Maurice Lacroix ISA 8161/204 Instrucciones página 10

3. Basic settings for the chronograph hand
After changing the battery, or, in exceptional circumstances, following
incorrect operation, it is necessary to reset the Chrono indicator to
zero (starting time).
– Check how the chronograph is running by pressing on push‑button
H.
‑ Stop the chronograph by pressing push‑button H.
‑ Reset the chronograph by pressing push‑button I.
‑ Press both push‑buttons simultaneously and the hand advances by
6 seconds.
‑ Pull the crown to position 3 and the seconds stop.
‑ Initialise the minute counter by pressing push‑button I to position
the hand on the '30.
‑ Initialise the big second hand by pressing push‑button H and set it
to midday.
‑ Return the crown to position 1.
‑ Simultaneously press push‑buttons H and I and the chronograph
hands will make a full rotation thus confirming initialisation.
‑ The chronograph is now ready to be used.
Note : After five and a half hours' operation, the chronograph stops
automatically and returns to 0 in order to save the battery.
4. Using the chronograph (crown in position 1) :
4a) Time measurement :
– To start the chronograph, press push‑button (H).
– To stop the chronograph, press push‑button (H).
– Reset chronograph hands to zero by pressing push‑button (I).
Read note.
4b) Measuring cumulative times :
– To start the chronograph, press push‑button (H).
– To stop the chronograph, press the same button.
– To start it again, press push‑button (H).
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