Assessments - 4, GPA: 4.8
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Normally, the rechargeable battery should not need replacement, but after very long use over a number of years, the rechargeable battery may lose its ability to achieve a full charge. If you experience problems getting the rechargeable battery to a full charge, contact your dealer or CASIO distributor about having the rechargeable battery replaced. •The rechargeable battery should be replaced with a CASIO-specified CTL1616 battery only. Other rechargeable batteries can cause damage to the watch. •All data stored in memory is deleted, and the current time and all other settings return to their initial factory defaults whenever battery power drops to Level 4 and when you have the battery replaced. •Turn on the watch’s Power Saving function and keep it in an area normally exposed to bright light when storing it for long periods. This helps to keep the rechargeable battery from going dead. Battery Power Indicator and Recover Indicator The battery power indicator on the display shows you the current status of the rechargeable battery’s power. Battery power indicator Recover indicator Level 1 2 3 4 Battery Power Indicator (Charge Soon Alert) Function Status All functions enabled. All functions enabled. Beeper tone, backlight, calibration signal reception, display, and buttons are disabled. All functions, including timekeeping, are disabled. llllllllllll l l llllll l llll •The flashing CHARGE indicator at Level 3 tells you that battery power is very low, and that exposure to bright light for charging is required as soon as possible. •At Level 4, all functions are disabled and settings return to their initial factory defaults. Functions are enabled once again after the rechargeable battery is charged, but you need to set the time and date after the battery reaches Level 3 from Level 4.You will not be able to configure any of the other settings until the battery reaches Level 2 after dropping to Level 4. •Display indicators reappear as soon as the battery is charged from Level 4 to Level 3. •Leaving the watch in direct sunlight or some other very strong light source can cause the battery power indicator to temporarily show a reading that is higher than the actual battery level. The correct battery power indicator should appear after a few minutes. •If you use the backlight or the alarms a number of times during a short period, the recover indicator (RECOVER ) appears on the display and the following operations become disabled until battery power recovers. Backlight Beeper tone Calibration reception After some time, battery power will recover and the recover indicator (RECOVER ) will disappear, indicating that the above functions are enabled again. •If the recover indicator appears frequently, it probably means that remaining battery power is low. Leave the watch in bright light to allow it to charge. 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. Warning! Leaving the watch in bright light to charge its rechargeable battery can cause it to become quite hot. Take care when handling the watch to avoid burn injury. 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 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) Approximate Exposure Time Outdoor Sunlight (50,000 lux) 5 minutes Sunlight Through a Window (10,000 lux) 24 minutes Daylight Through a Window on a Cloudy Day (5,000 lux) 48 minutes Indoor Fluorescent Lighting (500 lux) 8 hours •Since these are the specs, we can include all the technical details. •Watch is not exposed to light •Internal timekeeping •Display on 18 hours per day, sleep state 6 hours per day •1 backlight operation (1.5 seconds) per day •10 seconds of alarm operation per day •5 times calibration reception per day •Stable operation is promoted by frequent charging. Recovery Times The table below shows the amount exposure that is required to take the battery from one level to the next. 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 Level 4 Level 3 Level 2 Level 1 1 hour 14 hours 3 hours 3 hours 70 hours 14 hours 5 hours 143 hours 28 hours 57 hours ---------------------- •The above exposure time values are all for referenc...
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