Special Characteristics - Breitling BENTLEY MOTORS Manual De Instrucciones

II. M
EASURING AN INTERRUPTED SHORT TIME
1. Press pushpiece A to start the chronograph. Hand 3
allows you to follow the measurement in seconds.
2. t o interrupt the measurement, press pushpiece A
once more. t o restart the time measurement, press
pushpiece A. t his procedure makes it possible to
add several short times.
3. t he chronograph is reset to zero by pressing push-
piece B, once the final measurement has been stopped.
24

SPECIAL CHARACTERISTICS

AVG
SPEED
USING THE TACHOMETER
Your chronograph is equipped with two different tachometric devices enabling
one to determine the average speed of a vehicle.
1. F
IXED TACHOMETER
t he tachometric scale makes it possible to determine an average speed cal -
culated on the basis of the time required to cover a fixed distance of 1 kilometer
or 1 mile. t he place on the scale where the seconds hand has been stopped
after the measurement indicates the average speed in km/h (if the distance
covered is one kilometer) or in mph (if the distance covered is one mile).
Example 1: if it takes 20 seconds to cover one kilo -
meter or one mile, the average speed is 180 km/h
or 180 mph respectively.
25