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12
HOW
TO USE THE TACHYMETER
1..
p r
u
To start
:
Press
"A".
,
,
..
.
To stop
.
Press
"A
~
Tachymeter
scale
gure
Ex.
1)
(For
the models
with
a
tachymeter
scale on
the
dial)
*"'"'
I"
'*\
lfit
takes
40
seconds
to
go one
kilometer (or
one
mile), the
)
Q
'
stopwatch
second hand indicates
"90"
on the
tachymeter
B
A
'
U59
the
ta¢hYmet§F With
The
$t°PWatCh-
l
.;
scale.
This means that the average
speed
of the vehicle
Stopwatch operation (Standard measurement)
I
is 90
knometers (or mes)
e
ho
r,
"
T:
"
90
-
-
x
1
(Kilometer or mile)
To reset
Press ,,B,,'
(
at
40
seconds position
)
90
Km/h (mph)
The
tachymeter
can be used
for
the
following
purposes.
E><-
2)
lf
the measuring distance
is
extended to
2
kilometers
(or
(1)
To measure
the hourly
average speed of
a
vehicle
miles) or shortened to
0.5
kilometers (miles),
multiply
the
o
use the stopwatch to determine how many seconds it
figure
on
the tachymeter
scale by
2
or
0.5,
respectively.
takesto
90
one
kimmeter (or one
m;|e)_
The
tachymeter
We recommend
that
you utilize the tachymeter
in
a
rally,
scale
indicated by the stopwatch second hand gives the
$peedWaV
°"
circuit
race-
average speed per hour.
Tachymeter
scale
figure
2 K-|
-|
*Please
note
that the tachymeter
scale can be used
90
(
at 4° Sewnds
p°$'t'°n
)
X
(
lometers
or ml
es)
only when the time required
is
less
than
60
seconds.
=
130
Km/h (mph)
If
it
exceeds
60
seconds, shorten the measuring
T
h
t
|
f'
distance. (Refer
to
"Ex.
2"
below)
90(
ac
yme er
Sea e
gure)
X
0'5 (Knometers
or
'I
)
at
40
seconds position
m es
=
45
Km/h (mph)
13
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