Introducció
This manual provides detailed instructions for the operation and maintenance of your Casio G-Shock Master of G Gravitymaster GA-1100-1A1CR watch. Designed for durability and precision, this timepiece offers a range of features including world time, stopwatch, timer, alarm, compass, and thermometer functions. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your watch.
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Figura 1: Davant view of the Casio G-Shock Gravitymaster GA-1100-1A1CR watch, showcasing el seu robust c negreasing, analog and digital displays, and prominent function buttons. The watch face features large, easy-to-read hour markers and hands, along with sub-dials for various functions.
The Casio G-Shock Gravitymaster GA-1100-1A1CR is engineered for resilience and functionality, featuring a shock-resistant structure and 200-meter water resistance. It incorporates Twin Sensor technology for compass and thermometer readings, making it suitable for outdoor activities. The watch combines analog and digital displays for versatile timekeeping and data presentation.
Configuració
1. Configuració inicial de l'hora
- Enter Timekeeping Mode: Ensure the watch is in the Timekeeping Mode. If not, press the MODE premeu el botó repetidament fins que es mostri l'hora actual.
- Access Setting Mode: Manteniu premuda la AJUSTAR button (top left) until the city code starts flashing on the digital display. This indicates the setting mode.
- Select Home City: Utilitza el AVANT (a dalt a la dreta) i INVERSA (bottom right) buttons to select your desired Home City code.
- Adjust Daylight Saving Time (DST): Premeu el botó MODE button to move to the DST setting. Use the AVANT button to toggle DST ON or OFF.
- Establir hora i data: Continueu pressionant el botó MODE button to cycle through settings for 12/24-hour format, seconds, hour, minute, year, month, and day. Use the AVANT i INVERSA botons per ajustar cada valor.
- Sortir del mode de configuració: Premeu el botó AJUSTAR botó per desar la configuració i sortir.
2. Correcció de l'alineació de la mà
If the analog hands do not align with the digital time, perform a hand alignment correction. Refer to the detailed instructions in the "Operating" section under "Hand Home Position Correction."
Instruccions de funcionament
Navegació en mode
Premeu el botó MODE botó (a baix a l'esquerra) per anar canviant pels diferents modes:
- Mode d'indicació de l'hora: Mostra l'hora, el dia i la data actuals.
- Mode hora mundial: Mostra l'hora actual a diverses ciutats del món.
- Mode de cronòmetre: Mesura el temps transcorregut.
- Mode de temporitzador de compte enrere: Compta enrere a partir d'un temps preestablert.
- Mode d'alarma: Sets daily alarms.
- Mode de brúixola: Displays direction.
- Mode termòmetre: Displays temperature.
Funció d'hora mundial
En el mode Hora mundial, utilitzeu la AVANT i INVERSA buttons to scroll through city codes. The watch will display the current time for the selected city. You can swap your home time with the world time by holding down the AJUSTAR botó.
Compass and Thermometer
To use the compass, enter Compass Mode and hold the watch level. The second hand will point North. For temperature readings, enter Thermometer Mode. Ensure the watch is off your wrist for accurate readings, as body heat can affect the sensor.

Figura 2: The Casio G-Shock Gravitymaster watch worn on a wrist, demonstrating its size and fit. The robust design is evident, suitable for active use while providing clear visibility of the time and other functions.
Illuminator (LED Light)
Premeu el botó LLUM button (top right) to illuminate the watch face for easy reading in low-light conditions. The illumination duration can be configured in the settings.
Resistència a l'aigua
This watch is water resistant to 200 meters (20 BAR). This means it is suitable for recreational scuba diving. Do not operate buttons while the watch is wet or submerged to prevent water ingress.
Manteniment
Neteja del rellotge
Wipe the watch regularly with a soft, dry cloth to remove dirt and moisture. For stubborn grime, use a soft brush and mild soap solution, then rinse thoroughly with fresh water and dry completely. Avoid using chemical cleaners or solvents.
Informació de la bateria
The watch is powered by a long-life battery. When the display becomes dim or functions become erratic, it may indicate a low battery. Battery replacement should be performed by a qualified technician to maintain water resistance and ensure proper function.
Emmagatzematge
When not in use for extended periods, store your watch in a cool, dry place away from direct sunlight and extreme temperatures. Avoid storing it near strong magnetic fields.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Les agulles analògiques no coincideixen amb l'hora digital. | Misalignment due to shock or magnetic interference. | Perform Hand Home Position Correction. Refer to the full manual for detailed steps. |
| Les lectures de temperatura són inexactes. | Watch is on wrist, affected by body temperature. | Remove watch from wrist and allow 20-30 minutes for temperature stabilization before reading. |
| Compass readings are incorrect. | Magnetic interference or improper calibration. | Perform bidirectional calibration. Avoid strong magnetic fields. |
| La pantalla està tènue o en blanc. | Bateria baixa. | Battery replacement is required. Contact an authorized service center. |
Especificacions
- Nom del model: GA-1100-1A1CR
- Marca: Casio
- Dimensions (L x A x A): Approximately 1 x 1 x 1 inches (Item Dimensions)
- Pes: Aproximadament 0.22 quilograms (pes del paquet)
- Material: Barrejar
- Color: Multi (primarily Black)
- Profunditat de resistència a l'aigua: 200 metres (20 bar)
- Característiques: Twin Sensor (Compass, Thermometer), World Time, Stopwatch, Countdown Timer, 5 Daily Alarms, LED Light (Super Illuminator), Shock Resistant.
- Bateria: (Type not specified, typically CR2016 or similar for G-Shocks)
Garantia i Suport
Your Casio G-Shock watch is covered by a manufacturer's warranty against defects in materials and workmanship. The specific terms and duration of the warranty may vary by region. Please retain your proof of purchase for warranty claims.
For technical assistance, service, or warranty inquiries, please refer to the official Casio website or contact an authorized Casio service center in your region. Do not attempt to repair the watch yourself, as this may void the warranty and cause further damage.

Figura 3: The hexagonal black G-Shock product box, featuring the G-Shock logo and "Since 1983" inscription. This packaging protects the watch and signifies its authenticity.





