Einführung
This manual provides detailed instructions for the proper use and care of your Casio G-Shock GA100A-9A watch. Designed for durability and functionality, this timepiece features a robust yellow resin case and strap, a black dial with yellow-tone hands, and both analog and digital displays. It is built to withstand challenging conditions, offering magnetic resistance, shock resistance, and water resistance up to 200 meters.
Key features include multiple alarms, a stopwatch function, and a quartz movement for reliable timekeeping. Please read this manual thoroughly to ensure optimal performance and longevity of your watch.

Aufstellen
Anfängliche Zeiteinstellung
- Zeiteinstellungsmodus aufrufen: Press and hold the 'ADJUST' button (top left) until the city code starts to flash on the digital display.
- Select Home City: Use the 'FORWARD' (top right) and 'REVERSE' (bottom right) buttons to select your desired home city code.
- Sommerzeit anpassen (DST): Press the 'MODE' button (bottom left) to cycle through settings. When DST is flashing, use 'FORWARD' or 'REVERSE' to toggle it ON or OFF.
- Uhrzeit und Datum einstellen: Continue pressing 'MODE' to navigate through the settings (12/24-hour format, seconds, hour, minute, year, month, day). Use 'FORWARD' and 'REVERSE' to adjust each value.
- Einstellungsmodus verlassen: Press the 'ADJUST' button to save your settings and return to the timekeeping mode. The analog hands will automatically adjust to match the digital time.
Korrektur der Handgrundstellung
If the analog hands do not match the digital time after initial setup or battery change, perform a hand home position correction:
- In Timekeeping Mode, press and hold 'ADJUST' until the city code flashes.
- Press 'MODE' repeatedly until 'H.SET' appears on the digital display.
- Use 'FORWARD' or 'REVERSE' to move the hour and minute hands to the 12 o'clock position.
- Press 'ADJUST' to confirm and exit. The hands will then move to the current time.
Bedienungsanleitung
Modusnavigation
Press the 'MODE' button (bottom left) to cycle through the different modes:
- Zeitnehmungsmodus: Zeigt die aktuelle Uhrzeit, den Wochentag und das Datum an.
- Weltzeitmodus: View Aktuelle Uhrzeit in verschiedenen Städten rund um den Globus.
- Stoppuhr-Modus: Measure elapsed time, split times, and 1st-2nd place times.
- Timer-Modus: Countdown-Timer-Funktion.
- Alarmmodus: Set up to 5 daily alarms and a snooze alarm.
Stoppuhr benutzen
- Navigate to Stopwatch Mode using the 'MODE' button.
- Press the 'START/STOP' button (bottom right) to start and stop the stopwatch.
- Press the 'SPLIT/RESET' button (top left) to record split times while the stopwatch is running.
- When the stopwatch is stopped, press 'SPLIT/RESET' to reset it to zero.
Einstellen von Alarmen
- Navigate to Alarm Mode using the 'MODE' button.
- Use 'FORWARD' or 'REVERSE' to select the alarm number you wish to set (AL1 to AL5, or SNZ for snooze alarm).
- Press and hold 'ADJUST' until the alarm time starts to flash.
- Use 'MODE' to move between hour and minute settings, and 'FORWARD'/'REVERSE' to adjust the values.
- Press 'ADJUST' to confirm and exit.
- To turn an alarm ON/OFF, select the alarm number and press 'START/STOP'.


Offizielles Produktvideo präsentiertasing the Casio Men's G-Shock Watch GA100A-9A, highlighting its design and features.
Wartung
Reinigung Ihrer Uhr
- Wischen Sie die Uhr regelmäßig mit einem weichen, trockenen Tuch ab, um Schmutz und Feuchtigkeit zu entfernen.
- Bei hartnäckigem Schmutz eine weiche Bürste und eine milde Seifenlauge verwenden, anschließend gründlich mit frischem Wasser abspülen und vollständig trocknen lassen.
- Avoid using chemical cleaners or solvents, as these can damage the resin materials.
Richtlinien zur Wasserbeständigkeit
The GA100A-9A is water resistant to 200 meters (660 feet). This means it is suitable for recreational scuba diving, but not for saturation diving. Do not operate buttons while the watch is wet or submerged to prevent water intrusion.
Batteriewechsel
This watch uses a single Lithium Metal battery. Battery life varies depending on usage. When the display becomes dim or functions become erratic, it is time to replace the battery. It is recommended to have the battery replaced by an authorized Casio service center to ensure proper water resistance and function.
Fehlerbehebung
- Hands Not Matching Digital Time: Perform the Hand Home Position Correction procedure as described in the Setup section.
- Digitalanzeige ist leer oder schwach: Die Batterie könnte schwach sein. Tauschen Sie die Batterie so schnell wie möglich aus.
- Schaltflächen reagieren nicht: Ensure the watch is not in a locked mode. If the issue persists, a reset may be required (refer to the full user manual for advanced reset procedures).
- Watch Not Functioning After Water Exposure: Bringen Sie die Uhr unverzüglich zu einem autorisierten Servicecenter. Versuchen Sie nicht, die Uhr selbst zu öffnen.
Technische Daten
| Besonderheit | Detail |
|---|---|
| Modellnummer | GA-100A-9ADR |
| Gehäusematerial | Harz |
| Armbandmaterial | Harz |
| Gehäusedurchmesser | 50 mm |
| Gehäusedicke | 17 mm |
| Wasserbeständigkeit | 200 Meter (660 Fuß) |
| Bewegung | Quarz |
| Batterie | 1 Lithium-Metall-Batterie (im Lieferumfang enthalten) |
| Besondere Merkmale | Magnetic Resistant, Shock Resistant, Multiple Alarms, Stopwatch, Digital/Analog Display |
| Technische Daten | 2.02 x 0.67 x 2.17 Zoll |
| Artikelgewicht | 2.47 Unzen |


Garantie und Support
Your Casio G-Shock GA100A-9A watch is covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official Casio webWebsite.
Für weitere Hilfe, technischen Support oder um ein autorisiertes Servicecenter zu finden, besuchen Sie bitte die Casio Store bei Amazon or the official Casio support webWebsite.






