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INSTRUCTION MANUAL
STOPWATCH DT280
FEATURES:
CHRONOGRAPH
Display of Section and Total Lap.
Measure up to 9 hours 59 minu6tes 59.99
seconds.
8 Recallable Lap time Memories.
Lap counter counting up to 99
TIMER
Countdown Timer, maximum 10 hours count
down.
30 seconds shuttle countdown for time out.
PACEMAKER
From 0.1sec/beat (600 beats/min.)
Beat counter counting up to 99.
CHRONOGRAPH OPERATION
Depress D to select the operating mode.
The 'CHRONO' indicator is shown. Depress A
to start.
Depress B to read the lap time. The lap
time (section lap) is shown at upper row, the
split time (total elapsed time) is shown lower
row.
* After 10 seconds the display will
automatically be released to show the running
Lap time at the top row and the running Total
time at the lower row, The LAP counter
automatically advances by 1.
Depress B to latch the second split time.
Depress A to stop counting.
If A is depressed within 10 sec. I.e. before
the display is released to running, depress B to
read total time and the last lap time.
* If lap time is greater than 59'59"99. Lap
counter will blank out to allow for the display
of hour.
Depress C to recall last lap data (memory
can only be recalled when chronograph is
stopped).
Depress C to again to recall 2nd lap data.
Depress C again to recall the 3rd memory
data (since in this example the stopwatch is
stopped after 2nd lap, the stopped time is
stored in the 3rd memory local on and the
STOP indicator is also displayed.) Up to 8
stored lap lime data can be recalled by
depressing C.
Depress B to reset CHRONO and clear
up all memories.
TIMER OPERATION
Depress D to select the timer mode. The
indicator is shown. The hour digit is flashing
and ready for setting. Press B to select digits
and A to set digit. Digit will be advanced by + 1
for every depression of A. When the last 2
digits are set. Depress B to complete the
preset process. The upper and lower row will
show the same preset time.
The 2 digits under the COUNT indicator
is a counter to record the number of
completed preset time cycles. (Count will be
blanked out it preset time is greater than or
equal to 1 hour).
Start / stop timer by depressing A.
When the timer is at the "STOPPED"
condition depress C will immediate start a 30
sec. Countdown, which is displayed at the top
row. At the end of this 30 sec. a long beep will
be generated.
Depress C while this countdown is in
progress will terminate it and the display will
return to its original condition.
Down-counting will continue by
depressing A.
At 30 seconds before timer reaches zero.
4 short beeps will be generated to indicate
there is still 30 sec. to go.
When the timer reaches zero, 10 long
beeps will sound.
Timer will restart automatically from the
pre-setting time after countdown is finished.
PACER OPERATION
In the TIMER mode, if the preset is <=30
sec., only 1 short beep will sound when the
countdown reaches zero
Since
automatically recycles as soon as it reaches
zero. A beeping sound with a period can be
generated. The pacer can be set from a period
of 0.1 sec (600 beats/minute) to 30 sec (2
beats/minute).
CARE OF YOUR STOPWATCH:
*WATER RESISTANCE
The stopwatch is designed to withstand accidental
contact with water such as splashes or raindrops,
but it is not designed for use in water. Do not
operate the buttons when the stopwatch is wet.
*TEMPERATURE
Do not leave your stopwatch under direct sunlight
or in very high temperatures for a long time, the
display may become black. Do not leave your
stopwatch in very low temperature as this may
cause a slight time loss or gain and the change of
digits becomes slow. In both cases the above
conditions will be corrected when the stopwatch
returns to normal temperature.
*SHOCKS
Be careful not to drop your stopwatch or hit it
against hard surfaces as it may cause a
mechanical damage.
*STATIC ELECTRICITY
The integrated circuit in your stopwatch can be
affected by static electricity. If the static electricity
is very strong a permanent damage can occur. Be
careful of the screen of the TV set and the
wearing of clothing made of synthetic material in
dry weather; in such cases a very strong static
electricity can be generated.
*MAGNETISM
Not affected
*CHEMICALS
Do not expose your stopwatch to solvents
such as gasoline and alcohol, spray of
cosmetics, cleaners, paints etc as they may
cause damage to the stopwatch.
*BATTERY CHANGE
When the display becomes dim of faded out,
battery replacement is necessary.
1. Unscrew and remove back cover.
2. Unscrew the battery contact.
3. Replace with fresh lithium battery CR2032
or equivalent.
4. Before putting in the fresh battery makes
sure that the triangular contact is in the
triangular slot under the battery.
5. Do not use a small metal tool (such as a
tweezer
of
screw
driver)
momentarily short circuit the AC pad at the
lower side of the battery.
6. Rescrew the back cover.
Use a battery of quality.
THE WARRANTY DOES NOT
COVER THE BATTERY.
the
timer
as
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