Oakton WD-35001-85 Tech Board Plus Operating Instructions Manual Download Page 3

4.1 How to enter stopwatch mode

1. Press MODE until display scrolls to the stopwatch mode (upper display flashes “SU FR SA”).
2. If the stopwatch is not at 0:00:00, press LAP/RESET to clear stopwatch. 

4.2 Start/stop timing

1. To start stopwatch, press START/STOP.
2. To stop stopwatch, press START/STOP again.

NOTE: For time in/time out timing, continue to press  START/STOP each time you want to restart timing.

3. To clear stopwatch, press LAP/RESET.

4.3 Split timing

1. To start stopwatch, press START/STOP.
2. To pause stopwatch, press LAP/RESET. 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 LAP/RESET again.
4. Continue to press LAP/RESET each time you want to acquire more split times. 
5. To stop stopwatch, press START/STOP.
6. To clear stopwatch, press LAP/RESET twice. 

4.4 Fast finish (1-2) timing

1. To start stopwatch, press START/STOP .
2. To hold stop #1, press LAP/RESET. 

NOTE: The paused time for stop #1 will hold on the display, but the stopwatch is still timing.

3. To hold stop #2, press START/STOP.
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.

You can set alarm to sound for one minute at a specific time, and/or for a brief time once every hour. 
If the alarm set for a specific time is switched on,  you will see the alarm indicator         in the upper right 
corner of the display. 

3.1 How to set alarm to sound at a specific time

1. Press MODE until the display scrolls to alarm set mode (upper display flashes “MO”).
2. Press LAP/RESET to select hours or minutes.
3. When you have selected the parameter you want to change, hold START/STOP to adjust the clock. 
4. When you have selected the correct alarm time, push MODE to return to time display. 

The alarm indicator should now be on.

3.2 How to switch off alarm set for a specific time

1. Scroll to time/calendar mode (upper display shows 1 nonflashing day).
2. Press LAP/RESET to see the alarm set time.
3. While holding LAP/RESET, press START/STOP .
4. The alarm indicator will switch off.

NOTE: If the alarm was already off, this same action will switch alarm on.

3.3 How to switch on and switch off hourly alarm

1. Scroll to time/calendar mode (upper display shows 1 nonflashing day).
2. Press LAP/RESET.
3. While holding LAP/RESET, press MODE. 
4. If the hourly alarm was on, the entire upper display disappears briefly, and the hourly alarm is now off. 

If the hourly alarm was off, the entire upper display flashes briefly, and the hourly alarm is now on.

NOTE: to stop alarm tone while it is chiming, press any button.

4. Stopwatch
functions

3. Alarm
Functions

3

Summary of Contents for WD-35001-85 Tech Board Plus

Page 1: ...y aligned Handy 30 cm ruler 198 OAKTONTBPlus Instructions 398 Table of contents 1 Clock and Stopwatch buttons page 2 2 Time and Calendar functions page 2 3 Alarm functions page 3 4 Stopwatch functions...

Page 2: ...s MODE to return to the time calendar display The clock and stopwatch are located on the right hand side of the TECH BOARD PLUS clip The power for the clock stopwatch is always on The TECH BOARD PLUS...

Page 3: ...nd time You can set alarm to sound for one minute at a specific time and or for a brief time once every hour If the alarm set for a specific time is switched on you will see the alarm indicator in the...

Page 4: ...to turn the calculator on The calculator is ready for operation When this key is pushed during operation it clears the calculator except for the memory Power off key When this key is depressed the ca...

Page 5: ...mber calculations Ex 3 2 1 Percent key Use for percentage calculation and discount calculation Ex To calculate 25 of 80 perform 80 25 0 25 20 Clear entry key Use to clear an incorrectly entered number...

Page 6: ...ressing these keys lets you specify the number of decimal digits displayed in the result of a calculation You can specify from 0 to 9 decimal digits Ex 11 0 12345 1 35795 3 1 358 The tabulation functi...

Page 7: ...y Pressing this key does not alter the memory contents Memory plus key Press to add the number on the display i e a calculated result to the contents of the memory Ex If the number 50 is stored in mem...

Page 8: ...718281828 Ex 3 1 098612289 Natural antilogarithm key Calculates the antilogarithm base e of the displayed number Ex 3 20 08553692 Square x2 key Calculates a square of the number displayed Ex To calcul...

Page 9: ...a number y to a power x Ex to raise 5 to the 4th power 54 press 5 4 625 Universal square root x y key Calculates the xth root of Y Ex to calculate the 6th root of 64 press 64 6 2 Factorial key The fa...

Page 10: ...e display into equivalent grads If you are in Grads mode pressing these keys will convert the display into equivalent degrees Ex 180 in DEG mode 3 141592654 in RAD mode Trigonometric function key sin...

Page 11: ...degrees or to decimal hours Press to convert a number to degrees minutes seconds or to hours minutes seconds To enter Degrees minutes seconds D MMSSsss where D Degrees M Minutes S Seconds s Fractiona...

Page 12: ...ss to enter statistical data into memory Each time you press the DATA key another statistical sample is entered into memory The display then shows the total number of samples stored in statistical mem...

Page 13: ...the stored data Sample standard deviation key Press to obtain the standard deviation of the sample of data Use when data is taken from a sample of members of a population Population standard deviatio...

Page 14: ...mode lets you add subtract multiply and divide Hexadecimal number mode key Press to set the hexadecimal system mode converts the number displayed into a number in base 16 This mode lets you enter 16 d...

Page 15: ...nthesis symbol Appears when a calculation with parenthesis is performed when the key is pressed Binary mode symbol BIN Appears when the binary system mode is set Octal mode symbol OCT Appears when the...

Page 16: ...TOP button 2 Start stop timing 3 Statistical function keys 12 13 Clear Data key 12 Data key 12 Data mean value key 13 Data sum key 12 Population standard deviation key 13 Sample number key 12 Sample s...

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