Casio 5090 Manual De Usuario

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MA0904-EA

 Button operations are indicated using the letters shown 

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in the illustration.

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To test the alarm
In the Timekeeping Mode or Calendar Mode, hold down B and C at the same time 

to sound the alarm beeper.

 

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Pressing B and C also toggles the hourly time signal on or off. See “Using the 

Hourly Time Signal” for more information.

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Press and hold 

1. 

B

 in the Time display to set time.

Press 

2. 

C

 on a time signal to correct seconds.

 Press 

3. 

B

 to shift flashing digit(s). 

The digit(s) to be changed will flash.
 Each press of 

4. 

C

 increments the digit by one. Keep pressed to move at a high 

speed.

 In the case of 12/24-hour selection, each press of 

 

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C

 switches the display 

between 12-hour and 24-hour format alternately.

(Auto-retrieve function)

If no button is pressed for a few minutes, the display automatically returns to the 

regular timekeeping mode.

Press 

5. 

B

 to complete.

Pressing 

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A

 at any time above will exit the setting mode.

 When the second hand is at 12 o’clock position, stop the second hand by pulling 

1. 

the crown out.
Set the hands by turning the crown.

2. 

Press the crown in on a digital time.

3. 

You can turn on an Hourly Time Signal that causes the watch to beep every hour on 

the hour.

To turn the Hourly Time Signal on or off
In the Timekeeping Mode or Calendar Mode, press B and C at the same time.

ON: Time signal on indicator displayed

OFF: Time signal on indicator not displayed

If the daily alarm is set the beeper sounds for 20 seconds at the preset time every day 

until cleared. To stop the beeper while sounding, press any button.

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Press 

1. 

B

 in the daily alarm mode to set time.

 Each press of 

2. 

C

 increments the digit by one. Keep pressed to move at a high 

speed.
Press 

3. 

B

 to shift flashing digit(s). The digit(s) to be changed will flash.

(Auto-retrieve function)

If no button is pressed for a few minutes in the daily alarm setting mode, the display 

automatically returns to the initial daily alarm mode display.

Press 

4. 

B

 to complete.

 When the watch is in the 24-hour system the alarm time is also displayed in the 

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24-hour system.

Pressing 

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A

 at any time above will exit the setting mode.

To turn the alarm on or off
Press the C button to toggle the alarm on or off.

ON: Alarm on indicator displayed

OFF: Alarm on indicator not displayed

The stopwatch lets you measure elapsed time, split 

times, and two finishes.

 The display range of the stopwatch is 59 minutes, 

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59.99 seconds.

 The stopwatch continues to run, restarting from zero 

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after it reaches its limit, until you stop it.

 

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SPLIT: Split indicator  

Appears when a split time is displayed.

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