CASIO GL161DI-1V
Owner's Manual

USER�S GUIDE 2463
Stopwatch
Timekeeping Mode time

Minutes Hours

The stopwatch lets you measure elapsed time, split times, and two finishes. It also includes Auto-Start. Seconds �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. �Each press of A while the Stopwatch Mode display shows any time other than all zeros toggles the upper part of the display between the stopwatch time and the Timekeeping Mode time. �All of the operations in this section are 1/100 second performed in the Stopwatch Mode, which you enter by pressing C.

To set an alarm time

1.In the Alarm Mode, press D to scroll through the alarm screens until the one whose time you want to set is displayed.
AL1 AL2 SNZ SIG

Alarm on indicator

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 in the sequence shown below to select other settings.

Hour

Minutes

Month

Day

To measure times with the stopwatch

Elapsed Time L L Start Split Time L Start Two Finishes L Start B Split B Split (SPL displayed) Stop

L Re-start

L Stop Clear

B

4. While a setting is flashing, use D (+) and B (�) to change it. � To set an alarm that does not include a month (Daily alarm, Monthly alarm), set xx for the month. Use D and B until the xx mark appears (between 12 and 1) while month setting is flashing. � To set an alarm that does not include a day (Daily alarm, 1-Month alarm), set xx for the day. Use D and B until the xx mark appears (between 31 and 1) while the day setting is flashing. � 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. Alarm Operation The backgrounds of the upper and lower part of the display flash starting from the point the Timekeeping Mode time reaches one hour before an alarm time. This pre-alarm feature lets you know that an alarm time is about to be reached. When the actual alarm time is reached, an alarm tone sounds for 20 seconds. In the case of the snooze alarm, the alarm repeats up to seven times every five minutes until the alarm is turned off. � Pressing any button stops the pre-alarm operation or the alarm tone operation. � The pre-alarm feature works in the Timekeeping Mode only.
To test the alarm

B Split release

L Stop Clear

B

L Stop

B Split release Clear

B

In the Alarm Mode, hold down D to sound the alarm.
To turn the one-time alarm and the Hourly Time Signal on and off

First runner Second runner finishes. finishes. Display time of first runner.

Display time of second runner.

About the Auto-Start function With Auto-Start, the watch performs a 5-second countdown, and stopwatch operation starts automatically when the countdown reaches zero. During the final three seconds of the countdown, a beeper sounds with each second.
To use the Auto-Start function

1. In the Alarm Mode, press D to select a one-time alarm (AL1 or AL2) or the Hourly Time Signal (SIG). 2. When the alarm or the Hourly Time Signal you want to is selected, press B to turn it on and off. Indicates alarm is on. Indicates Hourly Time Signal is on. � The alarm on indicator ( ) and the Hourly Time Signal on indicator ( ) are shown on the display in all modes while these functions are turned on. � If any alarm is on, the alarm on indicator is shown on the display when you change to another mode.
To turn the snooze alarm on and off

1.While the stopwatch display is showing all zeros (00'00"00) in the Stopwatch Mode, press A. �This displays a 5-second countdown screen. �To return to the all zeros screen, press A again. 2.Press L to start the countdown. �When the countdown reaches zero, a tone sounds and a stopwatch timing operation starts automatically. �To stop the Auto-Start countdown and return to the all-zeros display, press A. �Pressing L while the Auto-Start countdown is in progress immediately starts the stopwatch.

1. In the Alarm Mode, press D to select the snooze alarm (SNZ). 2. Press B to turn it on ( displayed) and off ( not displayed). � The snooze alarm on indicator ( ) is shown on the display in all modes while this function is turned on.

Backlight
The backlight 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 the backlight when you angle the watch towards your face. �The auto light switch must be turned on (indicated by the auto light switch on indicator) for it to operate. �See �Backlight Precautions� for other important information about using the backlight.
Auto light switch on indicator

Alarms
Alarm date (Month � Day)

Alarm number Alarm time (Hour : Minutes)

You can set up to three independent multifunction alarms with hour, minutes, month, and day. When an alarm is turned on, the alarm tone sounds when the alarm time is reached. You can select either a one-time alarm or snooze alarm. You can also turn on an Hourly Time Signal that causes the watch to beep twice every hour on the hour. �The alarm number of the display indicates the alarm type, as described below. AL1 and AL2: One-time alarm screen SNZ: Snooze alarm screen SIG: Hourly Time Signal screen �Alarm settings (and Hourly Time Signal settings) are available in the Alarm Mode, which you enter by pressing C.

To turn on the backlight manually

In the Countdown Timer and Stopwatch Modes, pressing D turns on the backlight for about two seconds. In any other mode (Timekeeping, Site Time, Moon/Tide Data, Sunrise/Sunset, and Alarm Modes), pressing L turns on the backlight for about two seconds. � The above operation turns on the backlight regardless of the current auto light switch setting. About the Auto Light Switch Turning on the auto light switch causes the backlight to turn on for about two seconds, whenever you position your wrist as described below in any mode. � Be sure to wear the watch on the outside of your left wrist while using the auto light switch. Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes the backlight to turn on. Parallel to

Alarm Types The alarm type is determined by the settings you make, as described below. � Daily alarm Set the hour and minutes for the alarm time. This type of setting causes the alarm to sound everyday at the time you set. � Date alarm Set the month, day, hour and minutes for the alarm time. This type of setting causes the alarm to sound at the specific time, on the specific date you set. � 1-Month alarm Set the month, hour and minutes for the alarm time. This type of setting causes the alarm to sound everyday at the time you set, only during the month you set. � Monthly alarm Set the day, hour and minutes for the alarm time. This type of setting causes the alarm to sound every month at the time you set, on the day you set.

More than 40°

Warning! � Always make sure you are in a safe place whenever you are reading the display of 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.

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