Operation Guide 5420/5421 - Support
Contents
1. 2013 CASIO COMPUTER CO LTD Operation Guide 5420 5421 e Your watch may differ somewhat from the one shown in the illustration Day of the week 24 Hour Hand Day Crown Operations Some water resistant models 100 meters 200 meters have a screw in crown When you need to perform a crown operation rotate it towards you to unscrew it Then pull the crown out Avoid applying undue force when pulling The watch loses its water resistance while the crown is unscrewed After performing a crown operation fully screw the crown back in If your watch has a rotary bezel You can rotate the bezel to align its W mark with the minute hand Then you will be able to tell how much time has elapsed since aligning the W mark Elapsed time Specifications 20 seconds SR920SW Approx 3 years To adjust the day of the week and time When the second hand is at 12 o clock pull the out to Click 2 Vv Rotate the to advance the hour and minute hand settings which will also change as the day of the week setting Rotate the to change the time setting w Push the back in To change the day setting Pull the out to Click 1 y Rotate the to set the day v Push the back in CASIO Note e Take care that you set the correct AM or PM time e When changing the time move the minute hand four or five minutes past your final setting and t2. hen back it up to the setting you want e The 24 Hour Hand indicates the current hour of the day It makes one complete rotation every 24 hours Note e The day setting uses a 31 day month Make adjustments for months of shorter lengths e Avoid changing the day setting between the hours of 9 p m and 1 a m Otherwise the day setting may not change correctly at midnight
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