Casio MWA-300H Series MWA300H-1AV Watch User Manual

導入

This manual provides detailed instructions for the proper use and maintenance of your Casio MWA-300H Series MWA300H-1AV watch. Please read this manual thoroughly to ensure optimal performance and longevity of your timepiece.

The Casio MWA-300H-1AV is a durable analog watch featuring a chronograph, 100-meter water resistance, and a clear, easy-to-read display with luminous hands.

設定

初期時間設定

1. リューズを引き出します: リューズ（時計の側面にあるノブ）を最初のクリック位置までゆっくりと引き出します。
2. 時間を設定する： Rotate the crown to move the hour and minute hands to the desired time. Ensure AM/PM is correctly set if your watch has a 24-hour indicator or date changes at midnight.
3. リューズを押し込みます: Once the time is set, push the crown back in to the normal position. The second hand will begin to move.

日付設定

The watch features a date window at the 3 o'clock position.

1. リューズを引き出します: リューズを最初のクリック位置までゆっくりと引き出します。
2. 日付を調整します: Rotate the crown in the opposite direction from time setting to change the date. Avoid setting the date between 9:00 PM and 1:00 AM, as this may interfere with the automatic date change mechanism.
3. リューズを押し込みます: リューズを通常の位置に押し戻します。

Image: The Casio MWA-300H-1AV watch face, highlighting the crown on the right side for time and date adjustments.

時計の操作

計時

The watch displays hours, minutes, and seconds using analog hands. The quartz movement ensures accurate timekeeping with a precision of approximately ±20 seconds per month.

ストップウォッチ機能

The Casio MWA-300H-1AV includes a 1/10-second stopwatch for precise timing. This function is controlled by the two push-buttons located on either side of the crown.

• Starting the Stopwatch: Press the upper right button to start timing.
• Stopping the Stopwatch: Press the upper right button again to stop timing.
• Resetting the Stopwatch: While the stopwatch is stopped, press the lower right button to reset it to zero.
• スプリットタイム: Press the lower right button while the stopwatch is running to record a split time. Press it again to return to the current elapsed time.

The three sub-dials on the watch face indicate stopwatch minutes, seconds, and 1/10 seconds.

耐水性（100メートル）

This watch is rated for 100-meter (330 feet) water resistance. This means it is suitable for swimming, showering, and recreational water activities. It is not suitable for scuba diving or high-impact water sports.

• 水に触れる前に、リューズが完全に押し込まれていることを確認してください。
• 時計が濡れているときや水中に沈んでいるときは、リューズやプッシュボタンを操作しないでください。
• 時計を海水にさらした後は、真水で洗い流し、拭いて乾かしてください。

発光ディスプレイ

The hour and minute hands, along with certain markers, are treated with a luminous material that absorbs light and glows in the dark, providing readability in low-light conditions.

メンテナンス

クリーニング

• 時計のケースとバンドは定期的に柔らかい乾いた布で拭いて、汚れや湿気を取り除いてください。
• 樹脂バンドの場合は、中性洗剤溶液と柔らかいブラシを使用して、よくすすいでから乾燥させてください。
• 時計の仕上げを損傷する恐れがあるため、化学洗剤、溶剤、研磨剤の使用は避けてください。

バッテリー交換

The watch is powered by one SR920SW battery, which has an approximate lifespan of 3 years. When the watch stops or the second hand moves erratically, it indicates a low battery. Battery replacement should be performed by a qualified watch technician to ensure proper sealing and water resistance.

防水に関する注意事項

• Have the water resistance gaskets checked and replaced every 2-3 years, especially if the watch is frequently exposed to water.
• 防水シールに影響を及ぼす可能性があるため、時計を極端な温度変化にさらさないでください。

トラブルシューティング

• 時計は実行されていません: リューズが完全に押し込まれているかどうかを確認してください。完全に押し込まれている場合は、電池を交換する必要がある可能性があります。
• 時間が不正確です: Ensure the crown is fully pushed in. If the time continues to be inaccurate, the watch may require servicing.
• Date does not change: Manually advance the date to ensure it is not stuck. If the issue persists, consult a service center.
• Fogging inside the crystal: This may indicate a loss of water resistance. Avoid further water exposure and have the watch inspected by a technician immediately.

仕様

保証情報

This Casio watch comes with a limited manufacturer's warranty. The warranty covers defects in materials and workmanship under normal use. Please refer to the warranty card included with your purchase for specific terms, conditions, and duration. Keep your proof of purchase for warranty claims.

The warranty typically does not cover damage resulting from improper handling, accidents, unauthorized repairs, or normal wear and tear of the case, band, or crystal.

カスタマーサポート

For further assistance, technical support, or service inquiries, please contact Casio customer service or visit the official Casio webサイト。

さらに詳しい情報やサポートリソースについては、 Amazonのカシオストア.