Casio 3069 Manual page 11

To measure times with the stopwatch ........................................... E-92
To set the countdown start time ..................................................... E-93
To use the countdown timer ........................................................... E-94
To set an alarm time ........................................................................ E-96
To test the alarm ............................................................................... E-97
To turn an alarm and the Hourly Time Signal on and off ............. E-97
To turn on illumination manually .................................................... E-99
To turn the auto light switch on and off ....................................... E-101
To set the time and date manually ................................................ E-117
To change the Daylight Saving Time (summer time) setting .... E-121
To turn the button operation tone on and off .............................. E-125
To recover from the sleep state .................................................... E-127
To turn Power Saving on and off .................................................. E-128
To calibrate the pressure sensor and the temperature sensor ..... E-138
E-9