18
CHRONOGRAPH FUNCTIONS
Overview
Use buttons Aand Bto operate the chronograph.
Pressing button Athe first time will start the
chronograph. Pressing button Aa second time will
stop the chronograph, allowing elapsed time to be
read. Pressing button Aa third time will restart the
chronograph. Pressing button Bwill reset chronograph
hands C, Eand Fto zero.
IMPORTANT: Crown must be in position 1, screwed
down into case, and counter hands must be at zero
before chronograph is started. Press button Bto reset
hands to zero, or, if necessary, reset them following
instructions below.
To reset chronograph counters to zero:
All chronograph hands must be in the zero position
before you start a timing. Unlock crown and follow
these steps as needed to reset the hands of the
counters:
60-Minutes counter:
Pull crown to position 2, press and hold push-button B
and rotate crown clockwise.
30-Seconds counter:
Pull crown to position 3, press and hold push-button A
and rotate crown clockwise.
5-Minutes counter:
Pull crown to position 3, press and hold push-button B
and rotate crown clockwise.
Simple chronograph functions:
To measure the duration of a single, non-stop event:
1. Press button Ato start chronograph.
2. Press button Aa second time to stop chronograph,
and read the chronograph hands to determine
elapsed time, for example: 5 minutes, 57 seconds.
3. Press button Bto reset chronograph hands to zero.
Accumulated time functions:
To measure the combined time of a series of shorter
events, for example the actual playing time of a
football game, where play is repeatedly interrupted:
1. Press button Ato start chronograph.
2. Press button Aa second time to stop chronograph
and read elapsed time.
3. Press button Aagain to resume measurement.
4. Press button Aa fourth time to stop chronograph
again, and read new elapsed time.
NOTE: Each time you stop chronograph, chronograph
hands will indicate total accumulated time.
5. Repeat steps 1 and 2 to add each additional
interval of time.
6. After you have taken your final accumulated time
reading, press button Bto reset chronograph hands
to zero.
Split-time or intermediate-time functions:
To take intermediate time readings as a race
progresses:
1. Press button Ato start chronograph.
2. Press button Bto momentarily stop chronograph.
3. Read off the intermediate time, for example:
6 minutes, 4 seconds.
4. Press button Bto resume chronograph function; the
3 chronograph hands will quickly catch up with
ongoing event.
5. To read a second split time, press button Bagain.
Repeat steps 2 through 4 to take any additional
split times.
6. Press button Ato stop chronograph.
7. Take a reading of the final time, for example:
25 minutes, 18 seconds.
8. Press button Bto reset chronograph hands to zero.
8QUARTZ CHRONOGRAPH
1/1 OF A SECOND – TYPE B
Includes Series 800 Sub-Sea Retrograde and Verto retrograde chronographs