Norqain ETA 2824 User Manual, International Warranty page 19

The tachymeter is a scale on the dial of your NORQAIN watch. It is divided into grades. It is used
to measure the average speed or hourly performance during an observation period of less than
60 seconds via the chronograph function (see previous page).
T A C H Y M E T E R
Average speed
Begin the time measurement
30 sec. by activating the chronograph
function (pusher A). End the
time measurement after
reaching the distance of
A
1 kilometre / 1 mile (pusher A).
B
If the measured time
(presented by the
chronograph seconds counter)
is for example at 30 seconds,
the tachymeter will show an
average speed of 120km/h or
120 mph.
120 x 1/h x 1km = 120 km/h
Set the seconds back to 0
(pusher B) before starting
further time measurements.
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