1. はじめにview
This manual provides comprehensive instructions for the Serounder Replacement Remote Control. This remote is specifically designed to function as a direct replacement for the original remote controls of compatible Sony Sound Bar models, requiring no complex programming or setup.
対応機種:
- Sony Sound Bar HT-CT390
- Sony Sound Bar HT-RT3
- Sony Sound Bar SA-CT390
- Sony Sound Bar SA-WCT390
The remote control is constructed from high-quality ABS material, ensuring durability and resistance to wear for long-term use.

Image: The remote control's durable ABS construction, designed for longevity.
2. セットアップ
2.1 バッテリーの取り付け
The Serounder Replacement Remote Control requires two (2) AAA batteries (not included) for operation. Please follow these steps for proper battery installation:
- リモコンの背面にある電池ボックスのカバーを見つけます。
- カバーを下方にスライドさせるか、ラッチを押してコンパートメントを開きます。
- 単 4 電池 2 本を挿入し、プラス (+) とマイナス (-) の端子がコンパートメント内のマークと正しく揃っていることを確認します。
- 電池ボックスのカバーを、カチッと音がするまで元の位置に戻します。

Image: Open battery compartment for AAA battery installation.
2.2最初の使用
After installing the batteries, the remote control is ready for immediate use. No additional programming, pairing, or complex setup procedures are required. Simply point the remote at your compatible Sony Sound Bar and press the power button to confirm functionality.
3. 操作手順
To operate your sound bar, point the remote control directly towards the sound bar's infrared (IR) receiver. Press the desired function button to control your device.

画像: 詳細 view リモコンのボタン。
3.1主な機能
- 電源ボタン: サウンドバーのオン/オフを切り替えます。
- 入力: オーディオ入力ソースを選択します。
- 調光器: Adjusts the brightness of the sound bar's display.
- Menu/Back/Enter: Navigates through the sound bar's menu options.
- ボリューム(+/-): マスターボリュームを増減します。
- SW (+/-): サブウーファーの音量を調整します。
- Clear Audio+/Voice: Enhances audio clarity or voice.
- 再生コントロール(再生/一時停止、早送り/巻き戻し): メディアの再生を制御します。
- 音場: さまざまなサウンド モードを切り替えます。
- 夜: Activates or deactivates night mode for reduced dynamic range.
3.2 Remote Control Distance
The effective operating distance for this remote control is typically greater than 8 meters (approximately 26 feet). Please note that the actual control distance may vary depending on the specific sound bar model, environmental conditions, and any obstructions between the remote and the sound bar's sensor.

Image: Illustration of the remote control's effective operating distance.
4. メンテナンス
4.1 電池の交換
To ensure optimal performance, replace the AAA batteries when the remote control's response becomes inconsistent, weak, or stops working entirely. Always replace both batteries simultaneously with new ones.
4.2 クリーニング
Wipe the remote control with a soft, dry cloth to remove dust and fingerprints. Avoid using liquid cleaners, solvents, or abrasive materials, as these can damage the remote's surface or internal components.
4.3 ストレージ
Store the remote control in a dry place, away from direct sunlight, high humidity, and extreme temperatures. If the remote will not be used for an extended period, it is recommended to remove the batteries to prevent leakage and potential damage.
5。 トラブルシューティング
5.1 リモコンが応答しない
- バッテリーを確認してください: Ensure that the two AAA batteries are inserted correctly with the positive (+) and negative (-) terminals aligned as indicated.
- 電池の交換: If the batteries are old or depleted, replace them with a fresh pair of AAA batteries.
- 障害物を取り除く: Make sure there are no objects blocking the line of sight between the remote control and the sound bar's infrared (IR) receiver.
- 正しく狙う: Ensure you are pointing the remote control directly at the sound bar.
5.2 Reduced Sensitivity
If the remote control becomes less responsive or requires multiple presses for commands, it is often an indication of low battery power. Replace the batteries with new ones. After replacing, test all functions to ensure the remote control operates as expected.
6. 仕様
| 特徴 | 詳細 |
|---|---|
| モデル番号 | Serounderqegn3ivc9s |
| 材料 | 高品質ABS |
| 電源 | 単2電池XNUMX本(別売) |
| 寸法(長さ×幅×高さ) | 約6.22 x 1.26 x 0.67インチ(158 x 32 x 17 mm) |
| 重さ | 約1.41オンス(40グラム) |
| 互換性 | Sony Sound Bar models HT-CT390, HT-RT3, SA-CT390, SA-WCT390 |

Image: Remote control dimensions.
7. 保証とサポート
Our products undergo strict quality inspection before shipment. In the event of any damage or if the product is unsuitable for use, please contact our customer support directly. We are committed to responding to your inquiries and concerns within 24 hours to provide assistance.
メーカー: Serounder
For further assistance or inquiries, please refer to the contact information provided with your purchase or visit the official Serounder brand store.