1. Įvadas ir pabaigaview
This manual provides detailed instructions for the proper use and care of your Casio G-SHOCK GA-2100BM-7A8ER Dress Watch. Please read this manual thoroughly to ensure optimal performance and longevity of your timepiece. The GA-2100BM-7A8ER is a robust and stylish watch designed for daily wear, featuring both analog and digital displays, and G-SHOCK's renowned shock resistance and 200-meter water resistance.

2. Sąranka
2.1 Initial Battery Installation/Check
Your Casio G-SHOCK GA-2100BM-7A8ER watch requires one C battery for operation. The watch typically comes with a factory-installed battery. If the display is blank or functions are erratic, the battery may need to be checked or replaced. It is recommended to have battery replacement performed by a qualified watch technician to maintain water resistance.
2.2 Laiko ir datos nustatymas
Norėdami nustatyti laiką ir datą:
- Paspauskite ir palaikykite REGULIUOTI button (top left) until the city code starts to flash. This indicates the setting mode.
- Naudokite REŽIMAS mygtuką (apačioje kairėje), kad perjungtumėte nustatymus: Miesto kodas → DST (vasaros laikas) → 12/24 valandų formatas → Sekundės → Valanda → Minutė → Metai → Mėnuo → Diena.
- Naudokite PRADĖTI mygtukas (viršuje dešinėje) ir ŠVIESA button (bottom right) to change the flashing value. The PRADĖTI button typically increases the value, and the ŠVIESA button decreases it (or cycles through options).
- Kai visi nustatymai bus teisingi, paspauskite REGULIUOTI mygtuką dar kartą, kad išeitumėte iš nustatymo režimo.

2.3 Juostos reguliavimas
The watch features a durable resin band with a buckle clasp. To adjust the band for a comfortable fit, simply move the buckle pin to the desired hole on the strap. Ensure the watch is snug but not too tight on your wrist to allow for proper circulation.

3. Naudojimo instrukcijos
3.1 Režimo navigacija
Paspauskite REŽIMAS mygtuką (apačioje kairėje), kad perjungtumėte skirtingus režimus:
- Laiko matavimo režimas: Rodo dabartinį laiką ir datą. Tai yra numatytasis režimas.
- Chronometro režimas: Used for measuring elapsed time. Press PRADĖTI pradėti/sustabdyti, REGULIUOTI iš naujo nustatyti.
- Laikmačio režimas: A countdown timer. Set the desired time using REGULIUOTI ir PRADĖTI, tada paspauskite PRADĖTI pradėti.
- Aliarmo režimas: Set up to five daily alarms. Use REGULIUOTI ir PRADĖTI žadintuvo laikui nustatyti.
- Pasaulio laiko režimas: View the current time in various cities around the world. Use PRADĖTI kad būtų galima peržiūrėti miesto kodus.
3.2 Foninio apšvietimo naudojimas
Paspauskite ŠVIESA button (bottom right) to illuminate the watch face for easy viewing in low-light conditions. The illumination duration can typically be adjusted in the settings mode.
3.3 Atsparumas vandeniui
Your watch is water resistant to 20 BAR (200 meters). This means it is suitable for showering, swimming, and diving. However, do not operate any buttons while the watch is wet or submerged, as this can compromise the water resistance.
4. Priežiūra
4.1 Valymas
Norėdami išvalyti laikrodį, nuvalykite jį minkšta, sausa šluoste. Įsisenėjusiam purvui naudokite minkštą šluostę.ampened with water and a mild neutral detergent, then wipe dry. Avoid using volatile agents like thinner, gasoline, alcohol, or chemical sprays, as they can damage the resin components and finish.
4.2 Akumuliatoriaus keitimas
When the battery power is low, the display may become dim or functions may cease. Replace the battery promptly. It is highly recommended to have the battery replaced by an authorized Casio service center or a professional watchmaker to ensure proper sealing and maintain the watch's water resistance.
4.3 Atsargumas dėl atsparumo vandeniui
- Nespauskite mygtukų, kai laikrodis yra panardintas į vandenį arba šlapias.
- Avoid exposing the watch to hot water or steam (e.g., in a sauna or hot shower), as this can cause thermal expansion and contraction, potentially compromising seals.
- After exposure to saltwater, rinse the watch thoroughly with fresh water and wipe it dry.
4.4 Saugykla
When not in use for extended periods, store your watch in a dry, cool place away from direct sunlight and extreme temperatures. Avoid storing it near strong magnetic fields.
5. Problemų sprendimas
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Laikrodžio ekranas tuščias arba blankus. | Maža akumuliatoriaus energija. | Pakeiskite bateriją. Pasikonsultuokite su profesionaliu laikrodžių techniku. |
| Neteisingas laikas arba data. | Time/date settings are incorrect or have been reset. | Refer to Section 2.2 "Time and Date Setting" to adjust. |
| Mygtukai nereaguoja. | Watch may be in a locked mode, or internal malfunction. | Try pressing and holding REGULIUOTI for a few seconds. If unresponsive, seek professional service. |
| Fogging inside the watch glass. | Sudden temperature change or compromised water resistance. | If fog clears quickly, it's usually condensation. If it persists, water resistance may be compromised. Seek professional service immediately. |
5.1 Resetting the Watch
In some cases, a full reset may resolve minor issues. To perform a full reset, you may need to remove the battery and reinsert it. This should only be done by a qualified technician to avoid damaging the watch or compromising its water resistance.
6. Specifikacijos
- Modelio numeris: GA-2100BM-7A8ER
- Gamintojas: Casio
- Gaminio matmenys: 5.12 x 1.18 x 3.15 colio
- Prekės svoris: 2.82 uncijos
- Atsparumas vandeniui: 20 BAR (200 metrai)
- Baterijos tipas: 1 C battery (Note: Typically a button cell for G-SHOCK, but JSON states 'C battery'. Follow watch markings or consult professional.)
- Ekranas: Analoginis ir skaitmeninis
- Savybės: Shock Resistant, World Time, Stopwatch, Timer, Alarms, LED Light
7. Garantija ir palaikymas
7.1 Tarptautinė garantija
Your Casio G-SHOCK GA-2100BM-7A8ER watch comes with a 2 metų tarptautinė garantija. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims. The warranty does not cover damage resulting from improper handling, accidents, unauthorized repairs, or normal wear and tear.
7.2 Pagalba klientams
For technical assistance, warranty service, or inquiries regarding your watch, please contact your local authorized Casio service center or the retailer where the watch was purchased. You can find contact information for Casio service centers on the official Casio websvetainė: www.casio.com/support.





