1. Pengenalan
Thank you for choosing the Casio W218H Series Digital Watch. This manual provides essential information regarding the setup, operation, and maintenance of your new timepiece. Designed for durability and functionality, this watch features a clear digital display, 50-meter water resistance, a 1/100-second stopwatch, daily alarm, hourly time signal, LED backlight, and a long-lasting 7-year battery.

Rajah 1: Depan view of the Casio W218H Series Digital Watch.
2. Persediaan
2.1 Menetapkan Masa dan Tarikh
- In the Timekeeping Mode (normal time display), press and hold the MODE button (bottom-left) until the seconds digits begin to flash. This indicates the setting mode.
- Tekan ke CAHAYA button (top-right) to cycle through the settings: seconds → hour → minutes → year → month → day.
- Gunakan MULA/BERHENTI button (top-left) to adjust the flashing value. For seconds, pressing MULA/BERHENTI resets them to 00.
- Setelah semua tetapan betul, tekan butang MODE butang untuk keluar dari mod tetapan.
2.2 12/24-Hour Format Selection
Dalam Mod Penjagaan Masa, tekan butang MULA/BERHENTI butang untuk bertukar antara format masa 12 jam dan 24 jam.
3. Arahan Operasi
3.1 Mod Navigasi
Tekan ke MODE butang untuk melihat fungsi jam tangan mengikut susunan berikut:
- Timekeeping Mode (normal time display)
- Mod Penggera
- Mod Jam Randik
3.2 Mod Penggera
- Navigasi ke Mod Penggera menggunakan MODE button. The alarm time will be displayed.
- Tekan dan tahan butang MODE butang sehingga digit jam mula berkelip.
- Gunakan MULA/BERHENTI butang untuk menyesuaikan jam.
- Tekan ke CAHAYA button to select the minute digits, then use MULA/BERHENTI untuk menyesuaikan minit.
- Tekan ke MODE butang untuk keluar dari mod tetapan penggera.
- To turn the daily alarm ON/OFF, press the MULA/BERHENTI button in Alarm Mode. An indicator will show if the alarm is active.
- To activate/deactivate the Hourly Time Signal, press the CAHAYA button in Alarm Mode. An indicator will show if the hourly signal is active.

Figure 2: Alarm setting display.
3.3 Mod Jam randik
The stopwatch measures elapsed time, split times, and two finishes with 1/100-second accuracy.
- Navigasi ke Mod Jam Rangkup menggunakan MODE button. The display will show 00:00:00.
- Tekan ke MULA/BERHENTI butang untuk memulakan jam randik.
- Tekan MULA/BERHENTI sekali lagi untuk menghentikan jam randik.
- To reset the stopwatch to 00:00:00, press the CAHAYA butang semasa jam randik dihentikan.

Figure 3: Stopwatch display.
3.4 Lampu Belakang LED
Tekan ke CAHAYA butang untuk menerangi paparan dengan mudah viewing in low-light conditions. The backlight will remain active as long as the button is pressed.

Figure 4: Watch display with LED backlight activated.
4. Penyelenggaraan
4.1 Tahan Air
Your Casio W218H watch is water resistant to 50 meters (165 feet). This means it is suitable for short periods of recreational swimming, showering, and washing hands. It is bukan suitable for diving or snorkeling. Avoid operating buttons while the watch is wet or submerged to prevent water ingress.

Figure 5: Water resistance indicator.
4.2 Hayat Bateri
The watch is powered by a product-specific battery designed to last approximately 7 years under normal use. When the display becomes dim or functions become erratic, it may be time to replace the battery. Battery replacement should be performed by a qualified technician.
4.3 Pembersihan
Lap jam tangan dengan kain lembut dan kering. Untuk kotoran degil, gunakan kain lembutampdicairkan dengan air dan detergen neutral yang lembut, kemudian lap sehingga kering. Elakkan menggunakan agen meruap seperti pencair atau benzin, kerana ia boleh merosakkan komponen resin.
5. Penyelesaian masalah
- Masa/Tarikh yang salah: Ensure the time and date are set correctly as per Section 2.1. If the issue persists after resetting, the battery may be low.
- Paparan Malap atau Kosong: This typically indicates a low battery. Replace the battery promptly.
- Butang Tidak Menjawab: Check if the watch is wet. If so, dry it thoroughly. If the issue continues, the watch may require servicing.
- Penggera Tidak Berbunyi: Verify that the alarm is activated in Alarm Mode (Section 3.2). Check the volume settings if applicable (though this model typically has a fixed alarm tone).
6. Spesifikasi
| Nombor Model | W-218H-4BVCF |
| Bahan Kes | Resin, Stainless Steel Back |
| Bahan Band | damar |
| Jenis Paparan | digital |
| Jenis Pergerakan | Kuarza |
| Tahan Air | 50 Meter (165 Kaki) |
| Diameter Kes | 46 Milimeter |
| Ketebalan Kes | 11 Milimeter |
| Berat Barang | 0.09 paun |
| Hayat Bateri | lebih kurang 7 tahun |
| Ketepatan | ±30 saat sebulan |
7. Video Produk Rasmi
7.1 Simple Digital Watch: Quick Demo
This video provides a quick demonstration of the Casio W218H digital watch, showcasing its basic functions and ease of use. It highlights the watch's simple interface and key features.
7.2 Casio W-218H Review
This video offers a detailed review of the Casio W-218H, covering its design, features, and overall performance. It provides insights into the watch's practical aspects and user experience.
8. Waranti dan Sokongan
Your Casio W218H watch comes with a manufacturer's warranty. For specific warranty details, please refer to the warranty card included with your purchase or visit the official Casio website. For further assistance, technical support, or service inquiries, please contact Casio customer service.
You can visit the official Casio Store for more information: Kedai Casio di Amazon