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Before using the Digital Diary...
Introduction
Congratulations on your selection of CASIO’s new SF-5580/SF-5780/SF-5980
(referred to as Digital Diary in this manual). Please keep your manual and all
information handy for future reference.
Write down important data somewhere!
The memory of your Digital Diary holds information only while power is supplied by
the batteries. Always write down important data somewhere.
Important!
• Load batteries (page 1) and perform the all-reset operation described on page
11 before using the Digital Diary for the first time.
Important Precautions
• Never expose the Digital Diary to fire.
• Avoid temperature extremes. Do not locate the Digital Diary in direct sunlight,
near a window, near a heater, etc.
• In very low temperatures display response may slow down or fail entirely. This
condition is temporary and operation should resume under normal temperatures.
• Avoid areas subject to excessive moisture, dirt, and dust.
• Avoid dropping the Digital Diary and otherwise subjecting it to strong impact.
• Never bend or twist the Digital Diary.
• Never try to take the Digital Diary apart.
• Do not use a pen, pencil, or other sharp object to press keys.
• To clean the exterior of the Digital Diary, wipe it with a soft cloth dampened in a
weak solution of a mild neutral detergent and water. Be sure to wring out any
excess moisture from the cloth before wiping off the Digital Diary. Never use
benzene, thinner, or any other volatile agent to clean the unit. Doing so can
remove the figures printed on the case or otherwise damage the case finish.
• The contents of this manual are subject to change without notice.
• CASIO COMPUTER CO., LTD. assumes no responsibility for any loss or claims
by third parties that may arise from the use of this product.
• Note that once the backlight is lit, it will stay on as long as you continue to operate
the calculator.
Leaving the backlight on for long periods greatly reduces battery life!
Press the LIGHT key to manually turn off the backlight.
• Be sure to use alkaline batteries only to power this Digital Diary.