Casio 1826 Watch User Manual

2. OPERATION CHART: QW-1815/1835
GENERAL GUIDE
• Press C to change from mode to mode.
• In any mode (except when making countdown alarm settings) press D to illuminate the digital display.
The operational procedures for Module 1815, 1835 and 1826 are identical. All of the illustrations in this manual show Module 1826.
Stopwatch Mode
Timekeeping Mode
[Module 1815]
Caution
• The backlight of this watch employs an electro-luminescent (EL) light, which loses its
TIMEKEEPING MODE
Day
Day of
week Month
Alarm Mode
[Module 1826]
[Module 1835]
To set the time and date
Countdown
Alarm Mode
illuminating power after very long term use.
• Frequent use of the backligfht shortens the battery life.
• The watch emits an audible sound whenever the display is illuminated. This is because the
1. Hold down A while in the Timekeeping Mode until the
seconds digits flash on the display.
2. Press C to change the selection (flashing) in the
following sequence.
Seconds
Hour
Minutes
Day
Month
Year
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.
12/24Hour
Format
• Never try to read your watch when running on a roadside or in any other location
where there might be vehicular or pedestrian traffic. Doing so is dangerous and can
result in serious personal injury.
3. While the seconds setting is selected (flashing), press
E to reset it to 00. If you press E 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
Hour Seconds
minutes count is unchanged.
Minutes
PM
4. While any other setting (beside seconds) is selected
indicator
(flashing), press E to increase it or B to decrease it.
While the 12/24-hour format setting is selected, press
E to toggle it between 12 and 24.
• Except for the seconds or 12/24-hour setting, holding down a button changes the
setting at high speed.
• When the 12-hour format is selected, the indicator P appears on the display to
indicate "P.M." times. There is no indicator for "A.M." times.
5. After you set the time and date, press A to return to the Timekeeping Mode.
• The day of the week is automatically set in accordance with the date.
• The date can be set within the range of January 1, 1995 to December 31, 2039.
• If you do not operate any button for a few minutes while a setting is flashing, the
flashing stops and the watch goes back to the Timekeeping Mode automatically.
• 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.
About the EL Alarm
While the EL alarm feature is turned on, the watch's EL backlight flashes along with
the audible tone when a daily alarm time is reached, when the hourly time signal
sounds, or when the end of a countdown alarm operation is reached. Pressing D
while the EL alarm feature is turned on causes the display to remain illuminated for
five seconds, instead of the normal two seconds when the EL alarm is turned off.
To turn the EL Alarm feature on and off
• In the Timekeeping Mode, hold down B until the EL Alarm indicator appears on (EL
alarm on) or disappears from (EL alarm off) the display.
EL Alarm indicator
ABOUT THE BACKLIGHT
Hold down B
?
About the Auto Light Switch Function
ON
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.
D
STOPWATCH MODE
Mode indicator
1/100
seconds
Parallel to
ground
?
OFF
D
The stopwatch Mode lets you measure elapsed time,
split times, and two finishes. The range of the stopwatch
is 23 hours, 59 minutes, 59.99 seconds. You can use the
EL backlight at any time while the stopwatch is
operating.
40°
?
• 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
too high
Hours
Seconds
Minutes
Elapsed time measurement
More than 15 degrees
too low
E
E
E
E
B
Start
Stop
Re-start
Stop
Clear
Split time measurement
• Static electricity or magnetic force can interfere with proper operation of the auto
backlight function. If the auto 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.
In the Timekeeping Mode, hold down E for one or two seconds to turn the auto light
switch function on and off.
Auto light switch
indicator
? 5850
10
ON
Hold down E
?
TR
B
B
E
B
Split
Split release
Stop
Clear
Split time and 1st-2nd place times
To switch the auto light switch function on and off
?
E
Start
0
?
OFF
D indicator is shown on the display in allD
• The auto light switch
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 three hours after you turn it on. Repeat the
above procedure to turn the auto light switch function back on if you want.
• Pressing D at any time illuminates the display, regardless of the auto light switch's
on/off setting.
—2—
E
B
E
B
B
Start
Split
First runner
finishes.
Stop
Second runner
finishes.
Record time of
first runner.
Split release
Record time of
second runner.
Clear
COUNTDOWN ALARM MODE
To turn the daily alarm and hourly time signal on and off
Press B while in the Alarm Mode to change the status of the daily alarm and hourly
time signal in the following sequence.
[Module 1826]
The countdown alarm can be set within a range of 1
1/10
second to 24 hours. When the countdown reaches zero,
seconds an alarm sounds for 10 seconds or until you press any
button.
Mode indicator
Both ON
1. Hold down A while in the Countdown Alarm Mode.
The hour setting flashes on the display because it is
selected.
2. Press C to change the selection in the following
sequence.
?
Hours
Seconds
Minutes
Hour
Minutes
To test the alarm sound
To turn auto repeat timing on and off
1. Hold down A while in the Countdown Alarm Mode until the hour setting flashes.
2. Press D to turn auto repeat on and off.
Auto repeat indicator
?
?
ON
3. Press A to return to the Countdown Alarm Mode.
• When the end of the countdown is reached while auto repeat is on, the alarm
sounds, but the countdown restarts from the beginning without stopping. You can
stop the countdown by pressing E and manually reset to the start time by pressing
B.
• When the starting value of the countdown time is set at 10 seconds or less and auto
repeat is turned on, the countdown alarm tone sounds for only one second instead
of the normal 10 seconds. If the Flash Alarm is turned on, the EL backlight does not
flash under the above conditions.
ALARM MODE
When the Daily Alarm is turned on, the alarm sounds for 20 seconds at the preset
time each day. Press any button to stop the alarm after it starts to sound. When the
Hourly Time Signal is on, the watch beeps every hour on the hour.
Mode indicator
Hourly time
signal on
indicator
?
Module 1815, 1835
Hourly time signal
on indicator
Alarm on
indicator
Hours
Minutes
To set the alarm time
1. Hold down A until the hour setting starts to flash on the display. The hour setting
flashes because it is selected.
• This operation automatically turns on the Daily Alarm.
2. Press C to change the selection in the following sequence.
Hour
Both OFF
Daily Alarm
Only
Hourly Time
Signal Only
Hold down E while in the Alarm Mode to sound the alarm.
1. Press E while in the Countdown Alarm Mode to start the countdown alarm.
2. Press E again to stop the countdown alarm.
• You can resume a paused countdown alarm operation by pressing E.
3. Stop the countdown alarm and then press B to reset the countdown time to its
starting value.
• When the end of the countdown is reached and auto repeat timing is off, the alarm
sounds for 10 seconds or until you stop the alarm by pressing any button.
Countdown timing stops and the countdown time is automatically reset to its starting
value after the alarm stops.
Alarm on
indicator
Hourly Time
Signal Only
• The daily alarm on indicator and the Hourly Time Signal on indicator are shown on
the display in all modes while these functions are turned on.
To use the countdown alarm
OFF
Daily Alarm
Only
[Module 1815, 1835]
Both ON
Press D
SIG
Both OFF
Seconds
3. Press E to increase the selected setting or B to decrease it. Holding down either
button changes the setting at high speed.
• To set the starting value of the countdown time to 24 hours, set 0:00' 00".
4. After you set the countdown start time, press A to return to the Countdown Alarm
Mode.
• If you do not operate any button for a few minutes while a setting is flashing, the
flashing stops and the watch goes back to the Countdown Alarm Mode
automatically.
?
ALM
ALM SIG
To set the countdown start time
Minutes
3. While the hour or minutes setting is selected (flashing) press E to increase it or B
to decrease it. Holding down either button changes the current setting 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 morning (no indicator) or afternoon (P).
4. After you set the alarm time, press A to return to the Alarm Mode.
• If you do not operate any button for a few minutes while a setting is flashing, the
flashing stops and the watch goes back to the Alarm Mode automatically.
—3—