MIYOTA JS50 Small Second Chronograph Instruction Manual

Cal. JS50
Instruction manual

STOPWATCH FUNCTION : SMALL SECOND HAND TIME MEASUREMENT UP TO 29min 59sec.

DISPLAYS AND BUTTONS

SETTING THE TIME

1. Pull the crown out to the 1st Click Position.
2. Turn the crown to set hour and minute hands.
3. When the crown is pushed back to the normal position in synchronization with a time signal, second hand begins to run.

 USING THE STOPWATCH

This stopwatch is able to measure and display time in 1second united up to maximum of 29min 59sec. Stopwatch will stop automatically after running continuously for 30 minutes.
Measuring time with the stopwatch

1. Press button “A” to start the stopwatch.
2. The stopwatch can be started and stopped each time button “A” is pressed.
3. Pressing button “B” resets the stopwatch and stopwatch minute and second hands return to their ZERO positions.

* Button A / B does not function during resetting the stopwatch.

STOPWATCH RESET (INCL. AFTER REPLACING BATTERY)

This procedure should be performed when the stopwatch second hand does not return to the ZERO second position after the stopwatch has been reset, and including after the battery has been replaced.

1. Pull the crown out to the 1st Click Position.
2. Press the button “A” to set the stopwatch second hand forward.
   Press the button “B” to set the stopwatch second hand back.
   The stopwatch minute hand is synchronized with stopwatch second hand.
   The stop watch second hand can be advanced rapidly by continuously pressing button “A” or “B”.
3. Once the hands have been zeroed, reset the time and return the crown to its normal position.

These specifications might be changed without prior notice.

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