Wstęp
This manual provides comprehensive instructions for the operation and maintenance of your Ultrak 490L Stopwatch. Designed for precision timing, this device features an LED backlight, 100 dual split recallable memory, and a large 3-row display, making it suitable for various timing needs. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your stopwatch.
Główne cechy
- LED Backlight for visibility in low-light conditions.
- 100 Dual Split Recallable Memory for tracking multiple splits and laps.
- Large 3-Row Display for clear and simultaneous viewing of split, lap, and total times.
- Measures up to 10 hours, accommodating long events.
- Stroke/Frequency Mode for specialized timing applications.
- Time and Calendar Display for everyday utility.
- Water Resistant construction for durability in various environments.
Organizować coś
The Ultrak 490L Stopwatch comes ready for use with a pre-installed lithium battery. No initial setup is typically required beyond familiarizing yourself with the buttons and modes.
Inspekcja wstępna
Upon receiving your stopwatch, inspect it for any visible damage. Ensure all buttons are responsive and the display is clear. If any issues are found, refer to the Troubleshooting section or contact customer support.

Rysunek 1: Przód view of the Ultrak 490L Stopwatch. This image displays the stopwatch's main screen with its three rows, indicating split, lap, and total time, all set to zero. The buttons for LAP/SPLIT/RESET, RECALL, START/STOP, and MODE/LIGHT are visible around the display. The "ULTRAK 490L" branding and "WATER RESISTANT" text are also clearly shown at the bottom.
Instrukcja obsługi
1. Basic Stopwatch Function (Start, Stop, Reset)
- Czas rozpoczęcia: Naciśnij START/STOP przycisk (w prawym górnym rogu), aby rozpocząć odliczanie czasu.
- Stop Timing: Naciśnij START/STOP Naciśnij przycisk ponownie, aby wstrzymać timer.
- Resume Timing: Naciśnij START/STOP button to continue from where it was paused.
- Zresetuj timer: While the timer is stopped, press the OKRĄŻENIE/PODZIAŁ/RESET button (top left) to reset the display to 0:00'00''00.
2. Lap/Split Timing
The stopwatch can record up to 100 dual split times, displaying both lap and split times simultaneously.
- Start: Naciskać START/STOP zacząć.
- Record Split/Lap: Naciskać OKRĄŻENIE/PODZIAŁ/RESET to record a split time. The display will momentarily show the split time, while the main timer continues running in the background. The bottom row will show the current lap time.
- Kontynuować: The stopwatch will automatically return to displaying the running total time after a few seconds, or you can press OKRĄŻENIE/PODZIAŁ/RESET again to immediately update the display to the next split.
- Zatrzymać: Naciskać START/STOP to end the timing session.

Rysunek 2: Z bliska view of the Ultrak 490L Stopwatch, highlighting the buttons and the multi-row display. This image helps identify the 'LAP/SPLIT/RESET' button on the top left, 'RECALL' on the top center, 'START/STOP' on the top right, and 'MODE/LIGHT' on the bottom right. The display shows numerical values, indicating it is in an active timing or memory recall state.
3. Wspomnienie
The stopwatch can store up to 100 split/lap times. These can be recalled even during an ongoing timing session.
- Enter Recall Mode: Naciśnij PRZYPOMNIENIE SOBIE CZEGOŚ button (top center).
- Navigate Memory: Użyj OKRĄŻENIE/PODZIAŁ/RESET button to scroll forward through recorded splits/laps.
- Exit Recall Mode: Naciśnij PRZYPOMNIENIE SOBIE CZEGOŚ button again to return to the current timing display or time mode.
4. Time and Calendar Mode
Do view the current time and date:
- Tryb przełączania: Naciśnij TRYB/ŚWIATŁO button (bottom right) to cycle through different modes until the time and calendar are displayed.
- Ustawianie czasu/daty: W trybie czasu naciśnij i przytrzymaj TRYB/ŚWIATŁO button until the digits flash. Use OKRĄŻENIE/PODZIAŁ/RESET aby dostosować wartości i START/STOP to move to the next setting. Press TRYB/ŚWIATŁO aby potwierdzić i wyjść.
5. Stroke/Frequency Mode
This mode is used to measure strokes per minute or frequency.
- Enter Stroke Mode: Naciśnij TRYB/ŚWIATŁO button until "STROKE" or "FREQ" appears on the display.
- Rozpocznij pomiar: Naciskać START/STOP.
- Liczenie uderzeń: Naciskać START/STOP for each stroke or cycle. The stopwatch will calculate and display the average stroke/frequency.
- Zatrzymaj pomiar: Naciskać START/STOP to stop counting.
- Reset: Naciskać OKRĄŻENIE/PODZIAŁ/RESET to clear the measurement.
6. Podświetlenie LED
To activate the LED backlight for improved visibility:
- Naciśnij i przytrzymaj TRYB/ŚWIATŁO button for approximately 2 seconds. The backlight will illuminate for a short period.
Konserwacja
- Czyszczenie: Przetrzyj stoper miękką szmatką.amp płótno. Nie używaj ostrych środków chemicznych ani ściernych środków czyszczących.
- Wodoodporność: The Ultrak 490L is water resistant. This means it can withstand splashes and brief immersion. However, it is not designed for prolonged underwater use or diving. Avoid pressing buttons while submerged to prevent water ingress.
- Wymiana baterii: The stopwatch uses a lithium battery. When the display becomes dim or unresponsive, the battery may need replacement. This should ideally be performed by a qualified technician to maintain water resistance.
- Składowanie: Store the stopwatch in a cool, dry place away from direct sunlight and extreme temperatures.
Rozwiązywanie problemów
| Problem | Możliwa przyczyna | Rozwiązanie |
|---|---|---|
| Wyświetlacz jest ciemny lub pusty. | Niski poziom naładowania baterii. | Wymień baterię litową. |
| Przyciski nie reagują. | Tymczasowy błąd oprogramowania lub niski poziom naładowania baterii. | Try resetting the stopwatch (if possible, by removing and reinserting the battery, or pressing a recessed reset button if available). If not, replace the battery. |
| Wnikanie wody po wystawieniu na działanie wody. | Buttons pressed while submerged or seal compromised. | Discontinue use. Allow to dry completely. If issues persist, contact customer support. Avoid pressing buttons underwater. |
| Wyświetlany jest nieprawidłowy czas/data. | Data/czas są ustawione nieprawidłowo. | Refer to "Time and Calendar Mode" instructions to set the correct time and date. |
Specyfikacje
- Model: 490L
- Marka: Ultrak
- Wymiary (dł. x szer. x wys.): 0.75 x 2.5 x 3.25 cala
- Kolor: Czarny
- Tworzywo: Plastik i guma
- Pamięć: 100 Dual Split Recallable Memory
- Wyświetlacz: Large 3-Row Display with LED Backlight
- Pojemność czasowa: Do 10 godzin
- Funkcje: Stopwatch, Lap/Split Timing, Memory Recall, Time/Calendar, Stroke/Frequency
- Wodoodporność: Tak
- Bateria: Lithium (type not specified, typically CR2032 or similar)
- Producent: CEI-Ultrak
Gwarancja i wsparcie
For specific warranty information, please refer to the documentation included with your purchase or visit the official Ultrak website. If you encounter any issues not covered in this manual or require further assistance, please contact Ultrak customer support.
Producent: CEI-Ultrak