1. Pengenalan
This manual provides detailed instructions for the proper use and care of your Casio AE-1200WHD-1A digital watch. Please read this manual thoroughly to ensure optimal performance and longevity of your timepiece. The Casio AE-1200WHD-1A features multiple functions including World Time, Stopwatch, Timer, and Alarms, all powered by a 10-year battery.

Imej 1.1: Depan view of the Casio AE-1200WHD-1A digital watch. This image displays the watch face with its digital display, including the time, date, and a small world map. The watch features a silver stainless steel case and band, with four control buttons visible on the sides.
2. Persediaan Awal
2.1. Fungsi Butang
Jam tangan anda mempunyai empat butang: A (Adjust), B (Mode), C (Search), and D (Light). Refer to the diagram below for their locations.

Imej 2.1: sebelah view of the Casio AE-1200WHD-1A. This image highlights the two control buttons located on the left side of the watch case, labeled 'Adjust' and 'Mode' on the watch face.
2.2. Menetapkan Masa dan Tarikh
- Dalam Mod Penjagaan Masa, tahan butang A (Adjust) button until the city code starts to flash. This indicates the setting mode.
- Tekan ke C (Search) button to cycle through the settings: City Code β DST (Daylight Saving Time) β 12/24-hour format β Seconds β Hour β Minute β Year β Month β Day.
- Gunakan B (Mode) button to increase the flashing value or the D (Light) button to decrease it. For city code, use B dan D to select your desired city.
- Setelah semua tetapan betul, tekan butang A (Adjust) button to exit the setting mode.
2.3. Melaraskan Gelang
The stainless steel bracelet can be adjusted for a comfortable fit. This typically involves removing or adding links. It is recommended to have this procedure performed by a qualified jeweler to prevent damage to the watch or bracelet. If adjusting yourself, use appropriate tools to carefully open the clasp and remove pins from links as needed.

Imej 2.2: belakang view of the Casio AE-1200WHD-1A. This image shows the stainless steel case back with engraved details and the open clasp of the metal bracelet, illustrating how the band can be adjusted.
3. Mod Operasi
Tekan ke B (Mode) button to cycle through the different modes: Timekeeping β World Time β Stopwatch β Timer β Alarm.
3.1. Mod Penjagaan Masa
This is the default mode, displaying the current time, date, and day of the week. The small analog-style dial shows seconds, and the world map indicates the current time zone.
3.2. Mod Masa Dunia
Dalam Mod Waktu Dunia, anda boleh view the current time in 48 cities (31 time zones) around the globe. Press the C (Search) button to scroll through the city codes. The world map display will highlight the selected time zone.
3.3. Mod Jam randik
Jam randik mengukur masa berlalu, masa perpecahan, dan dua penamat.
- Tekan C (Search) to start/stop the stopwatch.
- Semasa jam randik sedang berjalan, tekan A (Adjust) to record a split time. Press A sekali lagi untuk melepaskan pemisahan dan meneruskan pemasaan.
- Apabila jam randik dihentikan, tekan A (Adjust) to reset it to zero.
3.4. Mod Pemasa
The countdown timer can be set for up to 24 hours.
- In Timer Mode, hold down A (Adjust) to enter setting mode. The hour value will flash.
- guna B (Mode) to increase the value and D (Light) to decrease it. Press C (Search) to move between hours and minutes.
- Tekan A (Adjust) to exit setting mode.
- Tekan C (Search) to start or stop the countdown.
3.5. Mod Penggera
Jam tangan ini mempunyai 5 penggera harian bebas dan satu hourlisyarat masa y.
- Dalam Mod Penggera, tekan C (Search) to cycle through the alarms (AL1, AL2, AL3, AL4, AL5, SIG).
- tahan A (Adjust) to enter setting mode for the selected alarm. The hour value will flash.
- guna B (Mode) to increase and D (Light) to decrease the hour/minute. Press C (Search) to switch between hour and minute settings.
- Tekan A (Adjust) to exit setting mode.
- Tekan D (Light) to toggle the selected alarm ON/OFF. The alarm indicator will appear when an alarm is active.
3.6. Illuminator (Backlight)
Tekan ke D (Light) button in any mode (except when setting) to illuminate the display for easy viewdalam keadaan cahaya rendah.
3.7. Tahan Air
The Casio AE-1200WHD-1A is water resistant up to 100 meters (10 BAR). This means it is suitable for swimming, showering, and snorkeling. However, it is not recommended for scuba diving. Do not operate the buttons while the watch is wet or submerged.
4. Penyelenggaraan
4.1. Penggantian Bateri
This watch is equipped with a 10-year battery (CR2025). When the display becomes dim or functions become erratic, it may be time for battery replacement. It is recommended to have the battery replaced by an authorized service center to ensure proper sealing and water resistance.
4.2. Pembersihan
Wipe the watch and band with a soft, dry cloth to remove dirt and moisture. For stainless steel bands, a mild soap solution and a soft brush can be used, followed by thorough rinsing and drying. Avoid using harsh chemicals or abrasive cleaners.
4.3. Langkah Berjaga-jaga Rintangan Air
- Avoid operating buttons while the watch is submerged or wet.
- Do not expose the watch to extreme temperature changes (e.g., hot shower immediately followed by cold water).
- Jika jam tangan terdedah kepada air masin, bilas dengan teliti menggunakan air tawar dan keringkan dengan kain lembut.
5. Penyelesaian masalah
- Paparan kosong atau malap: The battery may be low. Replace the battery as described in the Maintenance section.
- Masa tidak tepat: Re-set the time and date using the instructions in the Initial Setup section. Ensure the correct city code and DST setting are selected.
- Butang tidak bertindak balas: Ensure the watch is not in a setting mode that locks out other buttons. If the issue persists, a battery reset or professional inspection may be required.
- Air di dalam jam tangan: Immediately take the watch to an authorized service center. Do not attempt to open the watch yourself, as this will void the warranty and can cause further damage.
6. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nombor Model | AE-1200WHD-1A |
| Pergerakan | Quartz (Battery) |
| Paparan | digital |
| Tahan Air | 100 meter (10 BAR) |
| Jenis Bateri | 1 x LR44 (CR2025 equivalent) |
| Hayat Bateri | Lebih kurang 10 tahun |
| Dimensi | 2.36 x 4.09 x 3.78 inches (Product); 1.48 ounces (Weight) |
| Ciri-ciri | World Time (48 cities), 5 Alarms, Stopwatch, Countdown Timer, LED Backlight (Illuminator), 12/24-hour format |
7. Waranti dan Sokongan
7.1. Maklumat Waranti
Casio watches typically come with a limited manufacturer's warranty covering defects in materials and workmanship. The specific terms and duration of your warranty may vary by region and purchase date. Please refer to the warranty card included with your watch or visit the official Casio weblaman web untuk maklumat jaminan terperinci.
7.2. Sokongan Pelanggan
For further assistance, technical support, or service inquiries, please contact Casio customer service. You can find contact information, including phone numbers and online support portals, on the official Casio webtapak (www.casio.com). When contacting support, please have your watch model number (AE-1200WHD-1A) and purchase details readily available.