User manual CASIO 2872

[. . . ] MO0405-EA Operation Guide 2872 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 and keep it on hand for later reference when necessary. · The measurement functions built into this watch are not intended for taking measurements that require professional or industrial precision. Values produced by this watch should be considered as reasonable representations only. [. . . ] 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 more than 40 degrees causes the backlight to turn on. · Wear the watch on the outside of your wrist. Parallel to ground You can set five independent daily alarms. When an alarm is turned on, the alarm tone sounds when the alarm time is reached. You can also turn on an Hourly Time Signal, which will cause the watch to beep twice every hour on the hour. · The alarm number (ALx1 through ALx5 ) indicates an alarm screen. :00 is shown for the alarm time when the Hourly Time Signal screen is on the display. · When you enter the Alarm Mode, the data you were viewing when you last exited the mode appears first. · All of the operations in this section are performed in the Alarm Mode, which you enter by pressing C. More than 40° 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 surprise 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. 5 Operation Guide 2872 To turn the auto light switch on and off In any mode except while a setting is flashing on the display, hold down L for about two seconds to toggle the auto light switch on ( displayed) and off ( not displayed). · The auto light switch on indicator ( ) is on the display in all modes while the auto light switch is turned on. · The auto light switch turns off automatically whenever battery power drops to Level 3. · The backlight may not light right away if you raise the watch to your face while a barometric pressure or altitude measurement operation is in progress. · The auto light switch is always disabled, regardless of its on/off setting, when any one of the following conditions exists. While an alarm is sounding While a direction measurement operation is being performed or while a bearing sensor calibration operation in the Digital Compass Mode 14000 ft 12000 ft 10000 ft 8000 ft 6000 ft 4000 ft 2000 ft 0 ft 19. 03 inHg 22. 23 inHg 25. 84 inHg 29. 92 inHg About 0. 15 inHg per 200 ft About 0. 17 inHg per 200 ft 16. 2°F 30. 5°F About 3. 6°F per 1000 ft About 0. 192 inHg per 200 ft 44. 7°F About 0. 21 inHg per 200 ft 59. 0°F Source: International Civil Aviation Organization · Note that the following conditions will prevent you from obtaining accurate readings: When air pressure changes because of changes in the weather Extreme temperature changes When the watch itself is subjected to strong impact There are two standard methods of expressing altitude: Absolute altitude and relative altitude. Relative altitude expresses the difference between the height of two different places. To specify the illumination duration 1. In the Timekeeping Mode, hold down A until the seconds start to flash, which indicates the setting screen. Press B to toggle the illumination duration setting between 2. 5 seconds ( ) and 1. 5 seconds ( ). [. . . ] If you notice serious errors in the temperature readings produced by the watch, you can calibrate the sensor to correct the errors. Incorrectly calibrating the temperature sensor can result in incorrect readings. · Compare the readings produced by the watch with those of another reliable and accurate thermometer. · If adjustment is required, remove the watch from your wrist and wait for 20 or 30 minutes to give the temperature of the watch time to stabilize. To calibrate the temperature sensor 1. [. . . ]