Stopwatch; Alarms; Backlight; Alarm Operation - Casio 2782 Operation Manual

To use the countdown timer
Press D while in the Countdown Timer Mode to start the countdown timer.
• When the countdown reaches zero, the alarm sounds for 10 seconds or
until you stop it by pressing any button.
• Press D while a countdown operation is in progress to pause it. Press D
again to resume the countdown.
• The countdown timer operation continues even if you exit the Countdown
Timer Mode.
• To completely stop a countdown operation, first pause it (by pressing D),
and then press B. This returns the countdown time to its starting value.
• If the countdown timer is running while you are using the Depth Gauge
Mode while diving, the alarm will sound when the end of the countdown is
reached. However, the following countdown timer beeper operations are
disabled during a Depth Gauge Mode dive.
Auto-repeat timer alarm
Progress beeper
• Frequent use of auto-repeat and the alarm can run down battery power.

Stopwatch

The stopwatch lets you measure elapsed time,
1/100 second split times, and two finishes.
• The display range of the stopwatch is 23 hours,
59 minutes, 59.99 seconds.
• The stopwatch continues to run, restarting from
zero after it reaches its limit, until you stop it.
• The stopwatch measurement operation
continues even if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a split time is
frozen on the display clears the split time and
returns to elapsed time measurement.
Hours Minutes
• All of the operations in this section are
Seconds
performed in the Stopwatch Mode, which you
enter by pressing C.
To measure times with the stopwatch
Elapsed Time
D D D
J
Start Stop Re-start
Split Time
D B B
J J
Start Split Split release
(SPL displayed)
Two Finishes
D B D
J J
Start Split Stop
First runner Second runner
finishes. finishes.
Display time
of first runner.

Alarms

You can set five independent daily alarms. When
Hourly time signal
an alarm is turned on, the alarm tone sounds
on indicator
when the alarm time is reached.
Alarm on indicator You can also turn on an Hourly Time Signal that
causes the watch to beep twice every hour on the
hour.
• The alarm number (
alarm screen.
when the Hourly Time Signal screen is on the
display.
• All of the operations in this section are
performed in the Alarm Mode, which you enter
Alarm Time
by pressing C.
(Hour : Minutes)
Alarm number
To set an alarm time
1. In the Alarm Mode, use D to scroll through
the alarm screens until the one whose time
you want to set is displayed.
Alarm1
Hourly Time
2. Hold down A until the hour digits of the alarm
time start to flash, which indicates the setting
screen.
• This automatically turns on the alarm.
Operation Guide 2782
D B
J J
Stop Clear
D B
J J
Stop Clear
B B
J J
Split release Clear
Display time of
second runner.
1 5
through ) indicates an
:00 is shown for the alarm time
Alarm 2
Alarm 3
Alarm 4
Alarm 5
Signal
3. Press C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) 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.

Alarm Operation

The alarm sounds at the preset time for about 10 seconds (in all modes), or
until you stop it by pressing any button.
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use D to select an alarm or the Hourly Time Signal.
2. When the alarm or the Hourly Time Signal you want to is selected, press
B to turn it on and off.
Indicates alarm is ON.
Indicates Hourly Time Signal is ON.
• The alarm on indicator ( ) and the Hourly Time Signal on indicator ( )
are shown on the display in all modes while these functions are turned on.
• If any alarm is on, the alarm on indicator is shown on the display in all
modes.

Backlight

The backlight uses an EL (electro-luminescent)
Auto light switch on
panel that causes the entire display to glow for
indicator
easy reading in the dark. The watch's auto light
switch automatically turns on the backlight when
you angle the watch towards your face.
• The auto light switch must be turned on
(indicated by the auto light switch on indicator)
for it to operate.
• See "Backlight Precautions" for other important
information about using the backlight.
To turn on the backlight manually
Press L in any mode to illuminate the display for about two seconds.
• The above operation turns on the backlight regardless of the current auto
light switch setting.
About the Auto Light Switch
Turning on the auto light switch causes the backlight to turn on for about two
seconds, 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 the backlight to turn on.
• Wear the watch on the outside of your left wrist.
Parallel to
ground
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 surprise 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 traffic
accident and serious personal injury.
To turn the auto light switch on and off
In any mode except while a setting is flashing on the display, hold down L for
about two seconds to toggle the auto light switch on (
not displayed).
• The auto light switch on indicator ( ) is on the display in all modes while
the auto light switch is turned on.
• The auto light switch will remain on for a maximum of about six hours. After
that, the auto light switch will turn off automatically in order to conserve
battery power.
• The auto light switch is always disabled, regardless of its on/off setting,
while the Hand Setting Mode setting screen is on the display.
• The backlight may not light right away if you raise the watch to your face
while a barometric pressure or altitude measurement operation is in
progress.
More than
40 °
displayed) or off (
5