User manual CASIO 2819

[. . . ] MO0603-EA Operation Guide 2639 2819 Getting Acquainted Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to read this manual carefully. · The initial factory default Home City setting is TYO (Tokyo). This means that the watch is initially configured to receive the time calibration signals transmitted in Japan. [. . . ] · When setting the alarm time using the 12-hour format, take care to set the time correctly as a. m. or p. m. To turn on the backlight manually In any mode, press L to illuminate the display for about one second. · The above operation turns on the backlight regardless of the current auto light switch setting. Module 2819 Alarm Operation The alarm tone sounds at the preset time for 10 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. · 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 snooze alarm setting screen To test the alarm In the Alarm Mode, hold down B to sound the alarm. || | | About the Auto Light Switch Turning on the auto light switch causes the backlight to turn on for about one second, whenever you position your wrist as described below in any mode. Note that this watch features a "Full Auto EL Light, " so the auto light switch operates only when available light is below a certain level. Moving the watch to a position that is parallel to the ground and then tilting it towards you at more than 40 degrees causes the backlight to turn on. · Wear the watch on the outside of your wrist. Parallel to ground More than 40° 3 Operation Guide 2639 2819 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 startle 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. Charging Precautions Certain charging conditions can cause the watch to become very hot. Avoid leaving the watch in the areas described below whenever charging its rechargeable battery. Also note that allowing the watch to become very hot can cause its liquid crystal display to black out. The appearance of the LCD should become normal again when the watch returns to a lower temperature. Leaving the watch in bright light to charge its rechargeable battery can cause it to become quite hot. The watch can become particularly hot when exposed to the following conditions for long periods. · On the dashboard of a car parked in direct sunlight · Too close to an incandescent lamp · Under direct sunlight To turn the auto light switch on and off In any mode, hold down L for about two seconds to toggle the auto light switch on (auto light switch on indicator displayed) or off (auto light switch on indicator not displayed). · The auto light switch on indicator is displayed in all modes while the auto light switch is turned on. Charging Guide After a full charge, timekeeping remains enabled for up to about six months. · The following table shows the amount of time the watch needs to be exposed to light each day in order to generate enough power for normal daily operations. Exposure Level (Brightness) Outdoor Sunlight (50, 000 lux) Sunlight Through a Window (10, 000 lux) Daylight Through a Window on a Cloudy Day (5, 000 lux) Indoor Fluorescent Lighting (500 lux) Approximate Exposure Time 5 minutes 24 minutes 48 minutes 8 hours Power Supply This watch is equipped with a solar cell and a special rechargeable battery (secondary battery) that is charged by the electrical power produced by the solar cell. [. . . ] In most cases, holding down these buttons during a scroll operation scrolls through the data at high speed. Initial Screens When you enter the Alarm or World Time Mode, the data you were viewing when you last exited the mode appears first. · Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state. · The watch will not enter the sleep state between 6:00 AM and 10:59 PM. If the watch is already in the sleep state when 6:00 AM arrives, however, it will remain in the sleep state. 5 Operation Guide 2639 2819 To recover from the sleep state Perform any one of the following operations. This causes the transmitter indicator to flash, which indicates the |||| setting screen. [. . . ]