Stopwatch Functions
How to enter stopwatch mode
1. Press the MODE button until display scrolls to the stopwatch mode
(upper display flashes “SUN FRI SAT”) .
2. If the stopwatch is not at 0:00:00, press LAP/RESET to clear
stopwatch.
Start/stop timing
1. To start stopwatch, press the START/STOP button.
2. To stop stopwatch, press the START/STOP button again.
NOTE: For time in/time out timing, continue to press the
START/STOP button each time you want to restart timing.
3. To clear stopwatch, press the LAP/RESET button.
Split timing
1. To start stopwatch, press the START/STOP button.
2. To pause stopwatch, press the LAP/RESET button. Record the
split time shown on display.
NOTE: The paused time will hold on the display, but the
stopwatch is still timing.
3. To view count up again, press the LAP/RESET button again.
4. Continue to press the LAP/RESET button each time you want to
acquire more split times.
5. To stop stopwatch, press the START/STOP button.
6. To clear stopwatch, press the LAP/RESET button twice.
Fast finish (1-2) timing
1. To start stopwatch, press the START/STOP button.
2. To hold stop #1, press the LAP/RESET button.
NOTE: The paused time for stop #1 will hold on the display, but the
stopwatch is still timing.
3. To hold stop #2, press the START/STOP button.
4. Record the time for stop #1 (currently on display).
5. To display stop #2, press LAP/RESET. Record the time for stop #2.
6. To clear stopwatch, press LAP/RESET a second time.
Calculator Functions
How to turn calculator on and off
1. Press the ON/C button to turn on the calculator.
A “0” will appear on the lower part of the display.
2. The solar-powered calculator automatically turns off after
9 minutes of nonuse.
NOTE: The MODE, START/STOP and LAP/RESET buttons
do not perform any calculator functions.
How to use count up function
The =/COUNT UP key performs an exponential addition or
multiplication function.
NOTE: This key does not perform any stopwatch functions.
Example: to determine 4
5
, first press 4, then x. Next, press the
COUNT UP key four times to get 1024. Every time you press the
COUNT UP key the number will be exponentially multiplied.
How to use % key
To use percent key, enter a number, than a function (i.e. + or x), then
your percent number, then the percent sign.
Examples: 360 x 45% = 162
360 – 15% = 306
Tech Board Specifications
Timing modes: single event, start/stop or split timing
Timing capacity: 24 hours
Resolution: 0.01 sec up to 30 min, then 1 sec afterwards
Accuracy: 1 sec
Direction: up
Display: two-line LCD;
1
⁄
4
"H digits
Alarm: 1 min
Power: solar cells
Dimensions: 9"W x 13
3
⁄
4
"H x 1"D
Shpg wt: 1 lb (0.45 kg)
For more information, contact your
OAKTON distributor.
Warranty
This OAKTON
®
TECH BOARD
™
is warrantied to be free from signifi-
cant deviations in material and workmanship for a period of six
months from date of purchase. If repair or adjustment is necessary
and has not been the result of abuse or misuse within the six month
period, please return—freight pre-paid—and correction will be made
without charge. We alone will determine if the product problem is due
to deviations or customer misuse. Out of warranty products will be
repaired on a charge basis.
Return of Items
Authorization must be obtained from your OAKTON
®
distributor
before returning items for any reason. When applying for authoriza-
tion, please include data regarding the reason the items are to be
returned. NOTE: We reserve the right to make improvements in
design, construction, and appearance of products without notice.
OAKTON—Reg TM #1,692,543.
How use memory function
Use the memory function to add and subtract complicated equations.
When values are in memory, a “M” will appear above the calculator
display.
1. Press the MRC key twice to clear memory contents.
Press ON/C to clear display.
2. Enter your calculations. After you enter an addition
calculation, press M+. After you enter a subtraction
calculation, press M–. NOTE: Do not press =.
3. When you are done, press MRC to view your total.
Example: to perform (120 x 24) – (21 x 40) + (5 x 25), press
120 x 24 M+
(2880)
21 x 40 M–
( 840)
5 x 25 M+
( 125)
then press MRC to total
2165
How to correct entry errors
1. To correct wrong key entry during calculation,
press CE button once and continue with new key entry.
2. To clear calculator, press ON/C.
