Casio W87H-1V User manual

Module No.1536/1636/1817
GENERAL GUIDE
Operation of Module 1817 is identical to that of Modules 1536/1636. The only difference
between these modules are the Module 1817 indicators, which are shown below. All
illustrations in this User’s Guide shows Modules 1536/1636 only.
TIMEKEEPING MODE
•In the Timekeeping Mode, press CC
CC
Cto switch between
the 12-hour and 24-hour formats.
•Day of the week is displayed as follows.
SU:Sunday MO:Monday TU:Tuesday
WE:Wednesday TH:Thursday FR:Friday
SA:Saturday
About the backlight
•Holding down AA
AA
Aat any time illuminates the display.
•The backlight of this watch employs an electrolumines-
cent (EL) light, which loses its illuminating power after
very long term use.
•Frequent use of the backlight shortens the battery life.
ALARM MODE
When the Daily Alarm is switched on, the alarm sounds
for 20 seconds at the preset time each day. When the
Hourly Time Signal is switched on, the watch beeps ev-
ery hour on the hour.
To set the alarm time
1.Hold down AA
AA
Awhile in the Alarm Mode until the hour
digits start to flash on the display. The hour digits flash
because they are
selected .
2.Press AA
AA
Ato change the selection in the following se-
quence.
•Once you reach the normal Alarm Mode, you have to hold down AA
AA
Aagain until the
hour digits start to flash.
3.Press CC
CC
Cto increase the selected digits. Holding down CC
CC
Cchanges the number 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 or afternoon (PM).
4.After you set the alarm time, press AA
AA
Ato return to the Alarm Mode. At this time the
Daily Alarm is switched on automatically.
To stop the alarm
Press AA
AA
Ato stop the alarm after it starts to sound.
To switch the Daily Alarm and Hourly Time Signal on and off
Press CC
CC
Cwhile in the Alarm Mode to change the status of the Daily Alarm and Hourly
Time Signal in the following sequence.
To test the alarm
Hold down CC
CC
Cwhile in the Alarm Mode to sound the alarm.
Alarm on
indicator Mode
indicator
Hourly time signal on
indicator
Hour Minutes
Hour
Normal Alarm Mode (No digit flashes)
Minutes
Hourly Time
Signal only
Daily
Alarm only
Both offBoth on
(a) Elapsed time measurement
Start Stop Re-start Stop Clear
Start Split Split release Stop Clear
Start Split Stop Split release Clear
(b) Split time measurement
(c) Split time and 1st-2nd place times
First runner
finishes. Second runner finishes.
Record time of
first runner.
Record time of
second runner.
TIME SETTING MODE
To set the time and date
1.Use BB
BB
Bto enter the Time Setting Mode.
•The seconds digits flash because they are
selected.
2.Press AA
AA
Ato change the selection in the following se-
quence.
3.While the seconds digits are selected (flashing), press CC
CC
Cto reset the seconds to
“00”. If you press CC
CC
Cwhile the seconds count is in the range of 30 to 59, the sec-
onds are reset to “00” and 1 is added to the minutes. If the seconds count is in the
range of 00 to 29, the minutes count is unchanged.
4.While any other digits (besides seconds) are selected (flashing), press CC
CC
Cto in-
crease the number. While the day of the week is selected, pressing CC
CC
Cadvances
to the next day. Holding down CC
CC
Cchanges the current selection at high speed.
5.After you set the time and date, press BB
BB
Bto return to the Timekeeping 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 Timekeeping Mode automatically.
Seconds Hour Minutes
Day of Week MonthDate
PM indicator
24-hour indicator Alarm on indicator Split indicator Signal on indicator
Timekeeping Mode Alarm Mode Stopwatch Mode Time Setting Mode
Date
Hour
Minutes
Seconds
PM indicator
Day of the week
1/100 second
Seconds
Mode Indicator
Split time indicator
Minutes
Seconds
Hour Minutes
PM indicator
Day of the week
Date
•Press BB
BB
Bto change from mode to mode.
•After you perform an operation in any mode, pressing BB
BB
Breturns to the Timekeeping
Mode.
STOPWATCH MODE
The Stopwatch Mode lets you measure
elapsed time, split times, and two finishes.
The range of the stopwatch is 59 minutes,
59.99 seconds.