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Casio 1909 Quick Start Manual page 2

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About the Auto-Start function
With the Auto-Start function, the watch performs a 5-second countdown. When the
countdown reaches zero, stopwatch operation starts automatically. During the final
three seconds of the countdown, a beeper sounds with each second.
To use the Auto-Start function
1. While the stopwatch display is showing all zeros
(00'00"00 ) in the Stopwatch Mode, press D D D D D .
• At this time the auto-start indicator appears on the dis-
play to indicate that auto-start is on. Press D D D D D again to
turn auto-start off (indicated when the auto-start indica-
tor is not on the display).
2. Press E E E E E to start the countdown.
• Pressing E E E E E also causes the countdown time to appear
on the display.
Auto-start indicator
• When the countdown reaches zero, a tone sounds, the backlight illuminates the
display, and a stopwatch timing operation starts automatically.
• To stop the Auto-Start countdown and return to the all-zeros display, press D D D D D .
• Pressing E E E E E while the Auto-Start countdown is in progress immediately start the
stopwatch.
ALARM MODE
Mode indicator – Alarm No.
Five independent Daily Alarms can be set. Each alarm
lets you set the hour and minutes. When the Daily Alarm
Graphic area
is turned on, the alarm sounds for 20 seconds at the pre-
set time each day. Press any button to stop the alarm
after it starts to sound.
When the Hourly Time Signal is turned on, the watch beeps
every hour on the hour.
• In the Alarm Mode (including alarm time setting), press
E E E E E to illuminate the display for about two seconds.
• The graphic area in the Alarm Mode shows the current
on/off status of each of the five alarms.
Hour : Minutes
Alarm on indicator
AM indicator
To set an alarm time
1. Press D D D D D while in the Alarm Mode to select the alarm whose time you want to set.
Alarm 1
Alarm 2
Hourly Time Signal
2. After you select an alarm, hold down A A A A A until the hour digits start to flash on the
display. The hour digits flash because they are selected .
• This operation automatically turns on the alarm.
3. Press C C C C C to change the selection in the following sequence.
Hour
4. Press D D D D D to increase the selected digits. Holding down D D D D D changes the selection at
high speed.
• The format (12-hour and 24-hour) of the alarm time matches the format you select
for normal timekeeping.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (A indicator) or p.m. (P indicator).
5. After you set the alarm time, press A A A A A to return to the Alarm Mode.
• If you do not operate any button for a few minutes while a selection is flashing, the
flashing stops and the watch goes back to the Alarm Mode automatically.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, press D D D D D to select an alarm or
Graphic area
the Hourly Time Signal.
2. Press B B B B B to toggle the select item on and off.
• The indicators ALM and
whenever an alarm is turned on.
• The indicators SIG and
whenever the Hourly Time Signal is turned on.
• Indicators in the graphic area of the Alarm Mode
show which alarms are turned on.
• In other modes (besides the Alarm Mode), the ALM
Alarm on indicator
indicator remains on the display as long as at least
Alarm 5 (off)
Alarm 2 (off)
one of the alarms is on, while the SIG indicator re-
mains on the display while the Hourly Time Signal
is on.
Alarm 1 (on)
Alarm 4 (off)
To test the alarm
Alarm 3 (on)
Hold down B B B B B while in the Alarm Mode to sound the
alarm.
Alarm 3
Alarm 4
Alarm 5
Minutes
appear on the display
appear on the display
1909-2

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