Oregon Scientific SL928D User manual

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100 LAP STOPWATCH
MODEL NO.: SL928D
User Manual
INTRODUCTION
Congratulations on your purchasing the SL928D 100 Lap Stopwatch. A reliable
timepiece for an active lifestyle, the SL928D 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
B. [ ] BUTTON
Operates the back light
C. [ MODE] BUTTON
Changes an operating mode or enters a setting procedure
D. [ START/STOP] BUTTON
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. [ CHRONO ] INDICATOR
Indicates the CHRONO mode
H. [ ] INDICATOR
Indicates the daily alarm is active

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I. [ ] INDICATOR
Indicates the accumulated time
J. [ SEGMENT] INDICATOR
Indicates the number of segments in a counting
K. [ ] INDICATOR
Indicates the AUTO LIGHT function is active
L. [ ] INDICATOR
Indicates the lap time
M. [ PACER ] INDICATOR
Indicates the PACER mode
N. [TIMER ] INDICATOR
Indicates the TIMER mode
O. [ ] INDICATOR
Indicates the split time
P. [ FREE ] INDICATOR
Indicates the effective memory left for laps
Q. SAFETYCORD
Uses to secure the unit on hand or hanging the unit around the neck
DISPLAY MODES
Refer to (FIG.2).
BACKLIGHTANDAUTOLIGHT
Refer to (FIG.3).
Press [ ]to turnon theback lightfor fiveseconds.To activatetheAUTOLIGHT
function, press and hold [ ] for two seconds. Press and hold [ ] again to
deactivate it. When the function is active, pressing any button will turn on the
back light for five seconds.

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TIMEANDCALENDARDISPLAY
Refer to (FIG.4).
HOWTO SET THECALENDAR CLOCK
Refer to (FIG.5).
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.
HOWTO USETHECHRONOGRAPH
Refer to (FIG.6).
1. Press [ MODE ] to display the CHRONO mode.
2. To register a segment, press [LAP/RESET].
3. Press [ START] 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 [START].A new lap count
will start.
5. Or press [ LAP/RESET ]. The last lap number will appear and the display will
freeze for five seconds. The [ CHRONO ] indicator will flash 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 100 laps.
8. Press [ LAP/RESET ] after stopping to clear the display and register another
segment.
Note:
a. The stopwatch can register up to 30 segments.
b. 30 segments share with total 100 lap memories.

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c. The effective memory left for laps will be reduced as the number of registered
segments increased.
d. The free memory remained will be shown on the display when a segment is
registered.
e. Chronograph mode can be run at the background when the stopwatch is started
and go to the other display mode.
f. Stopwatch can still be operated of all segment on lap memory is being
used up.
HOW TO SELECT THE CHRONOGRAPH IN UNITS OF
HOURS, MINTUES OR SECONDS
Refer to (FIG.7).
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.
HOWTORECALLCHRONOGRAPHRECORDS
Refer to (FIG.8).
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 heart to indicate the end of lap record for each
segment.
HOWTO ERASE CHRONOGRAPHRECORDS
Refer to (FIG. 9A / FIG. 9B).
Note: The record of the current running chronograpy cannot be deleted.

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HOWTOUSETHETIMER
Refer to (FIG. 10) for timer setting mode.
Refer to (FIG. 11) for timer running mode.
Note:
a. There are three modes of operation 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. Timer can be run at the background when the timer is started and go to the other
mode of display.
HOWTOUSETHEPACER
Refer to (FIG.12).
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.
HOWTOUSETHE DAILYALARM
Refer to (FIG.13).
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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AUTORETURN
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.14).
1. Thread the safety cord through the safety cord holder on the unit.
2. Loop and tighten the cord until it is in place.
BATTERYINFORMATION
Refer to (FIG.15).
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 strictly 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 : 1pcs CR2032 3V battery
Operating temperature : -10oC to +50oC (14oF to 122oF)
Storage temperature : -20oC to +60oC (-4oF to 140oF)
Weight : 52 g (including battery)
ABOUTOREGON SCIENTIFIC
Visit our website (www.oregonscientific.com) to learn more about Oregon Scientific products
such as digital cameras; MP3 players; children’s electronic learning products and games;
projection clocks; health and fitness gear; weather stations; and digital and conference phones.
The website also includes contact information for our customer care department in case you
need to reach us, as well as frequently asked questions and customer downloads.
We hope you will find all the information you need on our website, however if you’d like to
contact the Oregon Scientific Customer Care department directly, please visit:
www2.oregonscientific.com/service/support
OR
Call 949-608-2848 in the US.
For international enquiries, please visit:
http://www2.oregonscientific.com/about/international/default.asp

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GB LEGEND : ITALIC - PRESS
ITALIC - PRESS & HOLD FOR 2 SEC.
- FLASHING
- FAST ADVANCE
LEGENDAS : ITÁLICO - PRESSIONAR
ITÁTICO - RESSIONARDURANTE DOIS SEGUNDOS
- LUZINTERMITENTE
-AVANÇAR RAPIDAMENTE
P
DLEGENDE : KURSIV - DRÜCKEN
KURSIV - 2 SEKUNDEN LANG DRÜCKEN
- BLINKT
- SCHNELLERVORLAUF
ILEGENDA : CORSIVO - PREMERE
CORSIVO - TENERE PREMUTO PER DUE SECONDI
- LAMPEGGIANTE
- AVANZAMENTO RAPIDO
FLEGENDE : ITALIQUES - APPUYER
ITALIQUES - APPUYER PENDANT 2 SEC.
- CLIGNOTE
- AVANCE RAPIDE
ES CLAVE : CURSIVAS - PULSE
CURSIVAS - PULSEYSOSTENGA POR2 SEG.
- PARPADEA
- AVANCE RAPIDO

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FIG.
[ FIG. 1 ]

2
FIG.
[ FIG. 2 ]