Using The Chronograph - Citizen C390 Instruction Manual

Note:
1. When the time mode is set to the 12 hour time display, the alarm time also
uses a 12-hour time display. Pay attention to AM and PM when setting the
alarm time.
<Switching Alarm ON and OF>
The alarm can be switched ON and OF by pulling out the crown to the first click
even when not in the alarm correction state.
1. Pull out the crown to the first click in the alarm mode to allow the alarm to be
switched ON and OF.
2. Pressing button (B) switches the alarm ON and OF each time it is pressed.
3. Return the crown to the normal position after the alarm has been set to ON or
OF.
<Alarm Monitor>
1. Pressing buttons (A) and (B) simultaneously during the normal alarm display
causes the alarm to sound for as long as they are pressed.
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10. Using the Chronograph

The chronograph is able to measure and display time up to a maximum of 23
hours, 59 minutes, 59.99 seconds in 1/100th second units. After 24 hours have
elapsed, the chronograph automatically returns to the chronograph reset display
(00'00"00) and stops.
<Normal Chronograph Display>
1. Turn the crown to set the mode hand to the
2. Pressing button (A) repeatedly starts and
3. Split time is displayed for 10 seconds when
• The "SPL" mark flashes during split time
4. Pressing button (B) while the chronograph is
<Chronograph Measurement>
chronograph [CHR] mode.
stops the chronograph each time it is pressed.
button (B) is pressed during chronograph
measurement.
display.
stopped returns the chronograph to the
chronograph reset display.
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