CASIO W68HD-1
Instrukcja Obsługi

Module No.1536/1636/1817
GENERAL GUIDE
� Press B to change from mode to mode. � After you perform an operation in any mode, pressing B returns to the Timekeeping Mode.
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.

PM indicator 24-hour indicator Alarm on indicator

Split indicator Signal on indicator

Timekeeping Mode

Alarm Mode

Stopwatch Mode

Time Setting Mode

TIMEKEEPING MODE
Day of the week PM indicator Date

STOPWATCH MODE
Split time indicator Mode Indicator

� In the Timekeeping Mode, press C to 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

The Stopwatch Mode lets you measure elapsed time, split times, and two finishes. The range of the stopwatch is 59 minutes, 59.99 seconds.

Hour

� Holding down A at any time illuminates the display. � The backlight of this watch employs an electroluminescent (EL) light, which loses its illuminating power after term use. Seconds � very long use of the backlight shortens the battery life. Frequent
Minutes

About the backlight

Minutes Seconds

1/100 second

(a) Elapsed time measurement

ALARM MODE
Hourly time signal on indicator Alarm on indicator Mode indicator

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 every hour on the hour.

Start

Stop

Re-start

Stop

Clear

(b) Split time measurement

To set the alarm time
1. Hold down A while in the Alarm Mode until the hour digits start to flash on the display. The hour digits flash because they are selected. 2. Press A to change the selection in the following sequence.
Hour Minutes

Start

Split

Split release

Stop

Clear

(c) Split time and 1st-2nd place times Start Split
First runner finishes.

Stop
Second runner finishes. Record time of first runner.

Split release
Record time of second runner.

Clear

Hour

Minutes

Normal Alarm Mode (No digit flashes) � Once you reach the normal Alarm Mode, you have to hold down A again until the hour digits start to flash. 3. Press C to increase the selected digits. Holding down C changes 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 A to return to the Alarm Mode. At this time the Daily Alarm is switched on automatically.

TIME SETTING MODE
Day of the week PM indicator Date

To set the time and date
1. Use B to enter the Time Setting Mode. � The seconds digits flash because they are selected. 2. Press A to change the selection in the following sequence.

Seconds Day of Week
Hour Minutes Seconds

Hour Date

Minutes Month

To stop the alarm
Press A to stop the alarm after it starts to sound.

To switch the Daily Alarm and Hourly Time Signal on and off
Press C while in the Alarm Mode to change the status of the Daily Alarm and Hourly Time Signal in the following sequence.

Both on

Both off

Daily Alarm only

Hourly Time Signal only

3. While the seconds digits are selected (flashing), press C to reset the seconds to �00�. If you press C while the seconds count is in the range of 30 to 59, the seconds 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 C to increase the number. While the day of the week is selected, pressing C advances to the next day. Holding down C changes the current selection at high speed. 5. After you set the time and date, press B to 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.

To test the alarm C Hold down C while in the Alarm Mode to sound the alarm.