Jaeger-leCoultre MASTER CONTROL CHRONOGRAPH CALENDAR Manual De Instrucciones página 33

Use:
- Reset the seconds hand by pressing the
push-piece at 4 o'clock to be ready to
perform the measurement.
- Press once on the push-piece at 2 o'clock
to measure 30 heartbeats. The seconds
hand turns (the minute counter is also in
operation but is not used for pulsometer
measurement).
- After 30 heartbeats, press the push-piece
at 2 o'clock again to stop the chrono-
graph.
- Read the frequency of heartbeats per
minute indicated by the seconds hand on
the pulsometric scale on the flange.
33