1. Fampidirana sy Fitohizanaview
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. Fametrahana
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 Fametrahana ora sy daty
Mametraka ny ora sy daty:
- Tsindrio ary hazòny ny HIATRIKA button (top left) until the city code starts to flash. This indicates the setting mode.
- Ampiasao ny MODE bokotra (ambany havia) mba hivezivezena amin'ireo fikirana: Kaody Tanàna → DST (Ora Fitahirizana Andro) → Endrika 12/24 ora → Segondra → Ora → Minitra → Taona → Volana → Andro.
- Ampiasao ny fanombohana bokotra (ambony havanana) ary fahazavana button (bottom right) to change the flashing value. The fanombohana button typically increases the value, and the fahazavana button decreases it (or cycles through options).
- Rehefa marina ny fika rehetra dia tsindrio ny HIATRIKA bokotra indray mba hialana amin'ny fomba fametrahana.

2.3 Fanitsiana ny Tariby
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. Torolàlana miasa
3.1 Fitetezana amin'ny fomba fiasa
Tsindrio ny MODE bokotra (ambany havia) mba hivezivezena amin'ireo fomba samihafa:
- Fomba fitahirizana fotoana: Displays the current time and date. This is the default mode.
- Fomba famantaranandro: Ampiasaina handrefesana ny fotoana efa lasa. Tsindrio fanombohana hanomboka/hijanona, HIATRIKA reset.
- Fomba fameram-potoana: A countdown timer. Set the desired time using HIATRIKA SY fanombohana, tsindrio avy eo fanombohana hanomboka.
- Fomba fanairana: Set up to five daily alarms. Use HIATRIKA SY fanombohana hametraka ny ora fanairana.
- Fomban'ny fotoana eran-tany: View the current time in various cities around the world. Use fanombohana to cycle through city codes.
3.2 Fampiasana ny Backlight
Tsindrio ny fahazavana 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 Ny fanoherana ny rano
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. Fikojakojana
4.1 Fanadiovana
Mba hanadiovana ny famantaranandronao dia fafao amin'ny lamba malefaka sy maina. Raha misy loto mafy loha dia ampiasao lamba malefaka.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 Fanoloana bateria
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 Fitandremana amin'ny fanoherana ny rano
- Aza tsindriana ireo bokotra raha mbola milentika ao anaty rano na lena ny famantaranandro.
- 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.
- Rehefa avy tratran'ny rano masira dia kobanina tsara amin'ny rano madio ny famantaranandro ary fafao ho maina.
4.4 Fitehirizana
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. Famahana olana
| OLANA | Antony mety hitranga | vahaolana |
|---|---|---|
| Watch display is blank or dim. | Herin'ny bateria ambany. | Soloy ny bateria. Miresaha amin'ny teknisianina matihanina amin'ny famantaranandro. |
| Incorrect time or date. | Time/date settings are incorrect or have been reset. | Refer to Section 2.2 "Time and Date Setting" to adjust. |
| Tsy mamaly ny bokotra. | Watch may be in a locked mode, or internal malfunction. | Try pressing and holding HIATRIKA 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. Famaritana
- Laharana modely: GA-2100BM-7A8ER
- Mpanamboatra: Casio
- Haben'ny vokatra: 5.12 x 1.18 x 3.15 santimetatra
- Lanja entana: 2.82 oz
- fanoherana ny rano: 20 BAR (200 metatra)
- Karazana bateria: 1 C battery (Note: Typically a button cell for G-SHOCK, but JSON states 'C battery'. Follow watch markings or consult professional.)
- Aseho: Analog sy nomerika
- Toetoetra: Shock Resistant, World Time, Stopwatch, Timer, Alarms, LED Light
7. Warranty sy fanohanana
7.1 International Warranty
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 Fanohanana ny mpanjifa
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 webtranokala: www.casio.com/support.





