Instruction Manual

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SEIKO DIGITAL STOPWATCH Cal. S058

NOTES ON THE BATTERY

● Do not remove the battery from the stopwatch.

● If it is necessary to take out the battery, keep it out of the reach of children. If a child swallows it, consult a doctor immediately.

● Never short-circuit, heat or otherwise tamper with the battery, and never expose it to fire. The battery may burst, become very

hot or catch fire.

● The battery is not rechargeable. Never attempt to recharge it, as this may cause battery leakage or damage to the battery.

WARNING

NOTES ON THE STRAP

● The stopwatch has a strap for wearing it around your neck. Take good care lest it should be caught by something near you

or wind around your neck.

● Please also note that the strap may damage your clothes, or injure your hands, neck or other parts of your body.

You are now the proud owner of a SEIKO Digital Stopwatch Cal. S058. For best results, please read the

instructions in this booklet carefully before using your SEIKO Digital Stopwatch. Please keep this manual handy

for ready reference.

TO PRESERVE THE QUALITY OF YOUR STOPWATCH

● WATER RESISTANCE (5 bar)

Your stopwatch is designed and manufactured to withstand up to 5

bar, such as accidental contact with splashes of water or rain. Do not

operate the buttons when the stopwatch is wet or in water.

● TEMPERATURES

If the stopwatch is left in direct sunlight for a long time, the display

may become black, but this condition will be corrected when the

stopwatch returns to normal temperature.

Do not leave your stopwatch in very low temperatures below -10ºC

(+14ºF) for a long time since the cold may cause:

a. a slight time loss or gain.

b. the change of digits to become slow.

c. the display light to dim.

However, the above conditions will be corrected when the stopwatch

returns to normal temperature.

● SHOCKS

Do not subject it to violent shocks.

● MAGNETISM

Your stopwatch will not be affected by magnetism.

● CHEMICALS

Be careful not to expose the stopwatch to solvents, mercury, cosmetic

spray, detergents, adhesives or paints. Otherwise, the case, etc. may

become discolored, deteriorated or damaged.

● PERIODIC CHECK

It is recommended that the stopwatch be checked once every 2 to 3

years. Have your stopwatch checked by an AUTHORIZED SEIKO

DEALER or SERVICE CENTER to ensure that the case, buttons, gasket

and crystal seal remain intact.

● PRECAUTION REGARDING CASE BACK PROTECTIVE FILM

If your stopwatch has a protective film and/or a sticker on the case back,

be sure to peel them off before using it.

● STATIC ELECTRICITY

The IC (Integrated Circuit) used in your stopwatch will be affected by

static electricity which may disturb the display. Keep your stopwatch

away from close contact with objects such as TV screens which emit

strong static electricity.

● LIQUID CRYSTAL PANEL

The normal life expectancy for a liquid crystal panel is approximately

7 years. After that it may decrease in contrast, becoming difficult to

read.

Please contact your AUTHORIZED SEIKO DEALER or SERVICE CENTER

if you wish to have a new panel fitted (guaranteed one year).

The SEIKO quartz Stopwatch Cal. S058 is a digital stopwatch featuring a lap/split time memory function that can store and recall up to 100 lap/split time data.

A double repeat timer function, a time/calendar function as well as a daily alarm function are also provided. In addition, it has a built-in LED backlight that enables

you to view the display in darkness.

FEATURES

■ STOPWATCH

The stopwatch can measure up to 100 hours in 1/100 seconds.

■ LAP TIME, LAP TIME IN PROGRESS AND SPLIT TIME DISPLAYS

Three separate stopwatch displays are available for lap time, lap time in progress and split time

measurements.

■ MEMORY FUNCTION

Up to 100 lap/split time data can be stored in memory, and they can be recalled either during or after the

measurement.

■ TIME/CALENDAR

Year, month, day, date, hour, minutes and seconds are displayed.

The calendar automatically adjusts for odd and even months including February of leap years from January

1, 2006 to December 31, 2055.

■ DOUBLE REPEAT TIMER

• The built-in two descending timers (which allow you to set two different timer times) can be used

repeatedly one after the other.

• Each Timer 1 and Timer 2 can be set for any desired amount of time from 10 seconds up to 99 hours,

59 minutes and 59 seconds in one-second increments.

• For easy distinction between Timer 1 and Timer 2, the time-up warning beeps are different in tones.

■ ALARM

The daily alarm sounds once at the designated time (hour, minute) every 24 hours.

■ BUILT-IN LED LIGHT

By pressing the designated button once, the light illuminates the display for approximately 3 seconds.

Through the light guide panel, the light from the LED (Light Emitting Diode) is evenly dispersed over the

entire display.

■ AUTOMATIC SHUT-OFF FUNCTION (ECO)

When the stopwatch is left untouched for one hour, the display automatically becomes blank in order to

minimize battery consumption.

DISPLAY AND BUTTONS

Built-in LED light

Press Button E to turn the

light on for approximately 3

seconds.

Summary of content (5 pages)

PAGE 1
SEIKO DIGITAL STOPWATCH Cal. S058 You are now the proud owner of a SEIKO Digital Stopwatch Cal. S058. For best results, please read the instructions in this booklet carefully before using your SEIKO Digital Stopwatch. Please keep this manual handy for ready reference. WARNING NOTES ON THE BATTERY ● Do not remove the battery from the stopwatch. ● If it is necessary to take out the battery, keep it out of the reach of children. If a child swallows it, consult a doctor immediately.
PAGE 2
CHANGE OF DISPLAYS Press Button D to change the display mode. STOPWATCH display TIME/CALENDAR display STOPWATCH display D D D D D D ALARM display * STOPWATCH display TIMER display If Buttons A, B, C and D are pressed at the same time, all the data in memory will be erased. Refer to "HOW TO RESET THE BUILT-IN IC" on page 5 for further details. TIME/CALENDAR SETTING D Press to show the TIME/CALENDAR display.
PAGE 3
STOPWATCH OPERATION B A C ● Before using the stopwatch, be sure to reset the digits to “00.” When the stopwatch is stopped, press Button A. When it is counting, press Button C to stop the measurement and then press Button A. D Standard measurement D Press to show the LAP TIME, LAP TIME IN PROGRESS or SPLIT TIME display. STOP A RESET Accumulated elapsed time measurement D * C C STOP RESTART A RESET Restarting and stopping the stopwatch can be repeated by pressing Button C.
PAGE 4
DOUBLE REPEAT TIMER ● Two timers are available for use either individually or in combination. When used together, Timer 2 starts counting down as soon as Timer 1 has finished counting down the set time. They repeat their respective countdown cycles alternately as many times as necessary unless stopped. ● Each Timer 1 and Timer 2 can be set for any desired amount of time from 10 seconds up to 99 hours, 59 minutes and 59 seconds in one-second increments.
PAGE 5
HOW TO STOP THE ALARM MANUALLY WHILE SOUNDING ● The alarm sounds for approximately 20 seconds at the designated time and automatically stops. ● Press any of buttons A, B, C, or D to stop the alarm while sounding. * If the alarm time coincides with time-up time while the double repeat timer is counting, the time-up beep is activated first.