SEIKO Global Radio Wave Digital Alarm Clock

導入

This manual provides detailed instructions for the proper use and maintenance of your SEIKO Global Radio Wave Digital Alarm Clock, model SQ648S. This compact alarm clock is designed for convenience, especially during travel, featuring global radio wave reception, an alarm, calendar, and temperature display.

正しい操作を確保し、製品の寿命を最大限に延ばすために、製品を使用する前にこのマニュアルをよくお読みください。

主な特徴

• Global Radio Wave Reception: Automatically corrects time by receiving signals from Japan (40kHz/60kHz), USA, Germany, and the UK.
• 電子アラーム: Features a gradual tone alarm with 4 volume levels.
• スヌーズ機能： Allows for temporary alarm suspension.
• フルオートカレンダー: Displays date and day of the week automatically.
• 温度表示： Shows ambient temperature (accuracy ±2°C).
• 12/24時間表示: 12 時間形式と 24 時間形式を切り替えます。
• 低バッテリーインジケーター: バッテリー交換が必要になったときに通知します。
• コンパクトでポータブルなデザイン: Ideal for travel and business trips.

パッケージ内容

パッケージにすべてのアイテムが揃っていることを確認してください:

• SEIKO Global Radio Wave Digital Alarm Clock (Model SQ648S)
• AAA Alkaline Batteries (x2)
• Instruction Manual (this document) with Warranty Information

設定

1. 電池の取り付け

1. 時計の背面にある電池ボックスのカバーを開きます。
2. 極性（+/-）が正しいことを確認して、単4アルカリ電池2本を挿入します。
3. 電池カバーをしっかりと閉じてください。

図1: 前面 view of the SEIKO SQ648S clock. The main display shows the time, and the radio wave reception icon is visible.

2. Initial Time Setting and Radio Wave Reception

Upon battery installation, the clock will automatically attempt to receive a radio time signal. This process may take several minutes.

• 信号を最適に受信するには、時計を窓の近くに設置してください。
• The radio wave icon on the display will indicate signal strength. A solid icon means successful reception.
• If reception is unsuccessful, the time can be set manually (refer to the "Manual Time Setting" section in Operating Instructions).

図2：詳細 view of the digital display, showing time, date, temperature, and the radio wave reception indicator.

操作手順

Time Display Modes (12/24 Hour)

Press the "12/24H" button to switch between 12-hour (with AM/PM indicator) and 24-hour formats.

アラーム設定

1. Press the "ALARM SET" button. The alarm time will flash.
2. Use the "HOUR" and "MINUTE" buttons to adjust the desired alarm time.
3. Press "ALARM SET" again to confirm.
4. To activate/deactivate the alarm, slide the "ALARM ON/OFF" switch. An alarm icon will appear on the display when active.

スヌーズ機能

When the alarm sounds, press the "SNOOZE/LIGHT" button to temporarily stop the alarm. The alarm will sound again after approximately 5 minutes.

ディスプレイバックライト

Press the "SNOOZE/LIGHT" button to illuminate the display for a few seconds.

Temperature and Date Display

The clock automatically displays the temperature and date. You can switch between displaying temperature or day of the week by pressing the "TEMP/DAY" button.

Manual Time Setting (If radio reception fails)

1. Press and hold the "SET" button until the time starts flashing.
2. Use the "HOUR" and "MINUTE" buttons to adjust the time.
3. Press "SET" to move to the next setting (Year, Month, Day). Adjust using "HOUR" and "MINUTE".
4. Continue pressing "SET" to cycle through all settings and exit manual setting mode.

注記： Manual time setting will be overwritten if the clock successfully receives a radio wave signal later.

Time Zone Adjustment (for Global Travel)

This clock supports time zone adjustment for different regions. Refer to the detailed instructions in the full manual for specific time zone settings for Japan, USA, Germany, and UK radio wave reception areas.

メンテナンス

クリーニング

Wipe the clock with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the casing と表示します。

バッテリー交換

When the low battery indicator appears on the display, replace both AAA alkaline batteries promptly. Old batteries should be disposed of according to local regulations.

注意： 古い電池と新しい電池、または異なる種類の電池を混ぜないでください。

トラブルシューティング

仕様

保証とサポート

保証情報

本製品には限定保証が付いています。具体的な保証条件および期間については、ご購入時に同梱されている保証書をご覧ください。保証請求の際は、購入証明書を保管してください。

カスタマーサポート

For further assistance, technical support, or inquiries regarding your SEIKO Global Radio Wave Digital Alarm Clock, please contact SEIKO customer service. Contact details can typically be found on the official SEIKO webサイトまたは保証書に記載されています。

You may also visit the official Seiko webFAQ と追加リソースのサイト: www.seikoclocks.com