedure below to select either 1.5 seconds or 3
seconds as the illumination duration. When you press B, the display
will remain illuminated for about 1.5 seconds or 3 seconds, depending
on the current illumination duration setting.
The above operation illuminates the display regardless of whether the
auto light switch is enabled or disabled.
To change the illumination duration
1. In the Timekeeping Mode, hold down A until ADJ appears in the upper display.
When you release A (after ADJ appears), city code will be fl ashing in the upper display. This is
the setting mode.
2. Use D to cycle through the settings on the upper display until the current illumination duration (LT1 or
LT3) is shown.
See the sequence in step 2 of the procedure under "To change the current time and date
settings" (page E-16) for information about how to scroll through setting screens.
Note
The auto light switch is always disabled, regardless of its enabled/disabled setting, when any one of
the following conditions exists.
While an alarm is sounding
While the watch is in the Digital Compass Mode
While a hand shift operation is in progress
If you have Auto Light enabled, display illumination may be delayed if you angle the watch towards
your face while a temperature reading operation is being performed.
To enable or disable the auto light switch
In the Timekeeping Mode, hold down B for about three seconds to
toggle the auto light switch between enabled (LT shown in the lower
display) and disabled (LT not displayed).
The auto light switch enabled indicator (LT) is on the lower display in
all modes while the auto light switch is turned enabled.
The auto light switch remains enabled for about six hours. After that
disables automatically.
Auto light switch
Auto light switch
enabled indicator
enabled indicator
Illumination Precautions
Illumination may be hard to see when viewed under direct sunlight.
Illumination turns off automatically whenever an alarm sounds.
Frequent use of illumination runs down the battery.
E
E
(Resume)
(Stop)
AL2
AL3
AL5
AL4
A
Reset
E-41
E-43
E-45
E-47

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