Ọrọ Iṣaaju
This manual provides detailed instructions for the proper setup, operation, and maintenance of your Casio G-Shock GD-400-1B2CR Digital Quartz Sport Watch. Designed for durability and functionality, this timepiece features shock resistance, 200-meter water resistance, an Auto Super Illuminator LED with Flash Alert, World Time, five daily alarms, and a 1/100th second stopwatch. Please read this manual thoroughly to ensure optimal performance and longevity of your watch.
Ṣeto
Your G-Shock watch comes with a pre-installed Lithium Metal battery. Upon first use, or after a battery change, you may need to set the current time and date.
Eto Aago ati Ọjọ
- Ni Ipo Itọju akoko, tẹ mọlẹ ṢAtunṣe bọ́tìnì títí tí kódì ìlú yóò fi bẹ̀rẹ̀ sí í tàn. Èyí fi hàn pé ipò ìṣètò náà ni a ó lò.
- Lo awọn Yipada ati Siwaju awọn bọtini lati yan koodu ilu ti o fẹ (agbegbe akoko).
- Tẹ awọn MODE button to cycle through the settings: DST (Daylight Saving Time), 12/24-hour format, Seconds, Hour, Minute, Year, Month, Day.
- Lo awọn Yipada ati Siwaju awọn bọtini lati ṣatunṣe awọn ìmọlẹ iye.
- Ni kete ti gbogbo eto ba tọ, tẹ bọtini naa ṢAtunṣe bọtini lati jade ni ipo eto.

Aworan: Iwaju view of the Casio G-Shock GD-400-1B2CR watch, displaying its digital interface and robust design.
Awọn ilana Iṣiṣẹ
Navigating Modes
Tẹ awọn MODE button to cycle through the watch's various functions:
- Ipo Itọju akoko: Ṣe afihan akoko ati ọjọ lọwọlọwọ.
- Ipo Aago Agbaye: Shows the current time in various cities around the globe.
- Ipo Aago iṣẹju-aaya: Measures elapsed time with 1/100th second accuracy.
- Ipo Aago kika: Allows setting a countdown from a specified time.
- Ipo Itaniji: Set up to five independent daily alarms.
Iṣẹ́ Àkókò Àgbáyé
Ni World Time Ipo, lo awọn Yipada ati Siwaju buttons to scroll through different city codes and view their current times.
Lilo Aago iṣẹju-aaya
In Stopwatch Mode:
- Tẹ awọn Bẹrẹ/Duro bọtini lati bẹrẹ ati da aago idaduro duro.
- Tẹ awọn ṢAtunṣe bọtini lati tun aago iṣẹju-aaya pada si odo.
- The watch supports split time measurements.
Eto Awọn itaniji
In Alarm Mode:
- Lo awọn Yipada ati Siwaju buttons to select one of the five alarms (AL1 to AL5) or the Hourly Ifihan akoko (SIG).
- Tẹ mọlẹ ṢAtunṣe button until the alarm time starts to flash.
- Lo awọn MODE button to move between hour and minute settings.
- Lo awọn Yipada ati Siwaju awọn bọtini lati ṣatunṣe awọn ìmọlẹ iye.
- Tẹ awọn ṢAtunṣe bọtini lati jẹrisi ati jade.
Super Illuminator LED and Flash Alert
Tẹ awọn Imọlẹ button to illuminate the display. The Auto Super Illuminator feature can be enabled to automatically light up the display when the watch is tilted towards your face. The Flash Alert function causes the backlight to flash for alarms, hourly time signals, and countdown timer alerts.
Dakẹ Iṣẹ
The watch features a mute function to silence button operation tones. To activate or deactivate, refer to the detailed instructions in the full Casio module manual.

Image: The Casio G-Shock GD-400-1B2CR watch displayed on a wrist, showcasing its size and fit.
Fidio: Ipariview of the Casio G-Shock watch, demonstrating its features and design. This video is provided by the seller.
Itoju
Omi Resistance
Your watch is water resistant to 200 meters (660 feet). This rating makes it suitable for professional marine activity and serious surface water sports. However, it is ko dara fun iluwẹ. Yago fun awọn bọtini ṣiṣiṣẹ lakoko ti iṣọ naa jẹ tutu tabi wọ inu omi lati ṣe idiwọ titẹ omi.
Ninu
To maintain the appearance and functionality of your watch, regularly wipe it with a soft, dry cloth. For stubborn dirt, especially on the resin band and case, use a mild soap solution and a soft brush, then rinse thoroughly with fresh water and dry completely. Avoid using harsh chemicals or solvents.
Batiri Rirọpo
The watch uses one Lithium Metal battery. When the battery power is low, the display may dim or functions may become unreliable. Battery replacement should be performed by a qualified watch technician or an authorized Casio service center to ensure proper sealing and water resistance.
Laasigbotitusita
- Ifihan òfo: Ṣàyẹ̀wò bóyá bátìrì náà ti tán. Tí ó bá rí bẹ́ẹ̀, fi bátìrì náà rọ́pò rẹ̀.
- Akoko ti ko tọ: Re-enter the Timekeeping Mode and adjust the time and date settings as described in the Setup section. Ensure the correct city code and DST setting are selected.
- Awọn bọtini Ko dahun: Ensure the watch is not in a locked mode (if applicable, refer to the full module manual). If the issue persists, a battery reset or professional inspection may be required.
- Ifihan inu omi: If condensation or water appears inside the watch, cease use immediately and take it to an authorized service center. This indicates a breach in water resistance.
Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Nọmba awoṣe | GD-400-1B2CR |
| Case Opin | 49.7mm |
| Omi Resistance | 200m (660ft) |
| Gbigbe | Kuotisi |
| Ohun elo | Resini |
| Batiri Iru | 1 Batiri Litiumu Irin (pẹlu) |
| Idojukọ-mọnamọna | Bẹẹni |
| Itanna | Auto Super Illuminator LED with Flash Alert |
| Akoko Agbaye | Bẹẹni |
| Awọn itaniji | 5 Awọn itaniji ojoojumọ |
| Aago iṣẹju-aaya | 1/100th Sec. Stopwatch |
| Dakẹ Iṣẹ | Bẹẹni |
| Ikilọ Batiri Kekere | Bẹẹni |
Atilẹyin ọja ati Support
For warranty information, service, or additional support, please refer to the official Casio website or contact Casio customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.