Manual Lorus N945 (page 3 of 4) (English)

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■ HOW TO USE THE STOPWATCH

• Turn the crown to set the mode indicator to

“CHRONO.”.

The hour, minute, stopwatch second and stopwatch

1/10 second hands return to “0” position, and

the stopwatch 12-hour hand returns to “0” or

“12” depending on which position it started from.

Stopwatch 1/10 second hand

Stopwatch second hand

Stopwatch 12-hour hand

Hour hand

Minute hand

Crown

Mode indicator

A B

* The stopwatch can measure up to 12 hours in

1/10 seconds.

* Even if the mode is changed from “CHRONO.”

to another while the stopwatch is measuring,

it continues counting. However, if “→ Ø ←”

mode is selected and the crown is pulled out,

the measurement is canceled and the hands

will be reset to “0” position, and when the

split time is measured, it will be released by

changing the mode.

• Before using the stopwatch, be sure to reset the

stopwatch 12-hour hand to “0” or “12” position

and the other hands to “0” position.

When the stopwatch is measuring, depress button

“A” to stop the measurement and then depress

button“B” once.

AAB

Start Stop Reset

Split time measurement

ABB AB

Start Split Split Stop Reset

release

Measurement between

two competitors

Finish (First runner)

Finish (Second runner)

ABA BB

Start Split Stop Split Reset

release

Accumulated elapsed time

measurement

Can repeat by de-

pressing button “B”.

[Movement of the hands during

measurement]

When more than 10 minutes have elapsed after

the stopwatch is started, the second hand stops at

“0” position, and the 1/10 second hand moves

back and forth every second starting from “0”

position, to indicate that the stopwatch is measuring.

* In that case, the hands will indicate the measured

time immediately if the split time is measured

or the stopwatch is stopped.

• Even when more than 10 minutes have elapsed,

the 1/10 second hand and second hand are moving

normally to show the elapsed time in the following

cases.

• When the mode is changed from another to

the stopwatch mode.

• When split time is released or measurement is

restarted. In each case, the hands move normally

for approximately 10 minutes.

• While the timer warning sound beeps, the stop-

watch hands stop moving. However, the stop-

watch continues correct measurement. Split

time measurement and stop of the stopwatch

are also possible.

• While the hands are moving automatically in

the following cases, the stopwatch button operation

can be made correctly.

• After the stopwatch is reset;

• After the mode is changed over to the stopwatch

mode from another; and

• After the split time is released.

• When measurement exceeds 12 hours, the hands

stop at “0” position. If the split time is being

measured and the measurement exceeds 12 hours,

the hands will be reset to “0” position.

■ HOW TO USE THE TACHYMETER

(For the models with tachymeter scale)

• Use the tachymeter with the stopwatch.

STOPWATCH mode

Stopwatch operation (Standard measurement)

To start : Press “A”.

To stop : Press “A”.

To reset : Press “B”.

To measure the hourly average speed of a

vehicle

• Use the stopwatch to determine how many seconds

it takes to go one kilometer (or one mile). The

tachymeter scale indicated by the stopwatch

second hand gives the average speed per hour.

Ex. 1)

If it takes 40 seconds to go one kilometer (or one

mile), the stopwatch second hand indicates “90”

on the tachymeter scale. This means that the

average speed of the vehicle is 90 kilometers (or

miles) per hour.

Ex. 2)

If the measuring distance is extended to 2 kilometers

(or miles) or shortened to 0.5 kilometers (miles),

multiply the figure on the tachymeter scale by 2

or 0.5, respectively.

Note: The tachymeter is also useful in calculating

machine production amount per hour in a

factory.

A B

Standard measurement

AAA AB

Start Stop Restart Stop Reset

Accumulate repeatedly by

depressing button “A”.

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Lorus N945 Manual

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