1. Introduktion
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.

Figur 1: Forside view of the Casio Pro Trek PRG-270-1 watch.
2. Opsætning
2.1 Indledende opladning
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:
- I tidsvisningstilstand skal du trykke på og holde TILPASSE button (top-left) until 'SET' appears and your Home City code starts flashing.
- Tryk på MODE button (bottom-left) twice to navigate to the 12H/24H setting.
- Brug ALTI button (bottom-right) to toggle between 12-hour and 24-hour display formats.
- Tryk på TILPASSE 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:
- I tidsvisningstilstand skal du trykke på og holde TILPASSE button until 'SET' appears and your Home City code starts flashing.
- Brug COMP button (top-right) or ALTI button (bottom-right) to select your desired Home City code.
- Tryk på MODE button to cycle through other settings until 'DST' appears.
- Brug ALTI button to toggle DST 'ON' or 'OFF'.
- Tryk på TILPASSE button twice to save your selection and exit the setting mode.
3. Driftstilstande
3.1 Digital Compass
The Digital Compass mode provides direction and bearing readings. Ensure the watch is held level for accurate readings.
- From any mode, press the COMP 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 TILPASSE button (top-left). The bearing will be displayed.
- To clear a bearing memory, press the TILPASSE knappen igen.
- The compass will take readings for 60 seconds before pausing. Press COMP igen for at genoptage.
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.
- From any mode, press the 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 TILPASSE button until the temperature value starts flashing.
- Brug COMP button to decrease the value or the ALTI knappen for at øge værdien.
- To reset to factory default, press and hold both the COMP og ALTI buttons simultaneously until 'OFF' appears, then release.
- Tryk på TILPASSE knappen for at gemme og afslutte.
3.3 Nedtællingstimer
The Countdown Timer can be set from 1 minute up to 24 hours and runs in the background.
- Fra tidsvisningstilstand skal du trykke på MODE button (bottom-left) repeatedly until 'TMR' (Timer) appears.
- Tryk og hold på TILPASSE button until the hour value starts flashing.
- Brug COMP button to decrease the hour value or the ALTI knappen for at øge den.
- Tryk på MODE button to switch to minute setting, then adjust using COMP/ALTI.
- Tryk på TILPASSE knappen for at gemme timerindstillingen.
- To start/pause the timer, press the ALTI button. To reset, press the COMP button while paused.
3.4 Alarms and Hourly Tidssignal
The watch features 5 daily alarms (4 one-time, 1 snooze) and an hourly tidssignal.
- Fra tidsvisningstilstand skal du trykke på MODE button repeatedly until 'ALM' (Alarm) appears.
- Brug COMP or ALTI buttons to cycle through AL-1 to AL-4, SNZ (Snooze Alarm), and SIG (Hourly Tidssignal).
- To set an alarm time:
- While the desired alarm (e.g., AL-1) is displayed, press and hold the TILPASSE button until the hour value starts flashing.
- Brug COMP or ALTI knapper for at justere timen.
- Tryk på MODE button to switch to minute setting, then adjust using COMP/ALTI.
- Tryk på TILPASSE button to save the alarm time.
- For at slå en alarm eller hourly signal ON/OFF, select it and press the BARO button (middle-right). 'ON' or 'OFF' will be displayed.
3.5 Automatisk baggrundsbelysning
The Full Auto LED (Super Illuminator) Backlight can be set to activate automatically when you tilt your wrist towards you.
- I tidsvisningstilstand skal du trykke på og holde LYS 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 LYS button again until 'LT' disappears.
3.6 Backlight Duration
You can adjust the duration the backlight stays on (1.5 seconds or 3 seconds).
- I tidsvisningstilstand skal du trykke på og holde TILPASSE button until 'SET' appears and your Home City code starts flashing.
- Tryk på MODE button repeatedly until 'LIGHT' appears.
- Brug ALTI button to toggle between '1' (1.5 seconds) and '3' (3 seconds).
- Tryk på TILPASSE button twice to save your selection and exit the setting mode.
4. Vedligeholdelse
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 Rengøring og pleje
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. Fejlfinding
- Unøjagtige sensoraflæsninger: 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).
- Vis tomt: 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.
- Knapper reagerer ikke: 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 webwebsted.
6. Specifikationer
| Modelnummer | PRG270-1 |
| Fabrikant | Casio |
| Materiale | Harpiks |
| Produktdimensioner | 0.59 x 0.59 x 0.59 tommer |
| Varens vægt | 8.47 ounce |
| Vandmodstand | 100 meter |
| Low Temperature Resistance | -10°C (14°F) |
| Batteritype | Solar Rechargeable Battery (1 CR2 battery included) |
| Approx. Battery Life (full charge) | 9 months (without further exposure to light) |
7. Garanti og support
This product is covered by a manufacturer's warranty. For specific warranty details, service, or additional support, please visit the official Casio webwebstedet eller kontakt deres kundeserviceafdeling. Gem din købsbevis til garantikrav.





