1. Entwodiksyon ak souview
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. Enstalasyon
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 Tan ak Dat Anviwònman
Pou mete lè a ak dat:
- Peze epi kenbe la AJISTE bouton an (anlè agoch) jiskaske kòd vil la kòmanse flache. Sa endike mòd konfigirasyon an.
- Sèvi ak la MÒD button (bottom left) to cycle through the settings: City Code → DST (Daylight Saving Time) → 12/24-hour format → Seconds → Hour → Minute → Year → Month → Day.
- Sèvi ak la KÒMANSE bouton (anlè adwat) ak LIMYÈ button (bottom right) to change the flashing value. The KÒMANSE button typically increases the value, and the LIMYÈ button decreases it (or cycles through options).
- Yon fwa tout paramèt yo kòrèk, peze bouton an AJISTE bouton ankò pou sòti nan mòd anviwònman an.

2.3 Ajisteman bann
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. Operasyon Enstriksyon
3.1 Navigasyon Mòd
Peze a MÒD bouton (anba agoch) pou chanje mòd yo:
- Mòd Timekeeping: Montre lè ak dat aktyèl la. Sa a se mòd pa defo a.
- Mode kronomètr: Used for measuring elapsed time. Press KÒMANSE to begin/stop, AJISTE reset.
- Mòd revèy: A countdown timer. Set the desired time using AJISTE epi KÒMANSE, Lè sa a, peze KÒMANSE pou kòmanse.
- Mòd alam: Set up to five daily alarms. Use AJISTE epi KÒMANSE pou fikse lè alam.
- Mòd tan mondyal: View the current time in various cities around the world. Use KÒMANSE pou sikile nan kòd vil yo.
3.2 Sèvi ak ekleraj la
Peze a LIMYÈ 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 Rezistans dlo
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. Antretyen
4.1 Netwayaj
To clean your watch, wipe it with a soft, dry cloth. For stubborn dirt, use a soft cloth dampened 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 Ranplasman batri
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 Prekosyon pou rezistans dlo
- Do not operate buttons while the watch is submerged in water or wet.
- 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 Depo
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.
NAN. Depanaj
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Ekran mont lan vid oswa li pa klere byen. | Ba pouvwa batri. | Ranplase pil la. Konsilte yon teknisyen mont pwofesyonèl. |
| Lè oswa dat ki pa kòrèk. | Time/date settings are incorrect or have been reset. | Refer to Section 2.2 "Time and Date Setting" to adjust. |
| Bouton pa reponn. | Watch may be in a locked mode, or internal malfunction. | Try pressing and holding AJISTE 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. Espesifikasyon
- Nimewo Modèl: GA-2100BM-7A8ER
- Manifakti: Casio
- Dimansyon pwodwi: 5.12 x 1.18 x 3.15 pous
- Pwa atik: 2.82 ons
- Rezistans dlo: 20 BAR (200 mèt)
- Kalite batri: 1 C battery (Note: Typically a button cell for G-SHOCK, but JSON states 'C battery'. Follow watch markings or consult professional.)
- Ekspozisyon: Analòg ak dijital
- Karakteristik: Shock Resistant, World Time, Stopwatch, Timer, Alarms, LED Light
7. Garanti ak sipò
7.1 Garanti Entènasyonal
Your Casio G-SHOCK GA-2100BM-7A8ER watch comes with a 2-year International Warranty. 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 Sipò pou Kliyan
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 websit: www.casio.com/support.





