18
CHRONOGRAPH FUNCTIONS
Overview
Use buttons
A
and
B
to operate the chronograph.
Pressing button
A
the first time will start the
chronograph. Pressing button
A
a second time will
stop the chronograph, allowing elapsed time to be
read. Pressing button
A
a third time will restart the
chronograph. Pressing button
B
will reset chronograph
hands
C
,
E
and
F
to 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
B
to 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
A
to start chronograph.
2. Press button
A
a second time to stop chronograph,
and read the chronograph hands to determine
elapsed time, for example: 5 minutes, 57 seconds.
3. Press button
B
to 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
A
to start chronograph.
2. Press button
A
a second time to stop chronograph
and read elapsed time.
3. Press button
A
again to resume measurement.
4. Press button
A
a 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
B
to reset chronograph hands
to zero.
Split-time or intermediate-time functions:
To take intermediate time readings as a race
progresses:
1. Press button
A
to start chronograph.
2. Press button
B
to momentarily stop chronograph.
3. Read off the intermediate time, for example:
6 minutes, 4 seconds.
4. Press button
B
to resume chronograph function; the
3 chronograph hands will quickly catch up with
ongoing event.
5. To read a second split time, press button
B
again.
Repeat steps 2 through 4 to take any additional
split times.
6. Press button
A
to stop chronograph.
7. Take a reading of the final time, for example:
25 minutes, 18 seconds.
8. Press button
B
to reset chronograph hands to zero.
8
QUARTZ CHRONOGRAPH
1/1 OF A SECOND – TYPE B
Includes Series 800 Sub-Sea Retrograde and Verto retrograde chronographs