Breitling AEROSPACE, User Manual

Page: 22 / 135

Pull the crown out: next to the date, the seconds digits are
replaced by the month digit(s), with all digits flashing.
rotate the crown forward or backward: if rotated rapidly,
the month will change; if rotated slowly, the date will
change.
Push the crown back in: the seconds digits replace the
month.
Leap-year adjustments:
the calendar is programmed to switch automati-
cally from february 28 to march 1; it will therefore have to be adjusted
manually every february 29 by moving the date back by one day, from
march 1 to february 29.
Please note:
although the watch does not normally display the month, the
latter must of course be correctly set to enable the perpetual calendar to
function normally.
39 38
Push the crown back in. the minute digits flash on and off
for 1 minute.
While the seconds digits flash, push the crown back in pre-
cisely at an observatory time signal or when a reference
time source marks the exact minute: this will return the
seconds digits to zero.
check that the minute display corresponds to the exact time; if it does not,
add or substract a minute (see 2.2).
2.4 CORRECTING THE DATE AND THE MONTH
Note:
the calendar is programmed to provide the exact date during a full
leap-year cycle of four years, thus requiring a correction every february 29
only.
Select the second-date function display.
seconds/date
month/date