1. Kupu Whakataki
This manual provides essential information and instructions for the proper use and maintenance of your Casio G-Shock GMDB300-1 Step Tracker Digital Watch. Please read this manual thoroughly before using the watch to ensure optimal performance and longevity.
The Casio G-Shock GMDB300-1 is designed as a robust sports-oriented timepiece, featuring a step tracker and smartphone connectivity to support an active lifestyle. Its key resin components, including the case, bezel, and band, are crafted from bio-based resin, reflecting a commitment to environmental responsibility.

Image 1: The Casio G-Shock GMDB300-1 Step Tracker Digital Watch in black with light blue accents.
2. Tatūnga
2.1 Te Hia-Ai Tuatahi me te Tautuhinga Wā
Upon first use or after a battery change, the watch may require initial setup. Follow these steps:
- Ensure the watch is exposed to light to charge the solar battery.
- Patohia me te pupuri i te WHAKAARO pātene (mauī runga) kia timata ra ano te rarapa o te waehere taone.
- Whakamahia te MODE (bottom left) and Timata (raro matau) nga paatene hei kowhiri i to waehere taone kainga.
- Perehi WHAKAARO again to confirm and exit the setting mode. The time will automatically adjust based on the selected city.
2.2 Smartphone Link Setup
The GMDB300-1 can be linked with a smartphone for enhanced functionality and data management.
- Download the official Casio G-SHOCK Connected app from your smartphone's app store.
- Whakahohehia te Nihokikorangi i runga i to waea atamai.
- On the watch, press and hold the HUNGA button (middle left) until the Bluetooth icon appears and flashes.
- Open the G-SHOCK Connected app and follow the on-screen instructions to pair your watch.
- Once paired, the watch time will synchronize with your smartphone, and tracked data can be managed within the app.
3. Nga Tohutohu Whakahaere
3.1 Ngā Aratau Whakatere
Pehia te MODE button (bottom left) to cycle through the different watch modes:
- Aratau Waahi: E whakaatu ana i te wā, te rā, me te rā o te wiki.
- Step Tracker Mode: Shows daily step count and progress towards goals.
- Aratau Tapukati: Mo te ine i te wa kua pahemo.
- Aratau Matama: He mahi tatau-muri.
- Aratau Whakaoho: Set and manage daily alarms.
- Aratau Wā o te Ao: View wā i roto i ngā rohe wā rerekē.
3.2 Step Tracker Function
The built-in accelerometer automatically counts your steps. The watch displays your total daily steps and progress towards a set goal. Detailed activity logs can be viewed via the G-SHOCK Connected app.
- In Step Tracker Mode, press Timata (bottom right) to view daily step data.
- Whakamahia te MODE a Timata buttons to navigate through different step data views (e.g., daily, weekly, monthly).
3.3 Backlight (Illuminator)
Pehia te KAMARAMA button (bottom center) to illuminate the display for easy reading in low-light conditions. The illumination duration can be configured in the watch settings or via the smartphone app.

Whakaahua 2: He taipitopito view of the Casio G-Shock GMDB300-1 watch face, highlighting its digital display and various indicators.
4. Nga waahanga matua
- Bio-based Resin Construction: The watch incorporates bio-based resin in its case, bezel, and band, contributing to reduced environmental impact. This material maintains the renowned G-SHOCK durability and shock resistance.
- Smartphone Link: Seamlessly connect your watch to the G-SHOCK Connected app on your smartphone via Bluetooth. This allows for automatic time adjustment, easy watch setting configuration, and management of life log data, including step counts and calorie burn.
- Aroturuki Hipanga: An integrated 3-axis accelerometer accurately counts your steps throughout the day. Set daily step goals and monitor your progress directly on the watch display or through the connected app.
- 200-Meta Atete Wai: Designed for robust use, the watch is water-resistant up to 200 meters, making it suitable for swimming, snorkeling, and other water activities.
- Ātete Ru: True to its G-SHOCK heritage, the GMDB300-1 features a shock-resistant structure that protects against impacts and vibrations, ensuring reliability in demanding environments.

Image 3: The Casio G-Shock GMDB300-1 watch worn by an individual, showcasing tona hoahoa me te pai.
5. Tiaki
5.1 Te horoi i to Wati
Hei pupuri i te ahua me te mahi o to mataaratanga:
- Horoia te mataara ki te kakahu ngohengohe, maroke hei tango i te paru me te makuku.
- Mo te paru maro, whakamahia he kakahu ngohengohe dampened with water and a mild neutral detergent. Avoid harsh chemicals or solvents.
- I muri i te whakaurunga ki te wai tote, horoia rawatia te mataaratanga ki te wai māori ka whakamaroke rawa.
5.2 Ngā Whakatūpato Ātete Wai
While water-resistant, observe the following:
- Do not operate watch buttons while submerged in water.
- Avoid exposing the watch to hot water or steam, as this can damage seals.
- If the watch is exposed to extreme temperature changes, condensation may appear inside the crystal. This should clear up quickly. If it persists, consult an authorized service center.
5.3 Battery Charging (Solar Powered)
This watch is equipped with a solar charging system. Ensure regular exposure to light to keep the battery charged. Avoid prolonged storage in dark places.
- Place the watch where its face is exposed to bright light.
- The charging time varies depending on the light intensity.
- Refer to the battery level indicator on the display to monitor charge status.
6. Te Raru
6.1 Kei te he te wa
- Tirohia te Tautuhinga Taone Kainga: Ensure your home city is correctly set. Incorrect city settings can lead to incorrect time display.
- Smartphone Link: Verify that the watch is successfully paired and connected to the G-SHOCK Connected app for automatic time synchronization.
- Whakatikatika ā-ringa: If automatic adjustment fails, manually set the time and date as described in the
Tuhinga e pa ana - GMDB300-1

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