1. Úvod
This manual provides essential instructions for the proper use and maintenance of your Casio Pro Trek PRG-270-1 Tough Solar Digital Sport Watch. This timepiece is equipped with Casio's advanced Triple Sensor Version 3 technology, offering precise measurements for altitude, barometric pressure, temperature, and digital compass readings. Its Tough Solar power system ensures reliable operation by converting light into energy, eliminating the need for frequent battery replacements. Designed for outdoor enthusiasts, the watch also features 100-meter water resistance and low-temperature resistance.

Obrázek 1: Přední strana view of the Casio Pro Trek PRG-270-1 watch.
2. Nastavení
2.1 Počáteční poplatek
Your watch is powered by a solar rechargeable battery. Upon first use or after prolonged storage, expose the watch face to bright light (sunlight or fluorescent light) for several hours to ensure a full charge. The battery level indicator (H, M, L) on the display shows the current charge status.
2.2 Time Setting and Format
To set the current time and date, or to switch between 12-hour and 24-hour formats:
- V režimu měření času stiskněte a podržte tlačítko UPRAVIT button (top-left) until 'SET' appears and your Home City code starts flashing.
- Stiskněte tlačítko MODE button (bottom-left) twice to navigate to the 12H/24H setting.
- Použijte ALTI button (bottom-right) to toggle between 12-hour and 24-hour display formats.
- Stiskněte tlačítko UPRAVIT button twice to save your selection and exit the setting mode.
2.3 Home City and Daylight Saving Time (DST)
To set your Home City and adjust Daylight Saving Time:
- V režimu měření času stiskněte a podržte tlačítko UPRAVIT button until 'SET' appears and your Home City code starts flashing.
- Použijte KOMP button (top-right) or ALTI button (bottom-right) to select your desired Home City code.
- Stiskněte tlačítko MODE button to cycle through other settings until 'DST' appears.
- Použijte ALTI button to toggle DST 'ON' or 'OFF'.
- Stiskněte tlačítko UPRAVIT button twice to save your selection and exit the setting mode.
3. Provozní režimy
3.1 Digitální kompas
The Digital Compass mode provides direction and bearing readings. Ensure the watch is held level for accurate readings.
- V libovolném režimu stiskněte KOMP button (top-right) to enter Digital Compass Mode.
- The display will show the current direction (e.g., N, S, E, W) and degree value. The thickest arrow indicates North.
- To set a bearing memory (a target direction), point the watch in the desired direction and press the UPRAVIT button (top-left). The bearing will be displayed.
- To clear a bearing memory, press the UPRAVIT znovu tlačítko.
- The compass will take readings for 60 seconds before pausing. Press KOMP znovu pokračovat.
3.2 Barometer and Thermometer
The watch can measure barometric pressure and temperature. For accurate temperature readings, remove the watch from your wrist and allow it to stabilize for 20-30 minutes to avoid body heat interference.
- V libovolném režimu stiskněte BARO button (middle-right) to enter Barometer/Thermometer Mode.
- The display will show the current barometric pressure and temperature.
- To adjust the thermometer value (calibration):
- In Barometer/Thermometer Mode, press and hold the UPRAVIT button until the temperature value starts flashing.
- Použijte KOMP button to decrease the value or the ALTI tlačítko pro zvýšení hodnoty.
- To reset to factory default, press and hold both the KOMP a ALTI buttons simultaneously until 'OFF' appears, then release.
- Stiskněte tlačítko UPRAVIT tlačítko pro uložení a ukončení.
3.3 Odpočítávací časovač
The Countdown Timer can be set from 1 minute up to 24 hours and runs in the background.
- V režimu měření času stiskněte tlačítko MODE button (bottom-left) repeatedly until 'TMR' (Timer) appears.
- Stiskněte a podržte UPRAVIT button until the hour value starts flashing.
- Použijte KOMP button to decrease the hour value or the ALTI tlačítko pro zvýšení.
- Stiskněte tlačítko MODE button to switch to minute setting, then adjust using KOMP/ALTI.
- Stiskněte tlačítko UPRAVIT button to save the timer setting.
- To start/pause the timer, press the ALTI button. To reset, press the KOMP tlačítko během pauzy.
3.4 Alarmy a Hourly Časový signál
The watch features 5 daily alarms (4 one-time, 1 snooze) and an hourly časový signál.
- V režimu měření času stiskněte tlačítko MODE button repeatedly until 'ALM' (Alarm) appears.
- Použijte KOMP or ALTI buttons to cycle through AL-1 to AL-4, SNZ (Snooze Alarm), and SIG (Hourly Time Signal).
- To set an alarm time:
- While the desired alarm (e.g., AL-1) is displayed, press and hold the UPRAVIT button until the hour value starts flashing.
- Použijte KOMP or ALTI tlačítka pro nastavení hodiny.
- Stiskněte tlačítko MODE button to switch to minute setting, then adjust using KOMP/ALTI.
- Stiskněte tlačítko UPRAVIT tlačítko pro uložení času budíku.
- Chcete-li zapnout budík nebo hourly signal ON/OFF, select it and press the BARO button (middle-right). 'ON' or 'OFF' will be displayed.
3.5 Automatické podsvícení
The Full Auto LED (Super Illuminator) Backlight can be set to activate automatically when you tilt your wrist towards you.
- V režimu měření času stiskněte a podržte tlačítko SVĚTLO button (bottom-center) for about 3 seconds.
- 'LT' will appear on the display, indicating that the Auto Light feature is enabled.
- To disable, press and hold the SVĚTLO button again until 'LT' disappears.
3.6 Backlight Duration
You can adjust the duration the backlight stays on (1.5 seconds or 3 seconds).
- V režimu měření času stiskněte a podržte tlačítko UPRAVIT button until 'SET' appears and your Home City code starts flashing.
- Stiskněte tlačítko MODE button repeatedly until 'LIGHT' appears.
- Použijte ALTI button to toggle between '1' (1.5 seconds) and '3' (3 seconds).
- Stiskněte tlačítko UPRAVIT button twice to save your selection and exit the setting mode.
4. Údržba
4.1 Battery Level and Power Saving
The watch features a solar rechargeable battery. The battery level indicator (H: High, M: Medium, L: Low) is displayed on the watch face. When the battery level is low (L), some functions may be disabled. Expose the watch to light to charge it.
The Power Saving Function automatically turns off the display when the watch is left in the dark for a certain period to conserve power. The display will reactivate when exposed to light or a button is pressed.
4.2 Water and Temperature Resistance
The PRG-270-1 is 100-meter water resistant, suitable for swimming and snorkeling, but not for scuba diving. It is also low-temperature resistant down to -10°C (14°F).
4.3 Čištění a péče
Regularly wipe the watch with a soft, dry cloth to remove dirt and moisture. Avoid using chemical cleaners. If the watch comes into contact with saltwater, rinse it thoroughly with fresh water and dry it completely.
5. Řešení problémů
- Nepřesné hodnoty senzorů: Ensure the watch is level for compass readings. For temperature, remove from wrist and allow stabilization. Calibrate sensors as needed (refer to full manual for detailed calibration steps).
- Prázdný displej: The Power Saving Function may have activated. Expose the watch to light or press any button. If the battery level is 'L', charge the watch.
- Tlačítka nereagují: The watch may be in a specific mode or the battery might be extremely low. Try charging or resetting the watch (refer to full manual).
For more detailed troubleshooting, please refer to the comprehensive user manual available on the Casio official webmísto.
6. Specifikace
| Číslo modelu | PRG270-1 |
| Výrobce | Casio |
| Materiál | Pryskyřice |
| Rozměry produktu | 0.59 x 0.59 x 0.59 palce |
| Hmotnost položky | 8.47 unce |
| Voděodolnost | 100 metrů |
| Odolnost proti nízkým teplotám | -10 °C (14 °F) |
| Typ baterie | Solar Rechargeable Battery (1 CR2 battery included) |
| Approx. Battery Life (full charge) | 9 months (without further exposure to light) |
7. Záruka a podpora
This product is covered by a manufacturer's warranty. For specific warranty details, service, or additional support, please visit the official Casio webnebo se obraťte na jejich zákaznický servis. Uschovejte si doklad o koupi pro případ reklamace.





