RS PRO Precision Stopwatch
User's Instruction
Thank you for your purchase of this delicate stopwatch.
The utmost care has gone into the design and manufacture. Please read the manual carefully and keep it for further reference.
FEATURES
- Display time, month, date, day of the week
- Daily alarm
- Temperature
- Year of calendar range: 2000-2050
- 199 laps/splits times
- 60 laps/splits memory records
- 10 hours countdown time
- Water resistant
PRODUCT DESCRIPTIONS AND FUNCTION KEYS
PRODUCT DESCRIPTIONS AND FUNCTION KEYS
1. RECALL key:
- In normal time, alarm time and countdown mode, press and hold it for 2 seconds to enter setting mode.
- In setting mode, press it to save and exit the setting.
- In lap/split mode, press it to check the records.
2. SPLIT/RESET key:
- In normal mode, press it to display temperature for 2 minutes.
- In lap/split mode, press it to reset the value.
- In normal time, alarm time and countdown setting mode, press it to step the setting items.
3. LIGHT key:
- Press to turn on the backlight for 7 seconds.
4. MODE key:
- When displaying temperature, press it to switch to Month/Date and Day of the week.
- Press it to switch between normal time mode, lap mode, split mode, countdown mode and alarm mode.
- In setting mode, press it to save and exit setting.
5. START/STOP key:
- When displaying temperature, press it to switch between Celsius and Fahrenheit.
- In normal mode, press and hold it for 2 seconds to turn on/off the key tone (♪).
- In alarm mode, press it to turn on/off the alarm function (?).
- In lap/split/countdown mode, press it to start or stop counting.
- In setting mode, press it to increase the setting value. Press it without releasing to speed up setting.
DISPLAY SYMBOLS
Normal Time Mode
- 1. Month
- 2. Date
- 3. Key tone icon (♪)
- 4. Day of the week
- 5. Time
Example: (mo) 12-28 12:38:59 PM
Temperature Display
- 1. Temperature
Example: TEMP -23.5 12:38:59
Alarm Time Mode
- 1. Normal time
- 2. Alarm time
- 3. Alarm icon (?)
- 4. Alarm mode
Example: P 12:38:59 AM 6:00 AL
Lap Mode
- 1. Lap number
- 2. Stopwatch
- 3. Current lap time
Example: 1 0:00:02.35
Split Mode
- 1. Split number
- 2. Stopwatch
- 3. Current split time
Example: 1 0:00:02.35
Countdown Mode
- 1. Countdown circle times
- 2. Countdown timer
- 3. Countdown time
Example: 1 10:08:00 0:06:55
LAP TIME MEASUREMENT
Through this function, you can know the time spent in every lap. For example, if you want to measure 3-lap time, do the following:
- In normal mode, press MODE key to enter lap mode. Press SPLIT/RESET key to clear the record.
- Press START/STOP key to start to measure the lap time.
- Press SPLIT/RESET key for 3 times to record the time of lap 1, lap 2 and lap 3.
- Press START/STOP key to save the measurement data.
- Press MODE key to exit the lap time measurement mode.
Example of lap time measurement:
Start: 0:00:00.00
Lap 1: 0:00:02.35 (Lap 1)
Lap 2: 0:00:06.55 (Lap 2)
Lap 3: 0:00:07.66 (Lap 3)
Stop: 0:00:18.30
SPLIT TIME MEASUREMENT
Through this function, you can know the whole split time from the beginning. For example, if you want to measure 3-split time, do the following:
- In normal mode, press MODE key twice to enter split mode. Press SPLIT/RESET key to clear the record.
- Press START/STOP key to start to measure the split time.
- Press the SPLIT/RESET key for 3 times to record the time of split 1, split 2 and split 3.
- Press START/STOP key to save the measurement data.
- Press MODE key to exit the split time measurement mode.
Example of split time measurement:
Start: 0:00:00.00
Split 1: 0:00:02.35 (Split 1)
Split 2: 0:00:08.90 (Split 2)
Split 3: 0:00:16.56 (Split 3)
Stop: 0:00:18.30
RECALLING THE LAP/SPLIT RECORDS
- Measure the lap/split time as described in the previous sections.
- Press RECALL key to enter recall mode, with the icon "SPLIT RECALL" displaying on the LCD.
- Press SPLIT/RESET or START/STOP key to check the time records upwards or downwards.
- Press MODE / RECALL key to return to the lap/split mode.
Example records:
10:235-Lap 1 time 0:00:02.35
0:00:02.35-Split 1 time
20:00:06.55-Lap 2 time 0:00:08.30-Split 2 time
30:00:07.65-Lap 3 time 0:00:16.56-Split 3 time
Note:
- The sports timer can display up to 199-lap/split time records, but only memory the first 60 records.
- The lap and split time records will be displayed together when you recall the lap or split records.
COUNTDOWN TIME SETTING
- In normal mode, press MODE key thrice to enter the countdown mode.
- Press RECALL key for 2 seconds until the Hour digit flashes.
- Press START/STOP key to increase the value of the flashing digit.
- Press SLPIT/RESET key to proceed to the next setting. Setting sequence will be: Hour > Minute > Second.
- Press RECALL or MODE key to save and exit the setting mode, or let it exit automatically 60 seconds later without pressing any key.
Example of setting:
Hour setting: 00:00:00
Minute setting: 00:00:00
Second setting: 00:00:00
Note:
- The maximum time you set can be 9:59'59"00.
- After the setting, press START/STOP key to start or stop the countdown. It can be operated for 199 times and the countdown cycle times will be displayed on the LCD.
- The default countdown time is 0:00'00"00 (10 hours). Without setting the countdown time, the countdown timer can also be operated by pressing START/STOP key.
TIME AND CALENDAR SETTING
- In normal mode, press and hold RECALL key for 2 seconds until the Second digit flashes.
- Press START/STOP key to change the value of the flashing digit.
- Press SPLIT/RESET key until the Minute digit flashes. Press START/STOP key to set its value.
- Repeat above 3 in this order: Second > Minute > Hour > 12/24Hr > Month > Date > Year.
- Press MODE key to save and exit the setting, or let it exit automatically 60 seconds later without pressing any key.
Example of setting:
Second setting: 12:38:59
Minute setting: 12:38:59
Hour setting: 12:38:59
12/24 Hr setting: 12:38:59
Month setting: 12-28
Date setting: 12-28
Year setting: 2028
Note: For second setting, press START/STOP key to change the value to 00; while for the latter setting items, press START/STOP key to increase the values.
ALARM TIME SETTING
- In normal mode, press MODE key four times to enter the alarm time mode.
- Press and hold RECALL key for 2 seconds until the Hour digit flashes.
- Press START/STOP key to increase the value of hour.
- Press SPLIT/RESET key to proceed to Minute setting; press START/STOP key to increase its value.
- Press MODE key to save and exit setting mode, or let it exit automatically 60 seconds later without pressing any key.
Example of setting:
Hour setting: 6:00
Minute setting: 6:00
Note:
- The alarm will be automatically turned on after you set the alarm time.
- Press any key to stop the ringing bell. The sound duration is 60 seconds.
KEY TONE SETTING
In normal mode, press and hold START/STOP key for 2 seconds to turn on the key tone with the icon (♪) displaying on the LCD. Press and hold START/STOP key for 2 seconds again to turn off the key tone. The icon disappears.
BATTERY REPLACEMENT
If there is no display on the LCD or if the display becomes dim, remove the screws in the back of the unit and replace with one new CR2032 battery according to the polarity mark.
Note: Attention! Please dispose of the used unit or batteries in an ecologically safe manner. ♻️
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