Learning to use the Casio Databank 150 wristwatch can be difficult if you don't have the instruction manual as a guide. The Databank 150 features a calculator, world clock, alarm, countdown timer and an electroluminescence (EL) backlight. Learning to correctly use the watch lets you set the time, use the calculator and properly set the alarm clock. The watch has a number pad, light button and four control buttons lettered "A," "B," "C" and "D," located at the corners of the display screen.
- Skill level:
- Moderately Easy
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Press the "B" button repeatedly until the watch is in "Timekeeping Mode." Ordinarily, the watch is in "Timekeeping Mode," because this is the default setting. If there is a time display in the bottom half of the screen and the date in the top half, you are in "Timekeeping Mode."
Press the "A" button when in "Timekeeping Mode" if you wish to set the time and date. The second counter will flash after you press the button. Press the "D" button to select either 12- or 24-hour time system. Look above the hour portion of the display to determine if the "AM/PM" indicator is illuminated.
Use the "0" on the number pad to reset the seconds counter to zero. Do this if it is important that you set your watch precisely. If the seconds reading is 30 or more when you press "0", the clock will advance one minute, if the seconds reading is less than 30, it will stay on the same minute.
Push the "Light" button to move to the hour setting, which will begin to flash. Using the number pad, enter the relevant digits to set the hour. Press the "Light" button again to advance to the minute, year, month and finally the date settings. Enter the relevant numbers for these in the same way. Press "A" to return to "Timekeeping Mode" after you have set your desired time and date.
Press "B" three times from "Timekeeping Mode" to put the Databank 150 into "Calculator Mode." Enter your desired calculation using the number pad. On the row above the numbers "7" to "9" are the function buttons used to add, subtract, multiply and divide. Press the "=" button located at the bottom right hand corner of the watch to see the result for your calculation.
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