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INSTRUCTION MANUAL
DT500
FEATURES:
- Hour, minute, seconds, month,
date, day and alarm 12/24 hour
and month/date or date/month
display user selectable
- 500 memories
- Segregated memory (capability
to memorize LAP times of different
races)
- User Selectable LAP/SPLIT or
LAP/SPEED display
- Average and best lap time display
- Automatic release of LAP time after
10 seconds to allow progress
monitoring.
- Data can be printed by printer (DT
500P optional) at operation or
selectively by race later
- Data can be uploaded to computer
through upload cable with software
(cable and software optional)
- Dual timers which start one after
another for use in training programs
- Can be used as ordinary countdown
timer if 2nd timer is not set
TIME SETTING:
1.
Press C to go to the TIME
MODE (fig 24).
2.
Press and hold B button
will go into the TIME SET mode
with the AL HOUR blinking.
3.
Press A to set the AL
HOUR.
4.
Press B to select digits in
the following sequence: AL HR,
AL MIN first digit, AL MIN 2nd
digit, AL OFF/ON, YEAR last
digit, YEAR 1st digit, MONTH,
DATE, 12/24HR selection,
HOUR, MIN 1st digit, MIN 2nd
digit, and SECONDS.
5.
Press A to set the
blinking digits.
6.
Pressing C any time
during this setting sequence will
complete the setting procedure
and return to the normal TIME
display. If 12HR option is
selected the calendar will be
shown as MONTH/DATE/YEAR
and time will be displayed in 12
HOUR system. If 24HR option
is selected, the calendar will be
displayed as
DATE/MONTH/YEAR and time
will be displayed in 24HOUR
system. The calendar
automatically adjusts for
weekday and odd and even
months including February of
leap years up to year 2089.
7.
Press D in the TIME
mode to arm or disarm the
alarm. When the alarm is
armed the alarm indicator will
be turned on and the alarm will
sound at the preset alarm time.
CHRONOGRAPH OPERATION:
1. Press C to go to the
CHRONOGRAPH MODE. The display
as shown in Fig. 2.
2. Before start, choose your display
SPEED DISPLAY:
1. In the CHRONO MODE before the
start of a race, push and hold B for 2
seconds will go to the SPEED SET
mode as is shown in Fig.14.
2. The first digit in the lowest row is
flashing to indicate setting of the
thousandth digit of distance.
3. Push A to set and B to select the
next digits. The highest setting for
distance is 9999.999.
4. After the digits are set press B
again to set the TIME unit with the top
left corner HR flashing.
5. Use A to set to HR (for /hour), MIN
(for /minute) or SEC (for /second).
6. When the distance and time unit
are set, press C button to return to the
SPEED MODE (Fig. 15). (Pushing C
button anytime during the setting will
return to the SPEED mode).
7. Press A to start, the display is as
shown in Fig.16.
8. Press B to get the 1st LAP time at
the top row and the speed at the
middle row, as shown in Fig.17.
9. If for example the distance is set to
200 meters and time unit set is in
seconds, the speed calculated from a
LAP time of 17.09 seconds is 11.70
m/sec. [Using the B button the LAP
times and their corresponding speeds
can be displayed. Recall operations in
the SPEED mode are the same as in
the LAP/SPLIT mode.]
SPLIT TIME DISPLAY:
1. Press B to get the 1st LAP time.
The LAP time is shown at the top row,
the SPLIT time at the middle row and
the running total time is shown at the
lower row, as shown in Fig.3.
2. 10 seconds later the display will
automatically be released to show the
running LAP and SPLIT times to allow
the user to keep track of progress, as
shown in Fig. 4.
3. Press B to display the 2nd LAP
time.
4. Press A to stop.
5. Press B to reset and be ready for
the next race, as shown in Fig. 7. The
counter at the top left corner displays
the memory left for further races.
6. Further races can be recorded by
pressing A and B buttons as above.
Since 5 memories are used for
memorizing the date and number of
the race, the memory left will be 1993
as shown below.