Using the Stopwatch | Citizen 30-7XXX, JMOXXX specification

4. SETTING AND USING THE ALARM

6. ADJUSTING THE CALENDAR

•The setting procedure of the ALARM time is the same as that of the TIME display. Setting order is as follows: ALARM•HOURS→MINUTES

•The HOURS display will synchronise with the selection of 12 or 24 HOURS in the TIME adjustment.

•If the watch is left in the adjustment mode for more than 1 minute without operating any button, AUTO RETURN will activate to return to the normal ALARM display.

•INSTANT MANUAL RETURN to the normal ALARM display can be made at any stage of adjustment by pressing M button.

•Press R button in the normal ALARM mode to set “ON” or “OFF” the alarm. The ALARM set mark will be indicated.

•ALARM sounds for 20 seconds at the ALARM set time. Alarm buzzer can be ceased by pressing any button.

5. USING THE STOPWATCH

Stopwatch operation diagram

• Conﬁrmation sound will be made each time S or

R button is pressed in the STOPWATCH mode.

CALENDAR

DATE

MONTH

DAY

1.Press M button to set to the normal CALENDAR display.

2.Press S until DATE starts ﬂashing.

3.Press R and adjust the date.

4.Press S for MONTH adjustment. MONTH starts ﬂashing.

5.Press R and adjust the month.

6.Press S for DAY adjustment. DAY starts ﬂashing.

7.Press R and adjust the day.

8.Press S or M to ﬁnalise adjustment. The watch returns to the normal CALENDAR display.

• The SPLIT COUNTER mode will turn into the

STOPWATCH COUNTER mode when it is

changed to the other mode while it is in operation.

• The TIMEKEEPING of the stopwatch will be turned

off, if the ALARM buzzer is stopped by pressing S

or R button when the watch is in the STOPWATCH

COUNTER or SPLIT COUNTER mode.

While the split display is in use the SPLIT mark or

S mark is displayed.

★ SPLIT TIME measures the time elapsed after

starting the split time function.

• The stopwatch measurement capacity is 60 minutes,

from 0 to 59' 59.99".

•INSTANT MANUAL RETURN and AUTO RETURN system will activate in the same manner as described in the TIME adjustment.

•If non-existent date is set, the CALENDAR display will show the 1st day of the next month when returned to the normal display.

(ex: February➝31 March 1)

•The CALENDAR function includes automatic month-end adjustment, but in the leap year changeover for February to March must be made manually.

(The Cal C20 doesn’t display the CALENDAR mode mark.)

7. SETTING THE CHIME AND SOUND MONITOR

•Press S and R button simultaneously in the normal TIME or normal CALENDAR mode, the CHIME can be set “ON” or “OFF” each time the buttons are pressed and the CHIME set mark will be indicated. The SOUND MONITOR is conducted at the same time when the buttons are pressed.