CASIO EF510D-1A
Manual de Usuario

Operation Guide 4725
Alarm
You can set the hour and minute for one alarm time. When the alarm is turned on, the watch will beep whenever the current time (Timekeeping Mode) reaches the alarm time.
24-hour hand Minute hand First click Second hand Hour hand Second click (Setting time) Mode hand Crown (Normal position)

Date and Function Hand Adjustment � With the crown pulled out to the first click, rotate it towards you until the date shows 31. Rotating the crown two or more turns will scroll the day setting at high speed. To stop high-speed date scrolling, rotate the crown towards you one turn. � While the function hand is rotating, set the date to 1. � After setting the date to 1, press A to align the function hand with 0. Hour, Minute, Second, and 24-hour Hand Adjustment � Pull the crown out to the second click. � Press A to adjust the second hand position. Each press of A advances the hand by one second. Holding down A will advance at high speed. Release A to stop high-speed movement. � Rotate the crown to adjust the hour, minute, and 24-hour hand positions. Rotate the crown towards you to move the hands clockwise. Rotate the crown away from you to move the hands counterclockwise. Rotating the crown two or more turns will move the hands at high speed. To stop high-speed hand movement, rotate the crown towards you or away from you one turn. If you do not stop high-speed hand movement, it will stop automatically after a 12-hour cycle. Carefully set the time, making sure to distinguish between AM and PM. 4. After you are finished, push the crown back in to the normal position.

To change the alarm time setting 1. With the crown in the normal position, rotate it until the mode hand is pointed at ALM (Alarm Mode). � This will cause the hour, minute, and 24-hour hand to move to the current alarm time setting. � The second hand moves to either ON (alarm on) or OFF (alarm off) in accordance with the current alarm on/off setting. 2. Pull the crown out to the second click. 3. Rotate the crown to change the alarm time setting. � Rotating the crown one turn towards you until you feel a click will return the current time setting one minute. � Rotating the crown one turn away from you until you feel a click will advance the current time setting one minute. � Rotating the crown two or more turns will move the hands at high speed. To stop high-speed hand movement, rotate the crown towards you or away from you one turn. If you do not stop high-speed hand movement, it will stop automatically after a 12-hour cycle. � Change the setting carefully, making sure to distinguish between AM and PM. 4. After you are finished, push the crown back in to the normal position. To turn the alarm on and off 1. With the crown in the normal position, rotate it until the mode hand is pointed at ALM (Alarm Mode). 2. Pull the crown out to the first or second click. 3. Press A to toggle the alarm on or off. 4. After you are finished, push the crown back in to the normal position.

Alarm Operation
The alarm tone sounds at the preset time for 15 seconds, regardless of the mode the watch is in. � To stop the alarm tone after it starts to sound, press A or B.

To test the alarm In the Alarm Mode, hold down A to sound the alarm.

Checking and Adjusting the Hand and Date Home Positions
If you feel that the second hand position is off (at the start of a stopwatch elapsed time operation, for example), use the procedure below to check and adjust its home position.
Function hand Minute hand Second hand 24-hour hand Hour hand Second click Mode hand Crown (Normal position) First click

Day

To checking and adjusting the hand and date home positions 1. With the crown in the normal position, rotate it until the mode hand is pointed at CHR (Stopwatch Mode). 2. Pull the crown out to the first click. � This will cause the watch�s settings to change to the following home positions. Hour hand: 12 o�clock Minute hand: 12 o�clock Second hand: 12 o�clock 24-hour hand: 24 Function hand: 0 Day: 1 3. If any setting is not at the correct home position, perform one of the following operations to correct it.

2