CASIO AQ160WD-1B
Owner's Manual

Operation Guide 3319/3781
Alarms
You can set five independent Daily Alarms. When an alarm is turned on, the alarm tone sounds when the alarm time is reached. One of the alarms is a snooze alarm, while the other four are one-time alarms. You can turn on an Hourly Time Signal that causes the watch to beep twice every hour on the hour. � There are six screens in the Alarm Mode. Four are for one-time alarms (indicated by numbers from
AL1through AL4), one is for a snooze alarm (indicated by SNZ), and one is for the Hourly Time Signal (indicated by SIG).

Display Illumination
Display illumination uses an EL (electro-luminescent) panel that causes the entire display to glow for easy reading in the dark. The watch�s auto light switch automatically turns on display illumination when you angle the watch for reading towards your face. � The auto light switch must be turned on (indicated by the auto light switch indicator) for it to operate. � See �Illumination Precautions� for more important information.
Auto light switch indicator

Module 3319 Alarm number On/Off status Alarm time (Hour Minutes)

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

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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.

To illuminate the display In any mode (except when a setting screen is on the display), press B to turn on illumination. � The above operation turns on illumination regardless of the current auto light switch setting. � You can use the procedure below to select either one second or three seconds as the illumination duration. When you press B, the illumination will remain on for about one second or three seconds, depending on the current illumination duration setting. To specify the illumination duration 1. In the Timekeeping Mode, hold down A until the seconds start to flash, which indicates the setting screen. 2. Press C nine times so the illumination duration setting screen is on the display. 3. While the illumination duration setting is flashing, press D to toggle the setting between one second ( ) and three seconds ( ). 4. Press A to exit the setting screen.

� To set a one-time alarm, display one of the screens indicated by an alarm number from AL1through AL4. To set the snooze alarm, display the screen indicated by SNZ. � The snooze alarm repeats every five minutes. 2. After you select an alarm, hold down A until the hour setting of the alarm time starts to flash, which indicates the setting screen. � This operation automatically turns on the alarm. 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.

About the Auto Light Switch
While the auto light switch is enabled, illumination turns on for about one second or three 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 illumination to turn on.

Alarm Operation
The alarm sounds at the preset time for about 20 seconds, regardless of the mode the watch is in. In the case of the snooze alarm, the alarm operation is performed a total of seven times, every five minutes, or until you turn the alarm off . � Alarm and Hourly Time Signal operations are performed in accordance with the Timekeeping Mode digital time. � To stop the alarm tone after it starts to sound, press any button. � Performing any one of the following operations during a 5-minute interval between snooze alarms cancels the current snooze alarm operation. Displaying the Timekeeping Mode setting screen Displaying the SNZ setting screen

Parallel to ground

More than 40°

To test the alarm In the Alarm Mode, hold down D to sound the alarm. To turn an alarm on and off 1. In the Alarm Mode, use D to select an alarm. 2. Press A to toggle it on (ON displayed) and off (OF displayed). � Turning on a one-time alarm (AL1through AL4) displays the alarm on indicator on its Alarm Mode screen. � Turning on the snooze alarm (SNZ) displays the alarm Module 3319 on indicator and snooze alarm indicator on the Alarm Mode snooze alarm screen, and in all other modes. On/Off status � In all modes (except for the Alarm Mode), the alarm on Snooze alarm indicator indicator is shown for any alarm that is currently turned Alarm on indicator on. � The alarm on indicator flashes while the alarm is sounding. � The snooze alarm indicator flashes during the 5-minute intervals between alarms.
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Warning! � Always make sure you are in a safe place whenever you are reading 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, hold down B for about two seconds to toggle the auto light switch on (auto light switch indicator displayed) or off (auto light switch indicator not displayed). � The auto light switch indicator is on the display in all modes while the auto light switch is turned on. � In order to protect against running down the battery, the auto light switch automatically turns off approximately six hours after you turn it on.

Reference
This section contains more detailed and technical information about watch operation. It also contains important precautions and notes about the various features and functions of this watch.

To turn the Hourly Time Signal on and off 1. In the Alarm Mode, use D to select the Hourly Time Signal (SIG).
2. Press A to toggle it on (ON displayed) and off (OF displayed). � The Hourly Time Signal on indicator is shown on the display on the Alarm Mode Hourly Time Signal screen, and in all other modes while the Hourly Time Signal is turned on.

Graphic Area
The following describes the information indicated by the graphic area in each mode. [Module 3319]
Mode Timekeeping World Time Countdown Timer Stopwatch Alarm Hand Setting
Graphic area

Graphic Area Timekeeping Mode seconds Timekeeping Mode seconds Countdown time minutes Stopwatch time seconds No indication No indication Graphic Area A Timekeeping Mode seconds Timekeeping Mode seconds Countdown time minutes Stopwatch time seconds No indication No indication Graphic Area B Timekeeping Mode minutes Timekeeping Mode minutes Countdown time seconds Stopwatch time 1/10 seconds No indication No indication

Module 3319 On/Off status Hourly time signal on indicator

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Graphic area A

Mode Timekeeping World Time

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Countdown Timer Stopwatch Graphic area B Alarm Hand Setting

Auto Return Feature
If you leave a screen with flashing digits on the display for two or three minutes without performing any operation, the watch automatically exits the setting screen.

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