1. Ti pariview
The Casio LA20WH Series Digital Watch is designed for everyday use, offering reliable timekeeping with additional features such as a stopwatch, daily alarm, and LED backlight. Its compact and durable resin construction ensures comfort and longevity. This manual provides detailed instructions for setting up and operating your watch.

Figure 1: Casio LA20WH Series Digital Watch (Black/Black variant)
2. Key Awọn ẹya ara ẹrọ
- Ifihan Aago oni-nọmba: Hours, Minutes, Seconds, AM/PM.
- Kalẹnda alaifọwọyi: Displays Month, Date, and Day of the Week.
- 1/100 aago iṣẹju-aaya keji: Fun wiwọn akoko deede.
- Itaniji Ojoojumọ: Audible alert at a set time.
- Imọlẹ LED: Illuminates the display for visibility in low light conditions.
- Omi Resistance: Suitable for everyday splashes and rain.
- Igbesi aye batiri gigun: O fẹrẹ to ọdun 5.
3. Wo irinše
Familiarize yourself with the main components and buttons of your Casio LA20WH watch:

olusin 2: Iwaju View (dudu)

olusin 3: Iwaju View (Pink/White variant)
- Ifihan: Shows time, date, day, and other function indicators.
- Bọ́tìnì Ìpo (Òsì-Ìsàlẹ̀): Cycles through different modes (Timekeeping, Alarm, Stopwatch).
- Light Button (Right-Bottom): Activates the LED backlight. Also used for resetting stopwatch or adjusting settings.
- Start/Stop Button (Right-Top): Used to start/stop the stopwatch or adjust settings.
- Okùn: Durable resin strap with a buckle clasp.
4. Eto
4.1 Ṣiṣeto Aago ati Ọjọ
- Ni Ipo Itọju akoko, tẹ bọtini naa Ipo button three times until the seconds digits start flashing. This indicates you are in setting mode.
- Tẹ awọn Bẹrẹ/Duro button to cycle through the settings: Seconds → Hour → Minutes → Month → Date → Day of Week.
- Lo awọn Imọlẹ button to increase the flashing value. Hold it down to change values rapidly.
- Ni kete ti gbogbo eto ba tọ, tẹ bọtini naa Ipo bọtini lati jade ni ipo eto.
4.2 12/24-Hour Format Selection
Ni Ipo Itọju akoko, tẹ bọtini naa Bẹrẹ/Duro button to toggle between 12-hour and 24-hour (military) time formats.
5. Awọn ilana Iṣiṣẹ
5.1 Ipo Itọju akoko
This is the default mode, displaying the current time, date, and day of the week. To return to this mode from any other mode, press the Ipo button until the current time is displayed without any flashing digits.
5.2 Ipo aago iṣẹju-aaya
The stopwatch measures elapsed time in 1/100-second units.
- Lati Ipo Itọju akoko, tẹ bọtini naa Ipo bọ́tìnì lẹ́ẹ̀kan láti wọ Ipò Àago Ìdádúró. Ìfihàn náà yóò fi '00:00:00' hàn.
- Tẹ awọn Bẹrẹ/Duro bọtini lati bẹrẹ aago iṣẹju-aaya.
- Tẹ awọn Bẹrẹ/Duro bọtini lẹẹkansi lati da aago iṣẹju-aaya duro.
- To reset the stopwatch to '00:00:00', press the Imọlẹ bọ́tìnì nígbà tí a dúró aago ìdádúró.

Figure 4: Stopwatch Function
5.3 Ipo Itaniji
Set a daily alarm to sound at a specific time.
- Lati Ipo Itọju akoko, tẹ bọtini naa Ipo button twice to enter Alarm Mode. The display will show the alarm time.
- Tẹ awọn Bẹrẹ/Duro button to toggle the alarm ON/OFF. An alarm indicator will appear/disappear.
- Lati ṣeto akoko itaniji, tẹ awọn Ipo button while in Alarm Mode until the hour digits flash.
- Lo awọn Imọlẹ bọtini lati ṣatunṣe awọn wakati. Tẹ Bẹrẹ/Duro lati gbe si awọn iṣẹju, lẹhinna lo Imọlẹ lati ṣatunṣe awọn iṣẹju.
- Tẹ awọn Ipo bọtini lati jade kuro ni ipo itaniji.

Figure 5: Alarm Function
5.4 Imọlẹ LED
To illuminate the display, press the Imọlẹ button. The light will stay on for a few seconds.
6. Itọju
6.1 Omi Resistance
Your Casio LA20WH watch is rated as Water Resistant, meaning it can withstand splashes, rain, and brief immersion in water (e.g., washing hands). It is not recommended for swimming, diving, or prolonged water exposure. Do not operate buttons while the watch is wet.

Figure 6: Water Resistance Indicator
6.2 Batiri Rirọpo
The watch is powered by one Lithium Metal battery, with an approximate life of 5 years. When the display becomes dim or functions become erratic, it may be time for a battery replacement. It is recommended to have the battery replaced by a qualified watch technician to ensure proper sealing and maintain water resistance.
6.3 Ninu
Wipe the watch with a soft, dry cloth to remove dirt and moisture. For stubborn grime, a slightly damp cloth can be used, followed by immediate drying. Avoid using chemical cleaners or solvents.
7. Laasigbotitusita
| Isoro | Ojutu |
|---|---|
| Ifihan ti ṣofo tabi baibai. | Battery may be low. Replace the battery. |
| Akoko ko tọ. | Tọkasi Abala 4.1 lati tun akoko ati ọjọ to. |
| Itaniji ko dun. | Ensure the alarm is activated in Alarm Mode (Section 5.3). Check battery level. |
| Awọn bọtini ko dahun. | Ensure the watch is dry. If problem persists, battery may be low or a reset may be needed (consult Casio support). |
8. Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Nọmba awoṣe | LA20WH-1C |
| Ifihan Iru | Oni-nọmba |
| Ohun elo ọran | Resini |
| Ohun elo Band | Resini |
| Case Opin | 30 millimeters |
| Ọran Sisanra | 10 millimeters |
| Omi Resistance | Water Resistant (suitable for splashes) |
| Orisun agbara | Agbara Batiri (Batiri Lithium Metal 1 to wa) |
| Igbesi aye batiri | Isunmọ. ọdun meji 5 |
| Pataki Awọn ẹya ara ẹrọ | LED Light, Auto Calendar, 1/100 Sec Stopwatch, Daily Alarm |
9. Atilẹyin ọja ati Support
Your Casio LA20WH Series Digital Watch comes with a manufacturer's warranty. For detailed information regarding warranty coverage, service, or additional support, please visit the official Casio webojula tabi kan si wọn onibara iṣẹ Eka. Tọju iwe-ẹri rira rẹ bi ẹri rira.
Fidio 1: Pariview of Casio Women's Classic Watch (Model: LA-20WH-1CCF). This video demonstrates the watch's design and basic features.