Casio AQW100-1AV, AQW1001AV Stopwatch, Countdown Timer, Moon/Tide Data, Setting the Analog Time, Stop, Stop, Stop, Stop, 0:00, Start, Clear, Start, Split, Clear, Start, Split, Clear

Operation Guide 5028

4.When the setting you want to change is flashing, use Dand Bto change it as described below.

Setting	Screen	Button Operations
UTC Differential		Use D(+) and B(–) to change the setting.
		• You can specify a value in the range of –12.0 to +14.0,
		in 0.5-hour units.
Longitude Value		Use D(+) and B(–) to change the setting.
		• You can specify a value in the range of 0° to 180°, in
		1-degree units.
East Longitude/		Use Dto switch between east longitude (E) and west
West Longitude		longitude ( ).
Lunitidal Interval		Use D(+) and B(–) to change the setting.
Hours, Minutes

•When the digital time DST setting is on, the UTC differential can be set in a range of –11.0 to +15.0 in 0.5-hour units.

5.Press A to exit the setting screen.

To toggle between 12-hour and 24-hour timekeeping

In the Timekeeping Mode, press Dto toggle between 12-hour timekeeping and 24-hour timekeeping.

To specify a date	1. In the Moon/Tide Data Mode, hold down Auntil the
Month – Day
	year setting starts to flash, which indicates the setting
	screen.
	2. Press C to move the flashing in the sequence shown
	below to select the other settings.

Year Month Day

Year

3.While a setting is flashing, use D(+) or B(–) to change it.

• You can specify a date in the range of January 1, 2000 to December 31, 2099.

4.Press Ato exit the setting screen.

5.Use Ato display either the tide data screen or the Moon data screen.

Stopwatch

•With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for times in the range of noon to 11:59 p.m. and the A (AM) indicator appears to the left of the hour digits for times in the range of midnight to 11:59 a.m.

•With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without any indicator.

•The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is applied in all other modes.

•The A and P indicators are not displayed with the Timekeeping Mode time on the Countdown Timer Mode and Dual Time Mode screens.

Setting the Analog Time

Perform the procedure below when the time indicated by the analog hands does not match the time of the digital display.

1/100 second

Seconds

Minutes

Hours

The stopwatch lets you measure elapsed time, 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.

•All of the operations in this section are performed in the Stopwatch Mode, which you enter by pressing C.

To adjust the analog time

1.In the Timekeeping Mode, press Csix times to enter the Hand Setting Mode.

2.Hold down Auntil the current digital time starts to flash, which indicates the analog setting mode.

3. Press Dto advance the analog time setting by 20 seconds.

• Holding down Dadvances the analog time setting at high speed.

•If you need to advance the analog time setting a long way, hold down Duntil the time starts advancing at high speed, and then press B. This locks the high- speed hand movement, so you can release the two buttons. High-speed hand movement continues until you press any button. It will also stop automatically after the time advances 12 hours or if an alarm (multi-function alarm, Hourly Time Signal, or countdown beeper) starts to sound.

4.Press A to exit the setting mode.

• The watch will automatically adjust the minute hand slightly to match its internal

second count when you exit the setting mode.

To measure times with the stopwatchElapsed Time

Start	Stop	Re-start	Stop	Clear
Split Time
Start	Split	Split release	Stop	Clear
	(SPL displayed)
Two Finishes
Start	Split	Stop	Split release	Clear
	First runner	Second runner	Display time of
	finishes.	finishes.	second runner.
	Display time of
	first runner.

Countdown Timer

• To return to the Timekeeping Mode, press C.

Moon/Tide Data

Timekeeping Mode time

You can set the countdown timer within a range of one minute to 24 hours. An alarm sounds when the countdown reaches zero.

• You can also select auto-repeat, which automatically

restarts the countdown from the original value you set

whenever zero is reached.

Moon phase indicator Tide graph

Moon/tide data lets you view the Moon age and Moon phase for a particular date, and tidal movements for a particular date and time at your Home Site.

• If you suspect that the current Moon/tide data is wrong

for some reason, check the current Timekeeping Mode

settings (time, date, and Home Site), and correct them if

required.

• See “Moon Phase Indicator” for information about the

Seconds

Minutes

Hours

• All of the operations is this section are performed in the

Countdown Timer Mode, which you can enter using C.

Time

Year Month – Day

Moon phase indicator and “Tide Graph” for information

about the tide graph.

• All of the operations in this section are performed in the

Moon/Tide Data Mode, which you enter by pressing C.

To use the countdown timer

Press Dwhile in the Countdown Timer Mode to start the countdown timer.

• When the end of the countdown is reached and auto-repeat is turned off, the alarm

sounds for 10 seconds or until you stop it by pressing any button. The countdown

time is automatically reset to its starting value after the alarm stops.

• When auto-repeat is turned on, the countdown will restart automatically without

Tide Data ScreenTo view the current Moon/Tide Data Mode data

In the Moon/Tide Data Mode, press A to toggle between the tide data screen and the Moon data screen.

•The tide graph shows the tide for the currently displayed time. The initial tide data screen shows the level for 6:00 a.m. The Moon data screen shows the Moon age and Moon phase for the current date.

Tide Data Screen		Moon Data Screen
Tide graph		Moon phase indicator
	Year Month – Day	Year Month – Day
	Press .
	Time	Moon age

•While the tide data screen is displayed, press D to advance to the next hour.

•While the Moon data screen is displayed, press Dto advance to the next day.

•You can also specify a particular date (year, month, day) to view its tide data and Moon data. See “To specify a date” for more information.

•When you enter the Moon/Tide Data Mode, the screen (tide data or Moon data) that was displayed the last time you exited the mode appears first.

pausing when it reaches zero. The alarm sounds in order to signal when the

countdown reaches zero.

• The countdown timer measurement operation continues even if you exit the

Countdown Timer Mode.

• Press Dwhile a countdown operation is in progress to pause it. Press Dagain to

resume the countdown.

• To completely stop a countdown operation, first pause it (by pressing D), and then

press A. This returns the countdown time to its starting value.

To set up the countdown timer

1.While the countdown start time is on the display in the Countdown Timer Mode, hold down A until the hour

setting of the countdown start time starts to flash, which indicates the setting screen.

•If the countdown start time is not displayed, use the

procedure under “To use the countdown timer” to display it.

2.Press C to move the flashing in the sequence shown below to select other settings.

Hours Minutes Auto-repeat

3.While a setting is flashing, use D and B to change it as described below.

Screen	To do this:	Do this:
0:00	Change the hours or minutes	Use D(+) and B(–).
	Toggle auto-repeat on (ON) and off (OF)	Press D.

• To specify a countdown start time of 24 hours, set 0:00.

4.Press Ato exit the setting screen.

•The auto-repeat on indicator () is displayed on the Countdown Timer Mode screen while this function is turned on.

•Frequent use of auto-repeat and the alarm can run down batteries power.

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