1. はじめに
The Geemarc CL7370 Opti is a wireless amplified TV headphone system designed to enhance the audio experience for individuals with hearing impairment. This system allows users to listen to television programs or other audio sources at a comfortable volume without disturbing others in the same room. It features versatile connectivity options, including optical, RCA, and 3.5mm analog inputs, ensuring compatibility with a wide range of audio devices. The lightweight headset incorporates direct controls for audio adjustments and an ambient sound amplification function.
2.製品オーバーview
2.1 コンポーネント
- CL7370 Opti Wireless Headset
- Charging Base / Transmitter
- 電源アダプター
- 光オーディオケーブル
- RCAオーディオケーブル
- 3.5mmオーディオジャックケーブル
2.2 主な特徴
- 高い Amplification: オーディオ amplification up to 125dB SPL, suitable for various levels of hearing loss.
- ユニバーサル互換性: Connects to TVs and other audio devices via optical, RCA, or 3.5mm audio jack.
- 軽量設計: Headset weighs approximately 55 grams for extended comfort.
- 統合されたコントロール: Volume, balance (right/left), and tone adjustments directly on the headset.
- 環境音 Amplification: Built-in microphone to amplify surrounding sounds, activated by a button on the headset.
- 自動スタンバイ: Headset powers off automatically after two minutes of losing the audio signal to conserve battery.
- 長いバッテリー寿命: フル充電で最大6時間連続使用可能。

The Geemarc CL7370 Opti wireless TV headphones are shown resting on their compact charging base. The base features the Geemarc logo and clearly visible control buttons for power and microphone activation.

An elderly woman is depicted comfortably wearing the Geemarc CL7370 Opti wireless headphones, holding a television remote control. This illustrates the product's use for personal TV listening.

詳細な view of the central control unit on the Geemarc CL7370 Opti headset, highlighting the accessible buttons for volume adjustment (plus and minus), power on/off, and microphone activation.
3. セットアップ
3.1 Connecting the Charging Base
- 電源接続: Connect the provided power adapter to the charging base and plug it into a wall outlet.
- オーディオ接続(1つの方法を選択):
- 光(デジタルオーディオに推奨): Use the optical audio cable to connect the "OPTICAL IN" port on the charging base to the "OPTICAL OUT" port on your television or audio source. Ensure the protective caps are removed from the cable ends.
- RCA(アナログオーディオ): Use the RCA audio cable to connect the "AUDIO IN" (red and white) ports on the charging base to the corresponding "AUDIO OUT" ports on your television or audio source.
- 3.5mm Audio Jack (Analog Audio): Use the 3.5mm audio jack cable to connect the "AUDIO IN" port on the charging base to the headphone jack or 3.5mm audio output on your television, radio, or DVD player.

A close-up shot of the Geemarc CL7370 Opti charging base, specifically highlighting the optical (SPDIF) audio input port, indicating its compatibility with modern televisions.
3.2 初期充電
Place the headset onto the charging base. The charging indicator light on the base will illuminate, indicating that the headset is charging. A full charge takes approximately 3 hours.
4. 操作手順
4.1 電源のオン/オフ
- To power on the headset, press and hold the power button (usually marked with a circle and a vertical line) on the headset's control unit until an indicator light appears.
- 電源を切るには、もう一度電源ボタンを長押しします。
4.2 オーディオの調整
- 音量コントロール: Use the '+' and '-' buttons on the headset to increase or decrease the listening volume.
- バランス制御: Adjust the left/right audio balance using the dedicated balance control buttons (if present, refer to headset markings).
- トーンコントロール: Modify the audio tone (treble/bass) using the tone control buttons (if present, refer to headset markings) to suit your preference.
4.3 Ambient Sound Amp化
- The headset features a built-in microphone to amplify ambient sounds, allowing you to hear conversations around you.
- Press the microphone button (usually marked with a microphone icon) on the headset to activate this feature.
- Press the button again to deactivate ambient sound amplification and return to the audio source.
- 注記: This feature is not a medical hearing aid.
4.4 自動スタンバイ
The headset is designed to automatically enter standby mode (power off) approximately two minutes after it loses the audio signal from the transmitter. This feature helps conserve battery life if you forget to place the headset back on its charging base.
5. メンテナンス
5.1 クリーニング
- Wipe the headset and charging base with a soft, dry cloth.
- 研磨剤や溶剤は使用しないでください。
- デバイスの開口部に液体が入らないようにしてください。
5.2バッテリーケア
- バッテリー寿命を最適にするには、初めて使用する前にヘッドセットを完全に充電してください。
- Recharge the headset regularly, especially if it has not been used for an extended period.
6。 トラブルシューティング
- 音が出ない:
- Ensure the charging base is powered on and connected correctly to the audio source (TV, radio, etc.).
- Verify the headset is powered on and fully charged.
- Check the volume level on both the headset and the audio source.
- Confirm the correct audio output is selected on your TV/audio source.
- If using optical, ensure the TV's audio output is set to PCM (not Bitstream or Dolby Digital).
- 歪んだ音:
- Reduce the volume on the headset or the audio source.
- Ensure the headset is within range of the charging base.
- 他のワイヤレス デバイスからの干渉がないか確認してください。
- Ambient Sound Too Loud/Noisy:
- The ambient sound amplification feature is designed to pick up surrounding sounds. If it is too loud or noisy, deactivate it by pressing the microphone button on the headset.
- This feature is not intended for continuous use as a hearing aid.
- ヘッドセットが充電されない:
- Ensure the power adapter is securely connected to the base and the wall outlet.
- Verify the headset is correctly placed on the charging contacts of the base.
7. 仕様
- ブランド: ジーマーク
- モデル名: CL7370 Opti
- 色: 黒
- ヘッドフォンタイプ: Over-ear (Stethoscope style)
- 接続性: 無線
- オーディオ入力: 3.5mm Audio Jack, RCA, Optical (SPDIF)
- 特別な機能: Lightweight, Ambient Sound Amp化
- 対応デバイス: Television, Radio, DVD Player
- バッテリー構成: リチウムイオン
- 充電式バッテリー: はい
- バッテリー寿命: 最大6時間
- 充電時間: 約3時間
- ヘッドセット重量: 55グラム
- 周波数応答: 100~16,000Hz
8. 保証とサポート
For information regarding warranty coverage, technical support, or replacement parts, please refer to the documentation included with your purchase or visit the official Geemarc website. Contacting Geemarc customer service directly is recommended for specific inquiries.





