Casio casio 2430 User's Manual
Contents
1. s auto light switch automatically turns on the backlight when you angle the watch towards your face The auto light switch must be turned on indicated by the auto light switch indicator for it to operate See Backlight Precautions for other important information about using the backlight To turn on the backlight manually Auto light switch indicator n any mode press to illuminate the display for about two seconds The above operation turns on the backlight regardless of the current auto light switch setting About the Auto Light Switch Turning on the auto light switch causes the backlight to turn on for about two seconds whenever you position your wrist as described below in any mode Be sure to wear the watch on the outside of your left wrist while using the auto light switch 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 N z A More than 40 Parallel to ground 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 turned2. Alarm Operation The alarm tone sounds and an alarm graphic flashes at the preset time for about 20 seconds Pressing any button stops the alarm operation To test the alarm In the Alarm Mode hold down to sound the alarm To turn an alarm and the Hourly Time Signal on and off 1 In the Alarm Mode use to select an alarm or the D Hourly Time Signal 2 When the alarm or the Hourly Time Signal you want is selected press to turn it on W displayed and off wW not displayed e The alarm on indicator and the Hourly Time Signal on indicator are shown on the display in all modes while these functions are turned on e If any alarm is on the alarm on indicator is shown on the display when you change to another mode Hourly time signal on indicator Alarm on indicator Dual Time The Dual Time Mode lets you keep track of time in a different time zone Graphic Mode e Inthe Dual Time Mode the seconds count is synchronized seconds indicator with the seconds count of the Timekeeping Mode Hour Minutes To set the Dual Time 1 Press to enter the Dual Time Mode 2 Use and to set the Dual Time Mode time Each press of changes the time setting in 30 minute increments Pressing sets the Dual Time Mode to the same time as the Timekeeping Mode Seconds Backlight The backlight uses an EL electro luminescent panel that causes the entire display to glow for easy reading in the dark The watch
3. is automatically displayed in accordance with the date year month and day settings The year can be set in the range of 2000 H0 to 2039 39 The watch s built in full automatic calendar automatically makes allowances for different month lengths and leap years Once you set the date there should be no reason to change it except after you have the watch s battery replaced Countdown Timer Graphic minutes You can set the countdown timer within a range of 1 to 60 minutes An alarm sounds and an alarm graphic flashes Mode indicator when the countdown reaches zero e The initial default countdown start time when you purchase the watch or after you have its battery replaced is 45 minutes The countdown operation continues even if you exit the Countdown Timer Mode All of the operations in this section are performed in the Countdown Timer Mode which you enter by pressing Minutes Seconds To use the countdown timer Press while in the Countdown Timer Mode to start the countdown timer When the end of the countdown is reached the alarm sounds and an alarm graphic flashes for 10 seconds or until you stop it by pressing any button The countdown time is automatically reset to its starting value after the alarm stops Press while a countdown operation is in progress to pause it Press again to resume the countdown To completely stop a countdown operation first pause it by pressing and then press
4. This returns the countdown time to its starting value To set the countdown start time 1 In the Countdown Timer Mode hold down until the minute setting of the countdown start time starts to flash which indicates the setting screen 2 Press to increase the setting 3 Press to exit the setting screen Stopwatch Mode Alarm Mode Dual Time Mode Stopwatch The stopwatch lets you measure elapsed time split times and two finishes Seconds Minutes Minutes Mode indicator 1 100 Second Seconds Up to 60 minutes After 60 minutes The display range of the stopwatch is 23 hours 59 minutes 59 seconds Time is measured in 1 100 second increments up to the first 60 minutes and in 1 second increments after 60 minutes The stopwatch continues to run restarting from zero after it reaches its limit until you stop it The stopwatch measurement operation continues even if you exit the Stopwatch Mode Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to elasped time measurement All of the operations in this section are performed in the Stopwatch Mode which you enter by pressing To measure times with the stopwatch Elapsed Time gt gt Start Stop Split Time gt Start Split Split release Split indicator displayed Two Finishes gt Start Split Stop Split release First runner Second runner Display time of fini
5. USER S GUIDE 2430 General Guide Press 8 to change from mode to mode In any mode press to illuminate the display Timekeeping Mode Countdown Timer Mode Timekeeping Use the Timekeeping Mode to set and view the current time and date In the Timekeeping Mode hold down to display the current month day and day of the week The current time will reappear when you release AM PM 24H indicator Hour Minutes Month Day Graphic seconds Seconds Day of week To set the time and date 1 In the Timekeeping Mode hold down until the seconds start to flash which indicates the setting screen 2 Press 8 to move the flashing in the sequence shown below to select other settings Seconds gt Hour gt Minutes gt 12 24 Hour Format Day lt Month lt Year 3 When the setting you want to change is flashing press to change it as described below To change this setting Perform this button operation Seconds Press to reset to GG Hour Minutes Year Month Day Press to increase the setting 12 24 Hour Format Press to toggle between 12 hour AM or PM and 24 hour 24H timekeeping Pressing while the seconds are in the range of 30 to 59 resets them to 4 and adds 1 to the minutes In the range of 00 to 29 the minutes are unchanged 4 Press to exit the setting screen The day of the week
6. el to the ground The backlight turns off in about two seconds even if you keep the watch pointed towards your face Static electricity or magnetic force can interfere with proper operation of the auto light switch If the backlight does not light try moving the watch back to the starting position parallel with the ground and then tilt it back toward you again If this does not work drop your arm all the way down so it hangs at your side and then bring it back up again Under certain conditions the backlight may not light until about one second after you turn the face of the watch towards you This does not necessarily indicate malfunction of the backlight
7. hree minutes without performing any operation the watch automatically saves any settings you have made up to that point and exits the setting screen Data and Setting Scrolling The button is used in various setting screens to scroll through data on the display In most cases holding down this button during a scroll operation scrolls through the data at high speed Initial Screens When you enter the Alarm Mode the data you were viewing when you last exited the mode appears first Backlight Precautions The electro luminescent panel that provides illumination loses power after very long use The illumination provided by the backlight may be hard to see when viewed under direct sunlight The watch may emit an audible sound whenever the display is illuminated This is due to vibration of the EL panel used for illumination and does not indicate malfunction The backlight automatically turns off whenever an alarm sounds Frequent use of the backlight shortens the battery life Auto light switch precautions Avoid wearing the watch on the inside of your wrist foo nene 19 degrees Doing so causes the auto light switch to operate when it is not needed which shortens battery life If you want to wear the watch on the inside of your wrist turn off the auto light switch feature The backlight may not light if the face of the watch is more than 15 degrees above or below parallel Make sure that the back of your hand is parall
8. 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 To turn the auto light switch on and off In the Timekeeping Mode hold down for about two seconds to toggle the auto light switch on Auto light switch indicator displayed or off Auto light switch indicator not displayed The auto light switch indicator is on the display in all modes while the auto light switch is turned on In order to protect against running down the battery the auto light switch automatically turns off approximately six hours after you turn it on Repeat the above procedure to turn the auto light switch back on if you want Reference This section contains more detailed and technical information about watch operation It also contains important precautions and notes about the various features and functions of this watch Auto Display Auto Display continually changes the contents of the digital display To turn off Auto Display Press any button except for to turn off Auto Display This returns to the Timekeeping Mode To turn on Auto Display Hold down for about two seconds until the watch beeps e Note that Auto Display cannot be performed while a setting screen is on the display Auto return features If you leave a screen with a flashing setting for two or t
9. shes finishes second runner Display time of first runner Alarms Mode indicator YOu can set five independent Daily Alarms When an alarm is turned on the alarm tone sounds and an alarm graphic flashes when the time is reached When the Hourly Time Signal is turned on the watch beeps every hour on the hour Pressing in the Alarm Mode cycles through the five alarm screens which show the alarm time and alarm number and the hourly time signal screen which shows 38 The five alarms are identified by alarm numbers through An alarm setting and an Hourly Time Signal setting is available in the Alarm Mode which you enter by pressing 8 Hour Minutes Alarm number To set an alarm time 1 In the Alarm Mode use to select the alarm whose time you want to set Alarm 1 Alarm 2 Alarm 3 1 PPL 2 3 Alarm 5 Alarm 4 5 4 2 After you select an alarm hold down until the hour setting of the alarm time starts to flash which indicates the setting screen At this time the alarm is turned on automatically 3 Press 8 to move the flashing between the hour and minutes 4 While a setting is flashing press to increase it When setting the alarm time using the 12 hour format take care to set the time correctly as a m AM or p m PM 5 Press to exit the setting screen Hourly Time Signal lt lt x Alarm on indicator USER S GUIDE 2430
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