1. Lebihview
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. Ciri-ciri Utama
- Paparan Masa Digital: Hours, Minutes, Seconds, AM/PM.
- Auto Kalendar: Displays Month, Date, and Day of the Week.
- Jam randik 1/100 Saat: Untuk pengukuran masa yang tepat.
- Penggera Harian: Audible alert at a set time.
- Lampu LED: Illuminates the display for visibility in low light conditions.
- Tahan Air: Suitable for everyday splashes and rain.
- Hayat Bateri yang Panjang: Lebih kurang 5 tahun.
3. Komponen Jam Tangan
Familiarize yourself with the main components and buttons of your Casio LA20WH watch:

Rajah 2: Depan View (Hitam)

Rajah 3: Depan View (Pink/White variant)
- paparan: Shows time, date, day, and other function indicators.
- Mode Button (Left-Bottom): 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.
- Tali: Durable resin strap with a buckle clasp.
4. Persediaan
4.1 Menetapkan Masa dan Tarikh
- Dalam Mod Penjagaan Masa, tekan butang Mod button three times until the seconds digits start flashing. This indicates you are in setting mode.
- Tekan ke Mula/Berhenti button to cycle through the settings: Seconds → Hour → Minutes → Month → Date → Day of Week.
- Gunakan Cahaya button to increase the flashing value. Hold it down to change values rapidly.
- Setelah semua tetapan betul, tekan butang Mod butang untuk keluar dari mod tetapan.
4.2 12/24-Hour Format Selection
Dalam Mod Penjagaan Masa, tekan butang Mula/Berhenti button to toggle between 12-hour and 24-hour (military) time formats.
5. Arahan Operasi
5.1 Mod Penjagaan Masa
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 Mod button until the current time is displayed without any flashing digits.
5.2 Mod Jam randik
The stopwatch measures elapsed time in 1/100-second units.
- Daripada Mod Penjagaan Masa, tekan butang Mod button once to enter Stopwatch Mode. The display will show '00:00:00'.
- Tekan ke Mula/Berhenti butang untuk memulakan jam randik.
- Tekan ke Mula/Berhenti butang sekali lagi untuk menghentikan jam randik.
- Untuk menetapkan semula jam randik kepada '00:00:00', tekan butang Cahaya butang semasa jam randik dihentikan.

Figure 4: Stopwatch Function
5.3 Mod Penggera
Tetapkan penggera harian untuk berbunyi pada masa tertentu.
- Daripada Mod Penjagaan Masa, tekan butang Mod button twice to enter Alarm Mode. The display will show the alarm time.
- Tekan ke Mula/Berhenti button to toggle the alarm ON/OFF. An alarm indicator will appear/disappear.
- Untuk menetapkan masa penggera, tekan butang Mod button while in Alarm Mode until the hour digits flash.
- Gunakan Cahaya butang untuk melaraskan jam. Tekan Mula/Berhenti untuk beralih ke minit, kemudian gunakan Cahaya untuk menyesuaikan minit.
- Tekan ke Mod butang untuk keluar dari mod tetapan penggera.

Rajah 5: Fungsi Penggera
5.4 Lampu LED
To illuminate the display, press the Cahaya button. The light will stay on for a few seconds.
6. Penyelenggaraan
6.1 Tahan Air
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 Penggantian Bateri
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 Pembersihan
Wipe the watch with a soft, dry cloth to remove dirt and moisture. For stubborn grime, a slightly damp kain boleh digunakan, diikuti dengan pengeringan segera. Elakkan menggunakan pembersih atau pelarut kimia.
7. Penyelesaian masalah
| Masalah | Penyelesaian |
|---|---|
| Paparan kosong atau malap. | Battery may be low. Replace the battery. |
| Masa tidak betul. | Rujuk Bahagian 4.1 untuk menetapkan semula masa dan tarikh. |
| Penggera tidak berbunyi. | Ensure the alarm is activated in Alarm Mode (Section 5.3). Check battery level. |
| Butang tidak bertindak balas. | Ensure the watch is dry. If problem persists, battery may be low or a reset may be needed (consult Casio support). |
8. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nombor Model | LA20WH-1C |
| Jenis Paparan | digital |
| Bahan Kes | damar |
| Bahan Band | damar |
| Diameter Kes | 30 Milimeter |
| Ketebalan Kes | 10 Milimeter |
| Tahan Air | Water Resistant (suitable for splashes) |
| Sumber Kuasa | Dikuasakan Bateri (termasuk 1 bateri Lithium Metal) |
| Hayat Bateri | lebih kurang 5 tahun |
| Ciri Khas | LED Light, Auto Calendar, 1/100 Sec Stopwatch, Daily Alarm |
9. Waranti dan Sokongan
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 webtapak atau hubungi bahagian perkhidmatan pelanggan mereka. Simpan resit pembelian anda sebagai bukti pembelian.
Video 1: Selesaiview of Casio Women's Classic Watch (Model: LA-20WH-1CCF). This video demonstrates the watch's design and basic features.