Ọrọ Iṣaaju
Thank you for choosing the Casio G-Shock GD400-1CR Men's Grey Sport Watch. This manual provides essential information regarding the watch's features, setup, operation, and maintenance to ensure optimal performance and longevity. The G-Shock GD400-1CR is engineered for durability and reliability, featuring shock resistance and 200-meter water resistance, making it suitable for various demanding activities.
Key Awọn ẹya ara ẹrọ
- Resistant Shock: Designed to withstand impacts and vibrations.
- 200M Alatako Omi: Suitable for professional marine activity and serious surface water sports, but not for diving.
- Imọlẹ ẹhin LED: Provides illumination for easy reading in low light conditions.
- Auto Light Switch: Automatically illuminates the display when the watch is tilted towards your face.
- Àkókò Àgbáyé: Displays the current time in 48 cities (31 time zones) around the world.
- 5 Daily Alarms: Set up to five independent daily alarms.
- HourlÀmì Àkókò y: An audible alert every hour on the hour.
- Aago kika: A timer that counts down from a specified time.
- Aago iṣẹju-aaya: Awọn wiwọn akoko ti o ti kọja, akoko pipin, ati ipari meji.
- Kalẹnda alaifọwọyi ni kikun: Ti ṣe eto tẹlẹ titi di ọdun 2099.
- Ikilọ Batiri Kekere: Indicates when the battery needs replacement.
- Selectable Flash Alert: Flashes the display for alarms, hourly time signals, and countdown timer end.
Ṣeto
1. Eto Agbára-Lílo àti Àkókò Àkọ́kọ́
Upon first use or after a battery replacement, you may need to set the current time and date. Refer to the "Timekeeping Mode" section for detailed instructions on adjusting these settings.
2. Setting Your Home City (Time Zone)
- Ni Ipo Ṣiṣe Aago, tẹ mọlẹ ṢAtunṣe button until the city code starts to flash.
- Lo awọn Siwaju ati Yipada buttons to select your desired city code.
- Tẹ awọn MODE button to cycle through other settings like Daylight Saving Time (DST) and 12/24-hour format.
- Lo Siwaju or Yipada to change these settings.
- Tẹ ṢAtunṣe lati jade ni iboju eto.

Image: The Casio G-Shock GD400-1CR watch displayed on a wrist, showing its digital display and robust design.
Awọn ilana Iṣiṣẹ
1. Àwọn Ìgbésẹ̀ Ìlọ kiri
Tẹ awọn MODE button (bottom left) to cycle through the different watch modes:
- Ipo Akoko
- Ipo Aago Agbaye
- Ipo itaniji
- Ipo Aago iṣẹju-aaya
- Ipo Aago Kika
2. Ipo akoko
This mode displays the current time, day of the week, and date. To adjust the time and date:
- In Timekeeping Mode, press and hold ṢAtunṣe titi koodu ilu seju.
- Lo Siwaju ati Yipada to select your Home City.
- Tẹ MODE to move to the DST setting. Use Siwaju to toggle DST on/off.
- Tẹ MODE again to move to the 12/24-hour format setting. Use Siwaju lati yipada.
- Tesiwaju titẹ MODE to cycle through seconds, hour, minute, year, month, and day settings. Use Siwaju ati Yipada lati ṣatunṣe awọn iye.
- Tẹ ṢAtunṣe lati fipamọ eto ati jade.
3. World Time Ipo
Eleyi mode faye gba o lati view the current time in 48 cities (31 time zones). To view different city times:
- Ni World Time Ipo, lo awọn Siwaju ati Yipada awọn bọtini lati yi lọ nipasẹ awọn koodu ilu.
4. Ipo Itaniji
The watch has 5 daily alarms and an hourly akoko ifihan agbara. Lati ṣeto itaniji:
- Ni Ipo Itaniji, lo Siwaju or Yipada to select the alarm number (AL1 to AL5) or the Hourly Ifihan akoko (SIG).
- Tẹ mọlẹ ṢAtunṣe until the alarm time starts to flash.
- Lo MODE to move between hour and minute settings. Use Siwaju ati Yipada lati ṣatunṣe akoko.
- Tẹ ṢAtunṣe lati fi akoko itaniji pamọ.
- To turn an alarm or the Hourly Time Signal on/off, select it and press Siwaju.
5. Ipo aago iṣẹju-aaya
Àwọn ìwọ̀n aago ìdádúró náà ti kọjá àkókò tó tó wákàtí mẹ́tàlélógún, ìṣẹ́jú mẹ́sàn-án, ìṣẹ́jú àádọ́ta àti àádọ́ta ìṣẹ́jú àádọ́ta.
- Ni Ipo aago iṣẹju-aaya, tẹ BERE (top right) to start and stop the stopwatch.
- Tẹ Yipada (isalẹ apa ọtun) lati tun aago idaduro pada si odo.
6. Kika Aago Ipo
The countdown timer can be set from 1 minute to 24 hours.
- Nínú Ipò Àkókò Kíkà, tẹ kí o sì dimu ṢAtunṣe until the current countdown start time flashes.
- Lo MODE to move between hour and minute settings. Use Siwaju ati Yipada lati ṣatunṣe akoko.
- Tẹ ṢAtunṣe lati fipamọ eto.
- Tẹ BERE to start and stop the countdown.
- Tẹ Yipada to reset the timer to its start time.
7. LED Backlight and Auto Light Switch
- Tẹ awọn Imọlẹ bọtini (oke apa ọtun) lati tan imọlẹ ifihan.
- To enable/disable the Auto Light Switch, hold the Imọlẹ button in Timekeeping Mode for about three seconds. An indicator will appear/disappear on the display. When enabled, tilting your wrist towards your face will automatically activate the backlight.
Video: An official Casio video demonstrating the features and durability of the G-Shock watch.
Itoju
1. Omi Resistance
The GD400-1CR is water resistant to 200 meters (660 feet). This rating means it is suitable for showering, swimming, and snorkeling. However, it is not suitable for scuba diving. Yago fun awọn bọtini ṣiṣiṣẹ lakoko ti iṣọ naa jẹ tutu tabi wọ inu omi lati ṣe idiwọ titẹ omi.
2. Ninu
Mu aago naa nu pẹlu asọ ti o tutu, ti o gbẹ. Fun idoti agidi, lo asọ rirọ dampened pẹlu omi ati ki o kan ìwọnba didoju detergent, ki o si mu ese gbẹ. Yago fun lilo awọn aṣoju iyipada bi tinrin tabi benzine, nitori wọn le ba awọn paati resini jẹ.
3. Batiri Rirọpo
The watch uses one CR2032 battery, with an approximate life of 3 years. When the low battery warning appears, it is recommended to have the battery replaced by an authorized Casio service center to ensure proper water resistance and functionality.

Image: The G-Shock watch presented in its durable metal tin, highlighting its robust packaging.
Laasigbotitusita
- Ifihan ti ṣofo tabi baibai: Batiri naa le jẹ kekere tabi ti dinku. Rọpo batiri naa (CR2032).
- Akoko ko pe: Ensure your Home City setting is correct and DST is properly configured. Re-adjust time and date as per "Timekeeping Mode" instructions.
- Auto Light Switch not working: Check if the Auto Light Switch feature is enabled (hold LIGHT button for 3 seconds). Ensure the watch is tilted sufficiently (approx. 40 degrees) in a dark environment.
- Awọn bọtini ko dahun: Ensure the watch is not in a setting mode where buttons are locked. If submerged, ensure it is dry before operating buttons.
Awọn pato
| Nọmba awoṣe | GD-400-1CR |
| Brand | Casio |
| Ifihan Iru | Oni-nọmba |
| Gbigbe | Kuotisi |
| Ohun elo ọran | Resini |
| Ohun elo Band | Resini |
| Case Opin | 49.7 millimeters |
| Ọran Sisanra | 16.6 millimeters |
| Omi Resistance Ijinle | 200 Mita (660 Ẹsẹ) |
| Batiri Iru | CR2032 (pẹlu) |
| Isunmọ. Igbesi aye batiri | ọdun meji 3 |
| Iwọn Nkan | 5 iwon |

Aworan: A alaye view of the G-Shock GD400-1CR watch face, showing the digital display and button labels.
Atilẹyin ọja ati Support
Your Casio G-Shock GD400-1CR watch is covered by a manufacturer's warranty. For specific warranty details, including coverage period and terms, please refer to the warranty card included with your purchase or visit the official Casio website. For technical support, repairs, or inquiries, please contact Casio customer service or an authorized service center.
Ilana 65 Ikilọ: Ọja yii ni awọn kemikali ti a mọ si Ipinle California lati fa akàn ati awọn abawọn ibimọ tabi ipalara ibisi miiran.