How to reset the chronograph?

This procedure should be performed when the chronograph second hand does not return to zero
position after the chronograph has been reset, and including after the battery has been replaced.
1. Pull the crown out to the 2nd position.
2. Press button “A” to set the chronograph second hand to zero position.
The chronograph hand can be advanced rapidly by continuously pressing button “A”.
3. Once the hand have been reset to zero position, push the crown back to the normal position.
Do not push the crown to normal position while the chronograph second hand returns to zero
position. It stops on the way when the crown are returned to normal position and its position is
recognized as zero position.