Casio PRG-550-1A1
Casio Pro Trek PRG-550-1A1 Tough Solar Watch User Manual
Model: PRG-550-1A1
Ọrọ Iṣaaju
This manual provides detailed instructions for the operation and maintenance of your Casio Pro Trek PRG-550-1A1 Tough Solar watch. Please read this manual carefully to ensure proper use and to fully utilize its advanced features, including digital compass, altimeter, barometer, and thermometer functions.
1. Ni ibẹrẹ Oṣo
1.1 Ngba agbara si iṣọ naa (Oorun Alakikanju)
Your watch is equipped with a solar charging system. Before initial use, expose the watch face to bright light for several hours to ensure it is sufficiently charged. Avoid covering the watch face during charging. A low battery indicator may appear if the charge is insufficient.

Aworan 1: Iwaju view of the Casio Pro Trek PRG-550-1A1 watch, showing the solar panel on the dial.
1.2 Setting the Home City and Time
- Ni Ipo Itọju akoko, di mọlẹ ṢAtunṣe button until the city code starts to flash.
- Lo awọn MODE ati Imọlẹ awọn bọtini lati yan koodu Ilu Ile ti o fẹ.
- Tẹ ṢAtunṣe láti jẹ́rìí sí ìlú náà.
- Lo awọn MODE button to cycle through other settings like DST (Daylight Saving Time), 12/24-hour format, seconds, hour, minute, year, month, and day. Adjust each setting using the Imọlẹ ati MODE awọn bọtini.
- Tẹ ṢAtunṣe lati jade kuro ni ipo eto.
2. Awọn ọna ṣiṣe
Agogo naa ni awọn ipo lọpọlọpọ ti o wa nipasẹ awọn MODE button and dedicated sensor buttons.
2.1 Ipo Itọju akoko
This is the default mode, displaying the current time, day, and date. The analog hands show the current time, while the digital display can show various information depending on settings.
2.2 Digital Compass Mode (COMP Bọtini)
Tẹ awọn COMP button to enter Compass Mode. The watch will display the current bearing (north, south, east, west) and a graphic representation of the direction. For accurate readings, ensure the watch is held level and away from strong magnetic fields.

Aworan 2: Isunmọ view highlighting the digital display and sensor buttons.
2.3 Barometer/Thermometer Mode (BARO Bọtini)
Tẹ awọn BARO button to display atmospheric pressure and temperature. Temperature readings are most accurate when the watch is removed from the wrist for at least 20-30 minutes to avoid body heat interference.
2.4 Altimeter Mode (ALTI Bọtini)
Tẹ awọn ALTI button to measure altitude. The altimeter uses a pressure sensor, so readings can be affected by changes in atmospheric pressure due to weather. For best accuracy, calibrate the altimeter frequently using a known altitude reference.
2.5 Other Modes (via MODE Bọtini)
- Àkókò Àgbáyé: Displays the current time in various major cities around the world.
- Aago iṣẹju-aaya: Awọn wiwọn akoko ti o ti kọja, awọn akoko pipin, ati awọn ipari meji.
- Aago: A kika aago iṣẹ.
- Itaniji: Ṣeto awọn itaniji ojoojumọ.
3. Itọju
3.1 Gbigba agbara
To maintain optimal performance, ensure the watch is regularly exposed to light for charging. Prolonged storage in darkness can deplete the battery and affect functionality. Refer to the power indicator on the digital display to monitor charge level.
3.2 Omi Resistance
The PRG-550-1A1 is water resistant to 10 ATM (100 meters). This means it is suitable for swimming and snorkeling. Do not operate buttons while the watch is submerged in water. Avoid exposing the watch to hot water or steam, as this can compromise the seals.
3.3 Ninu
Mu aago naa nu pẹlu asọ ti o tutu, ti o gbẹ. Fun idoti agidi, lo asọ rirọ dampened pẹlu omi ati ki o kan ìwọnba didoju detergent, ki o si mu ese gbẹ. Yago fun lilo awọn aṣoju iyipada bi tinrin tabi benzine, nitori wọn le ba awọn paati resini jẹ.

Aworan 3: Ẹyin view of the watch, displaying the "WR10BAR" water resistance marking.
4. Laasigbotitusita
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Watch is not charging or display is blank. | Àìsí ìfarahàn ìmọ́lẹ̀ tó. | Expose the watch face to bright light for an extended period. Ensure the solar panel is not obstructed. |
| Akoko ko tọ. | Incorrect Home City setting or manual time adjustment error. | Re-set your Home City and manually adjust the time as described in Section 1.2. |
| Sensor readings (compass, altimeter, barometer) are inaccurate. | Interference from magnetic fields, rapid weather changes, or need for calibration. | Move away from electronic devices or metal objects. Calibrate the sensor according to the specific mode's instructions. For altimeter, calibrate with a known altitude. |
| Awọn bọtini ko dahun. | Watch may be in a locked state or battery is extremely low. | Ensure the watch is adequately charged. If submerged, do not press buttons. If problem persists, perform a full reset (refer to Casio support for specific reset procedures). |
5. Awọn pato
- Awoṣe: Casio Pro Trek PRG-550-1A1
- Orisun Agbara: Oorun Tough (Agbara Oorun)
- Omi Resistance: 10 ATM (100 mita)
- Awọn sensọ:
- Digital Compass (Azimuth measurement)
- Barometer (Atmospheric pressure measurement)
- Altimeter (Altitude measurement)
- Thermometer (Temperature measurement)
- Akoko: Analog and Digital display
- Awọn iṣẹ afikun: World Time, Stopwatch, Countdown Timer, 5 Daily Alarms, Hourly Time Signal, Battery Level Indicator, Full Auto LED Light with Afterglow.
6. Atilẹyin ọja ati Support
For warranty information, please refer to the warranty card included with your purchase. In case of issues not covered by this manual, or for service and repair, please contact your authorized Casio dealer or visit the official Casio support webojula. Jeki ẹri rira rẹ fun awọn iṣeduro atilẹyin ọja.
Casio osise Webojula: www.casio.com
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.