TOZO NC20 Pro アクティブノイズキャンセリングワイヤレスイヤホン 取扱説明書

1. はじめに

Welcome to the world of immersive audio with your new TOZO NC20 Pro Active Noise Cancelling Wireless Earbuds. These earbuds are designed to provide a superior listening experience with advanced features such as LDAC Hi-Res Audio, adaptive active noise cancellation, and a smart touch screen charging case. This manual will guide you through the setup, operation, and maintenance of your device to ensure optimal performance and longevity.

2. 箱の中身

Your TOZO NC20 Pro package includes the following items:

• TOZO NC20 Pro アクティブノイズキャンセリングワイヤレスイヤホン
• Wireless Charging Case with Smart Touch Screen
• イヤーチップ（最適なフィット感のためのさまざまなサイズ）
• USB-C（A-C）ケーブル（20cm）
• ユーザーマニュアル

3. セットアップ

3.1. アクティベーション

To activate your TOZO NC20 Pro earbuds, ensure they are charged. You can power them on by pressing and holding the multifunction button on the charging case or by connecting a USB-C cable. Remove the insulation film from the earbuds and place them into the charging case. Close the lid for 10 seconds, then take the earbuds out again to complete the activation. For full functionality, open the TOZO App, connect to the charging case, and synchronize your phone's time.

3.2.Bluetoothペアリング

To pair your earbuds with a device, take the earbuds out of the charging case. The white indicator light on the earbuds will slowly flash, indicating pairing mode. On your phone or device, search for "TOZO NC20 Pro" in the Bluetooth settings and tap to connect. If the earbuds have been paired before, they will automatically reconnect to the last connected device. If no pairing record exists or pairing was canceled, the earbuds will enter pairing mode automatically.

3.3.アプリ接続

Download and install the TOZO App from Google Play Store or the Apple App Store. After confirming the earbuds are connected via Bluetooth, open the App, complete authorization, tap the "+" icon, search for "TOZO NC20 Pro", and connect. Once connected, all available functions and settings will be displayed, and the charging case time will sync automatically.

3.4. イヤホンの装着

Gently insert the earbuds into your ears. Rotate them toward the ear concha until they fit securely and comfortably. If the default ear tips feel uncomfortable, please try a different size from the spare ear tips provided in the box to ensure a proper seal and optimal sound quality.

4.運用

4.1. Touch & Button Controls

イヤホンには、さまざまな機能を直感的に操作できるタッチ コントロールが搭載されています。

• 音楽コントロール： Double-tap Left Earbud for Previous Track, Double-tap Right Earbud for Next Track. Single tap Right Earbud for Play/Pause. Press and hold Left Earbud for Volume Down, Press and hold Right Earbud for Volume Up.
• コールコントロール： Single tap Left or Right Earbud to Answer Call. Press and hold Left or Right Earbud to Reject/End Call or Cancel Outgoing Call.
• Noise Cancellation Control: Single tap Left Earbud to switch between Transparency Mode and Noise Cancellation. Triple tap Left or Right Earbud for Normal Mode (ANC OFF).
• 音声アシスタント： Triple tap Right Earbud to activate your phone's voice assistant.
• Factory Reset (Method 1): Place earbuds into the charging case and open the lid. Press and hold the multifunction button for 3 seconds until the factory reset menu appears on the case display. Select "Factory Reset" option.
• Factory Reset (Method 2 via Case): On the charging case, go to "Settings" > "General", then select "Factory reset".
• 強制ペアリング: If earbuds cannot be found, go to Charging Case > Settings > General > Force Pairing. Follow on-screen instructions to clear pairing records and allow earbuds to be rediscovered.

4.2. Smart Case Gesture Controls

The smart charging case offers additional gesture controls:

• Double tap screen or single press button: Wake screen.
• Swipe right: Unlock.
• Swipe left or right: Select functions (Music, Volume, Noise Cancellation, Sound Modes, Find My Earbuds, Low Latency Mode, Settings).

4.3. App Features Overview

The TOZO App unlocks a wide range of customization and advanced features:

• Hearing Compensation: The app conducts a hearing test to analyze sensitivity across different frequencies. AI enhances less sensitive frequencies while reducing volume in sensitive ranges to protect hearing.
• ノイズキャンセル設定: Six modes available via the App or charging case: Noise Cancellation, Transparency Mode, Reduce Wind Noise, Leisure Mode, Normal Mode, Adaptive Mode. (Noise cancellation memory is off by default and can be manually enabled.)
• イコライザー（EQ）： 32 preset EQs + 1 custom EQ available via App and charging case. Free-band advanced EQ available in the App. (All EQs except Advanced EQ can be shared to EQ Zone.)
• サウンドモード: Music Mode / Spatial Audio available via App or case.
• Charging Case Settings: Wallpaper, brightness, screen timeout, language, time format, and more.
• カスタム壁紙: Upload images via the wallpaper menu following on-screen steps.
• デジタルユーザーマニュアル: Access via Settings -> "?", or scan the QR code in the printed manual.
• 低遅延モード: Enable Low Latency Mode via App settings or Sound Mode menu. (Low Latency Mode is not saved after power-off to ensure signal stability.)
• 耳内検出: Wear Detection can be toggled via App or charging case. Music pauses when earbuds are removed and resumes when worn.
• マルチポイント接続： Power on the earbuds and pair with Device A. Disconnect Device A, then the earbuds enter pairing mode and connect to Device B. Reconnect Device A by selecting it from your Bluetooth list. The earbuds will then be connected to both devices simultaneously. (When the earbuds are connected to two devices simultaneously, if Device A is playing audio and you start playback on Device B, the earbuds will automatically pause playback on Device A and switch to play audio from Device B. Multipoint connection and LDAC cannot be enabled at the same time.)
• LDAC： Enable LDAC via App or charging case settings. (Earbuds will restart when LDAC is enabled or disabled. LDAC and Multipoint connection cannot be enabled at the same time.)
• タッチコントロールのカスタマイズ: Go to App Settings -> Touch Controls to customize left and right earbud functions.
• OTA アップデート: App Settings -> Scroll to OTA Update. A red "NEW" indicator appears when updates are available. Download the latest firmware for optimal performance. Charging case -> Scroll to OTA Update. A red "NEW" indicator appears when updates are available. Download the latest firmware for optimal performance.
• イヤホンを探す: Use via App or charging case to locate left or right earbud separately. Do not use while wearing the earbuds. (Charging case search is unavailable when the connection icon is grayed out.)
• 水の噴射: If earbuds get wet, activate Water Ejection in the App. After completion, wipe dry and let them rest before use.
• ボリュームバランス: Adjust the volume balance of the left and right earbuds in the App.
• AI機能: Meeting Recording, Real-Time Translation, Simultaneous Interpretation, AI Chat.

5. メンテナンス

5.1.毎日の清掃

To ensure reliable performance, clean the charging contacts on the earbuds and the charging case regularly using a cotton swab. Check whether the charging contacts are dirty or blocked by foreign objects.

6。 トラブルシューティング

6.1. よくある問題と解決策

• イヤホンがペアリングされない: Ensure earbuds are fully charged and in pairing mode. Disconnect from other devices and try re-pairing. Perform a factory reset if necessary.
• 音質の問題: Check ear tip fit for a proper seal. Adjust EQ settings in the TOZO App. Ensure LDAC is enabled for high-resolution audio if your device supports it.
• ノイズキャンセルが効かない: Ensure earbuds are properly seated in your ears. Select the appropriate ANC mode in the app (Noise Cancellation, Adaptive Mode).
• 充電に関する問題: Clean charging contacts on both earbuds and case. Ensure the USB-C cable is securely connected or the wireless charging pad is correctly aligned. Remove any metal objects from the wireless charging pad.
• アプリの接続の問題: Ensure Bluetooth is enabled and the earbuds are connected to your phone. Restart the app or your phone if issues persist.

6.2. Wireless Charging Tips

Place the charging case face-up at the center of the wireless charging pad. The battery indicator light on the charging case will turn on and begin flashing. Once fully charged, the light will stop flashing. Note: Please remove any metal objects from the charging pad before charging. If the charging case overheats, charging will automatically pause.

7. 仕様

8.保証とサポート

For warranty information, technical support, or any inquiries regarding your TOZO NC20 Pro earbuds, please visit the official TOZO website or contact their customer service directly. Details can typically be found in the product packaging or on the TOZO brand store page.

TOZO is committed to providing high-quality products and excellent customer service. If you encounter any issues, do not hesitate to reach out to their support team for assistance.