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                                        Rev-0  2014.8.21  11:45  A.M.

Operation condition

Select order

Operation

In speed timer mode, press 

D

 to clear 

all values.

Press 

C

 

Display icon

Upwards

Downwards

Choose SEP or ALL

Speed timer mode

Set unit and distance

Press 

D

Press 

A

Press 

D

Press 

A

Press 

D

Start

Speed timer mode

First lap

Second lap

Third lap

Fourth lap & Stop

Lap time measurement

Split time measurement

NOTE:

Lap is the amount of time from the previous reading while SPLIT is the amount of accumulated 
time from the start of the event.

MEMORY RECALL OF STOPWATCH

●   

When the record of lap or split is more than 1, press 

C

 to read the records.

●   

Press 

C

 to check the records in this sequence: 

     

Maximum lap/split>slowest lap/split>average lap/split>split speed>

    records upwards or downwards. 
     Press and hold 

C

 to speed up checking.

OPERATING THE SPEED TIMER

Please note your SC-889 Speed Timer will not operate if the Stopwath is not reset 
to all zeroes.  If the word "Speed" does not appear, refer to the Stopwatch Section 
for instructions how to Reset to all zeroes.

●   

In stopwatch mode, press 

to clear stopwatch value ,then press 

B

, “

                

     displays for 2 seconds and enter speed timer mode.

●   

Press and hold 

C

 for 3 seconds to enter speed timer setting mode. 

●   The maximum distance is 999.999km (mile).
●   Maximum speed is 999.999km/h(MPH), when the calculating speed exceeds

     this value, “

Error

” displays with beeping, and time continues counting.

●   

The speed timer can display up to 999 times of speed, and recorded the last 180

     

times. For example, if the current display is 250th speed, then 71 to 250 speeds

     are recorded.

●   

Speed timer accuracy:  0~59minutes 59seconds: 1/100 seconds

                       60minutes ~23 hour 59minute 59second: 1 second

●   The maximum record time of speed timer is 24 hour, and when total record time 

     reaches 23 hour 59minute 59second, speed timer stops record automatically. In
     this case, the values need to clear before start new records. 

SELECT MEMORY RECALL  DIRECTION FOR SPEED TIMER

SET SPEED TIMER OPTIONS

●   

In speed timer mode, press 

D

 to clear all the values.

●   

Press and hold 

C

 for 3 seconds to enter speed timer setting mode, unit digit (KM

     /MILE) flashes. Press 

E

 to adjust it.

●   

Press 

B

 to step the next item, and press 

E

 to adjust it.

     The setting sequence will be: 
     

KM/MILE> hundreds of distance> tens of distance>units of distance> percentiles

     of distance>deciles of distance> quantiles of distance>SEP/ALL 

●   

Press 

C

 to confirm and exit setting.

NOTE: 

For  SEP(separate)  and  ALL  setting,  it  is  OK  to  choose  either  of  them,  as  they  make  no 

difference to speed timer function. 

USING THE SPEED TIMER

Using this function, you can record the spend of each lap of fixed 

distance.

For example, if you measure 4 lap time of the fixed distance, operate as follows:
●   In speed timer mode, press 

D

 to clear the values.

●   Press 

A

 to start counting, with “

RUN

” icon displaying on LCD.

●   Press 

D

 to record the time you spend on each lap when you finish first lap, 

     second lap and third lap.

●   Press 

A

 to record the fourth lap and stop measurement, with "

STOP

" icon 

     displaying on LCD.

READ RECORDS OF SPEED TIMER

●   

When the record of speed is more than 1, press 

C

 to read the records.

●   

Press 

C

 to check the records in this sequence:

     

Maximum speed>slowest speed >average speed > speed records upwards 

     or downwards. 
     Press and hold 

C

 to speed up checking.

ACTIVATING THE BACKLIGHT

In any mode, press and hold 

B

 for 3 seconds will turn on backlight for 5 seconds. 

Use the backlight only as necessary to save on the battery life.

BATTERY REPLACEMENT

If there is no display on the LCD or the display becomes dim, remove the screws at 
the back of the unit and replace with a new CR2032 battery at once.

NOTE:

Attention! Please dispose of the used unit or battery in an ecologically safe manner.

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