Indledning
This manual provides comprehensive instructions for the operation and maintenance of your Casio G-Shock GA-100 Series Watch. Designed for durability and precision, this watch features a robust construction with shock and magnetic resistance, 200-meter water resistance, and a range of advanced functions to support various activities.

Figur 1: Forside view of the Casio G-Shock GA-100 Series Watch, highlighting its robust design and multi-function display.
Opsætningsvejledning
Before using your watch, it is essential to set the correct time, date, and other basic configurations. The GA-100 series combines analog and digital displays, requiring specific steps for synchronization.
1. Indstilling af tid og dato
- Ensure the watch is in Timekeeping Mode. If not, press the MODE button repeatedly until the current time and date are displayed.
- Tryk og hold på TILPASSE button (top left) for approximately 3 seconds until the city code starts flashing. This indicates the setting mode.
- Brug FORWARD (bottom right) and BAGSIDE (top right) buttons to select your desired city code (Home City).
- Tryk på MODE button to cycle through the settings: DST (Daylight Saving Time), 12/24-hour format, Seconds, Hour, Minute, Year, Month, Day, and Light Duration (LT).
- For hver indstilling skal du bruge FORWARD og BAGSIDE knapper for at ændre værdierne.
- Efter indstilling af klokkeslæt og dato skal du trykke på TILPASSE button to exit the setting mode. The watch hands will automatically adjust to the digital time.
Video 1: Detailed guide on how to adjust the time and date settings on a Casio G-Shock watch, demonstrating button presses and display changes.
Betjeningsvejledning
Your G-Shock GA-100 watch is equipped with multiple modes and functions. Use the MODE button to navigate between them.
1. Stopur-funktion
- Fra tidsvisningstilstand, tryk på MODE indtil "STW" (Stopur) vises.
- Trykke START/STOP (bottom right) to start and stop the stopwatch.
- Trykke SPLIT/NULSTIL (bottom left) to record split times or reset the stopwatch when stopped.
- The watch features a 1/1000-second stopwatch with speed measurement capabilities.
2. Nedtællingstimer
- Fra tidsvisningstilstand, tryk på MODE indtil "TMR" (Timer) vises.
- To set the countdown time, hold TILPASSE until the hour setting flashes. Use FORWARD/BAGSIDE at sætte.
- Trykke MODE for at skifte mellem time- og minutindstillinger.
- Trykke TILPASSE for at bekræfte.
- Trykke START/STOP to start and stop the countdown.
3. Alarm funktion
- Fra tidsvisningstilstand, tryk på MODE until "ALM" (Alarm) appears. The GA-100 supports up to five daily alarms.
- Bruge FORWARD to cycle through AL1 to AL5 and SNZ (Snooze Alarm).
- To set an alarm, hold TILPASSE until the hour setting flashes. Use FORWARD/BAGSIDE for at indstille time og minut.
- Trykke TILPASSE for at bekræfte.
- To turn an alarm ON/OFF, select the alarm number and press START/STOP.
4. Verdenstid
- Fra tidsvisningstilstand, tryk på MODE until "WT" (World Time) appears.
- Bruge FORWARD og BAGSIDE til view the current time in 48 cities (29 time zones).
5. Backlight (Auto LED)
- The watch features an Auto LED light. To activate it manually, press the A.LIGHT knap (øverst til højre).
- To enable Auto Light, hold the A.LIGHT button for several seconds until "A.LIGHT" appears on the digital display. When enabled, tilting your wrist towards you in a dark environment will automatically illuminate the display.
Opretholdelse
Proper care ensures the longevity and performance of your G-Shock watch.
- Rensning: Wipe the watch with a soft, dry cloth. For stubborn dirt, use a mild soap solution and rinse thoroughly under running water. Ensure all buttons are not pressed while submerged.
- Vandtæthed: The watch is water resistant to 200 meters. This means it is suitable for showering, swimming, and snorkeling. Avoid operating buttons underwater to prevent water intrusion.
- Temperatureksponering: Avoid exposing the watch to extreme temperatures, both hot and cold, as this can affect battery life and accuracy.
- Udskiftning af batteri: The watch is powered by a 2-year CR1220 battery. When the display dims or functions become erratic, it's time for a battery replacement. It is recommended to have this done by a qualified technician to maintain water resistance.
Fejlfinding
Hvis du støder på problemer med dit ur, kan du se følgende almindelige problemer og løsninger:
- Det digitale display er blankt eller svagt: Batteriet kan være lavt. Udskift CR1220-batteriet.
- Analog Hands Do Not Match Digital Time: Perform a manual hand alignment. In Timekeeping Mode, hold TILPASSE until the city code flashes, then press MODE repeatedly until you reach the hand alignment screen (usually indicated by "H.SET"). Use FORWARD/BAGSIDE to align the hands to 12:00, then press TILPASSE.
- Buttons Are Unresponsive: Ensure the watch is not in a locked mode (if applicable) or that it is not submerged in water. If the issue persists, a reset may be required (refer to the full manual for advanced reset procedures).
- Unøjagtig tid: Check your Home City setting and DST (Daylight Saving Time) settings. Ensure they are correctly configured for your region.
Specifikationer
| Mærke | Casio |
| Model serie | GA-100 XL Series G-Shock |
| Varemodelnummer | GBA900SM-7A9 |
| Bevægelse | Kvarts |
| Vandmodstand | 200 meter (20 bar) |
| Stødmodstand | Ja |
| Magnetisk modstand | Ja |
| Etui materiale | Harpiks |
| Batteritype | 1 litiummetalbatteri (CR1220) |
| Batterilevetid | Ca. 2 år |
| Nøjagtighed | ±15 sekunder om måneden |
| Produktdimensioner | 3.94 x 4.33 x 3.94 tommer; 2.47 ounce |
Garanti og support
Your Casio G-Shock GA-100 Series Watch comes with an International Warranty Card. Please refer to this card for detailed information regarding warranty coverage, terms, and conditions.
For yderligere assistance, teknisk support eller serviceforespørgsler, besøg venligst den officielle Casio-side. website or contact their customer service department. Keep your purchase receipt and warranty card in a safe place.





