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500 LAP STOPW A TCH
Model No.: SL928M
USER’S MANUAL
INTRODUCTION
Congratulations on your purchasing the SL928M 500 Lap Stopwatch. A reliable
timepiece for an active lifestyle, the SL928M is equipped with additional functions
such as a multi-step pacer, count-down and count-up timer, and EL back light.
MAIN FEATURES
Refer to (FIG.1).
A. [ LAP/RESET ] BUTTON
Registers a lap or resets, reset stop watch and timer, changes or decreases a
value
] BUTTON
B. [
Operates the back light
C. [ MODE ] BUTTON
Changes an operating mode or enters a setting procedure
D . [ START/STOP ] BUTTO N
Starts or stops the stopwatch, timer or pacer, changes or increases a value
E. [ RECALL ] INDICATOR
Indicates the RECALL function is active
F. [ LAP ] INDICATOR
Indicates the number of laps
G. [
] INDICAT OR
Indicates the PACER mode
] INDICATOR
H. [
Indicates the TIMER mode
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I. [ ] INDICAT OR
Indicates the daily alarm is active
J. [ SEGMENT ] INDICATOR
Indicates the number of segments in a counting
] INDICATOR
K. [
Indicates the AUTO LIGHT function is active
] INDICAT OR
L. [
Indicates the lap time
M. [
] INDICAT OR
Indicates the split time
N. [
] INDICAT OR
Indicates the CHRONO mode
O. [
P. [ FREE ] INDICATOR
Q. SAFETY CORD
] INDICAT OR
Indicates the accumulated time
Indicates the effective memory left for laps
Secures the unit for holding in the hand or wearing it around the neck
DISPLA Y MODES
Refer to (FIG. 2).
BACK LIGHT AND AUTO LIGHT
Refer to (FIG. 3).
] to turn on the back light for five seconds. To activate the AUTO LIGHT
Press [
function, press and hold [
deactivate it. When the function is active, pressing any button will turn on the
back light for five seconds.
] for two seconds. Press and hold [ ] again to
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HOW TO SET THE CALENDAR CLOCK
Refer to (FIG. 4).
Note:
a. Clock in either 24-hour or 12-hour (with “a” and “p” indication) format.
b. Calendar year can be set between 2000 to 2099. The unit will automatically
recognize the day of the week.
c. Minute digit will be auto-advanced by one digit if second is reset after 30 sec.
HOW TO USE THE CHRONOGRAPH
Refer to (FIG. 5).
1. Press [ MODE ] to display the CHRONO mode.
2. To register a segment, press [ LAP/RESET ].
3. Press [ STAR T ] to start counting. The stopwatch can count up to 23 hours, 59
minutes and 59.99 seconds before starting from zeros again.
4. Press [ STOP ] to stop counting. To resume, press [ ST AR T ]. A new lap count
will start.
5. Or press [ LAP/RESET ]. The last lap number will appear and the LAP and
SPLIT time display will freeze for 5 seconds. The [
indicating the stopwatch is still running in the background.
6. Press [STOP] to stop counting.
7. Repeat the last three steps to register other laps. The stopwatch can register up
to 500 laps.
8. Press [LAP] after stopping to clear the display and register another segment.
Note:
a. The stopwatch can register up to 99 segments.
b. 99 segments share with total 500 lap memories.
c. The effective memory left for laps will be reduced as the number of registered
segments increase.
d. The free memory remained will be shown on the display when a segment is
registered.
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] indicator will flash
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e. Chronograph mode can be run at the background when the stopwatch is started
and go to the other display mode.
f . Stopwatch function operates even, if all segment and lap memory is used up.
HOW TO SELECT THE CHRONOGRAPH IN UNITS OF
HOURS, MINTUES OR SECONDS
Refer to (FIG. 6).
Note:
a. Four different chronograph units of display: hour:minute:second with 1/100
sec. resolution, second with 1/100 sec. resolution; hour with 1/100000 hr
resolution and minute with 1/1000 min resolution.
b. Different segment can have different chronograph unit of display.
c. Within each segment it is allowed only one single unit of display.
HOW TO RECALL CHRONOGRAPH RECORDS
Refer to (FIG. 7).
Note:
a. The last recorded segment will be displayed with its time and date stamp when
advance from chronograph mode.
b. Two beeping sounds will be heard to indicate the end of lap record for each
segment.
HOW TO ERASE CHRONOGRAPH RECORDS
Refer to (FIG. 8A / FIG. 8B).
Note: The record of the current running chronograph cannot be deleted.
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HOW TO USE THE TIMER
Refer to (FIG. 9) for timer setting mode.
Refer to (FIG. 10) for timer running mode.
Note:
a. There are three modes of operation that can be chosen : CS (count down and
stop), CU (count down and count up) or CR (count down, automatic reload
and repeat).
b. The maximum count down or count up time is 23 hours, 59 minutes and 59
seconds. A pre-alert tone will be emitted at five second before completion of a
count cycle and an alert tone will be emitted for 10 sec. upon the completion of
a count cycle. Press any button to mute the alert tone.
c. Once started the Timer can be running in the background even if the unit is in
a different display mode.
HOW TO USE THE P ACER
Refer to (FIG. 11).
Note:
a. Pacer range from 30 to 240 at five-step intervals, i.e. number of beeping sound
to be heard will be range from 30 beep per minute to 240 beep per mintue.
b. Pacer can be run simultaneously with Chronograph mode. Beeping sound will
be heard and flashing “PACER” icon will be seen during the stopwatch running
mode if pacer is activated.
HOW TO USE THE DAIL Y ALARM
Refer to (FIG. 12).
Note:
a. The alarm will be automatically activated during the setting procedure.
b. When the alarm is active, an alert tone will go off at 30 seconds. Press any key
to mute the tone.
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AUTO RETURN
In all setting procedures, the unit will automatically save all changes and return
to the previous operating mode if no button is pressed for 30 seconds.
HOW TO USE THE SAFETY CORD
Refer to (FIG. 13).
1. Thread the safety cord through the safety cord holder on the unit.
2. Loop and tighten the cord until it is in place.
BA TTERY INFORMA TION
Refer to (FIG. 14).
The unit uses a CR2032 lithium 3V battery, which is installed in the factory for
you. Under normal circumstances, the battery is good for years. Should you need
to change the battery,
1. Open the battery compartment door.
2. Insert the battery according to the polarities shown therein.
3. Replace the battery compartment door.
Note:
Change the battery when the display becomes dim.
PRECAUTIONS
This unit is engineered to give you years of satisfactory service if handled carefully.
1. Do not immerse the unit in water.
2. Do not clean the unit with abrasive or corrosive materials.
3. Do not subject the unit to snow or excessive force, shock, dust, temperature or
humidity.
4. Do not tamper with the unit’s internal components.
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SPECIFICATIONS
Real time clock : 12/24 hour with hour/minute/second
Stop watch : 00:00:00 to 23:59:59 (hrs:min:sec)
Timer: : 00:00:00 to 23:59:59 (hrs:min:sec)
Pacer : 30-240 beeps per minute
Power : 1 pc CR2032 3V battery
Operating temperature : -10
Storage temperature : -20
Weight : 52 g (1.83 ounces i.e. Including battery)
o
C to +50oC (14oF to 122oF)
o
C to +60oC (-4oF to 140oF)
CUSTOMER ASSISTANCE
Should you require assistance regarding this product and its operation, please
contact our customer care department at 541-868-8205 or via email at
helpme@oscientific.com.
W ARRANTY
This product is warranted to be free of manufacturing defects for a period of 3
months from date of retail purchase. Defective product should be directed to the
Should this not be possible, contact our customer care department for
assistance and a return material authorization. No returns may be made without
a return authorization. Please retain your retail receipt as you may be asked to
This warranty does not cover product subjected to abuse, misuse,accidental
Upon return of the defective product, Oregon Scientific will at its discretion,
replace the product with either a new or a tested reconditioned product.
Should the product be out of warranty, the consumer may purchase directly from
Oregon Scientific a replacement at reasonable cost plus shipping and handling.
place of retail purchase for exchange.
provide a copy of it for proof of date purchased.
damage or tampering.
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LEGEND : ITALIC - PRESS
ITALIC - PRESS & HOLD FOR 2 SEC.
F
LEGENDE : ITALIQUES - APPUYER
ITALIQUES - APPUYER PENDANT 2 SEC.
D
LEGENDE : KURSIV - DRÜCKEN
KURSIV - 2 SEKUNDEN LANG DRÜCKEN
I
LEGENDA : CORSIVO - PREMERE
CORSIVO - TENERE PREMUTO PER DUE SECONDI
ES
CLAVE : CURSIVAS - PULSE
CURSIVAS - PULSE Y SOSTENGA POR 2 SEG.
P
LEGENDAS : ITÁLICO - PRESSIONAR
ITÁTICO - RESSIONAR DURANTE DOIS SEGUNDOS
- FLASHING
- FAST ADVANCE
- CLIGNOTE
- AVANCE RAPIDE
- BLINKT
- SCHNELLER VORLAUF
- LAMPEGGIANTE
- AVANZAMENTO RAPIDO
- PARPADEA
- AVANCE RAPIDO
- LUZ INTERMITENTE
- AVANÇAR RAPIDAMENTE
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