1. はじめに
This manual provides detailed instructions for the installation, operation, and maintenance of your VIOFO A129 Pro Duo 4K Dual Dash Cam. Please read this guide thoroughly before use to ensure proper functionality and to maximize your device's performance. This dash cam is designed to record high-quality video footag車両の前方と後方の両方から監視できるので、セキュリティと安心感が高まります。
2.製品オーバーview
2.1. 箱の中身
- フロントカメラ×1
- リアカメラ×1
- Rear Camera Cable (6M) x 1
- 車の充電器×1
- ミニUSBケーブル×1
- GPS Module (Base) x 1
- Edge Removal Tool x 1
- 3Mステッカー×4
- 静電ステッカー×1
- ユーザーマニュアル x 1

Image: All components included in the VIOFO A129 Pro Duo package.
2.2. 主な特徴
- Ultra HD 4K Dual Channel Recording: Captures 4K 30fps (front) and 1080P (rear) footage simultaneously using 8MP IMX317 and IMX291 sensors.
- スーパーナイトビジョン&WDR: Enhanced low-light performance with 7-Glass F1.8 aperture lens and Wide Dynamic Range technology.
- 高度な駐車モード: Features buffered recording (15s before, 30s after event) with Auto Event Detection, Time Lapse, and Low Bitrate options (requires VIOFO HK3 hardwire kit, sold separately).
- Wireless Wi-Fi & GPS: Dual-band 5GHz & 2.4GHz Wi-Fi for faster file transfer and app control. Built-in GPS logs speed and location data.
- 2.4インチHDスクリーン: Provides a clear preview and easy navigation of settings.
- microSDカードのサポート: Supports up to 512GB high endurance microSD cards (sold separately).
3. セットアップとインストール
3.1. SDカードのインストール
Insert a high endurance microSD card (up to 512GB, sold separately) into the designated slot on the main dash cam unit. Ensure the card is formatted before first use. VIOFO industrial high endurance microSD cards are recommended for optimal performance and durability.

Image: VIOFO recommends using their industrial high endurance microSD cards for reliable recording.
3.2. フロントカメラの取り付け
- フロントガラスの希望する部分を徹底的に清掃します。
- Apply a static sticker to the clean windshield. This allows for easier removal of the dash cam mount later.
- Peel off the protective film from one side of the 3M adhesive on the GPS module.
- Attach the GPS module to the static sticker on the windshield.
- Slide the main dash cam unit onto the mounted GPS module.
3.3. リアカメラの取り付け
Clean the desired area on your rear windshield. Apply a static sticker, then attach the rear camera using its 3M adhesive. Adjust the camera's tilt for optimal viewing。
3.4. 配線とケーブル管理
- Connect the rear camera to the main unit using the provided 6M rear camera cable. Route the cable neatly along the headliner, down the A-pillar (avoiding airbags), and along the door trim to the rear windshield.
- Connect the main dash cam unit to the car charger using the Mini USB cable. Plug the car charger into your vehicle's 12V power outlet.
- Alternatively, for a cleaner installation, you can use a hardwire kit (VIOFO HK3, sold separately) to connect directly to your car's fuse box for continuous power, enabling advanced parking modes.
3.5. 電源オン
The VIOFO A129 Pro Duo is designed to automatically power on and begin recording when your vehicle's ignition is turned on. It will power off automatically when the engine is turned off.

Image: The VIOFO A129 Pro Duo dash cam installed on a windshield, showing its compact design and connectivity with a smartphone app.
4. 操作
4.1. 基本的な操作
The dash cam features several physical buttons on its front panel for basic control:
- 電源ボタン: デバイスの電源をオン/オフにします。
- メニューボタン: 設定メニューにアクセスします。
- RECボタン: Starts/stops manual recording.
- Emergency Button (Triangle Icon): Manually locks the current recording to prevent it from being overwritten.
- マイクボタン: Toggles audio recording on/off.
- Wi-Fiボタン: Toggles Wi-Fi connectivity on/off.
4.2. VIOFO App Usage
Download the VIOFO Dashcam app from your smartphone's app store. Connect your phone to the dash cam's Wi-Fi network (5GHz recommended for faster speeds). The app allows for:
- ライブ view フロントカメラとリアカメラ。
- Accessing and changing all device settings.
- Downloading recorded videos to your smartphone.
- ファームウェアの更新。

Image: A smartphone showing the VIOFO app interface with a comparison of 5GHz and 2.4GHz Wi-Fi download speeds.
4.3. 音声コントロール
The A129 Pro Duo supports smart voice control for hands-free operation. Use simple spoken commands to:
- 録画を開始/停止します。
- 写真を撮る。
- Wi-Fi をオン/オフにします。
- 現在のビデオをロックします。
4.4. 駐車モード
The dash cam offers advanced parking surveillance modes to protect your vehicle when parked. These modes require continuous power, typically supplied via a hardwire kit (sold separately).
- 自動イベント検出: Records 15 seconds before and 30 seconds after an impact or motion is detected.
- タイムラプス録画: Records video at low frames per second (1/2/3/5/10 fps) continuously without audio, saving storage space.
- 低ビットレート録画: Records continuously at a low bitrate for both front and rear cameras, saving file size while including audio.

Image: Diagram illustrating the Auto Event Detection feature, showing buffered recording before and after an event.
5. 設定
Access settings via the dash cam's menu buttons or the VIOFO Dashcam app. Key settings include:
- ビデオ解像度: Select desired resolution (e.g., 4K 30fps, 2K 60fps, 1080P).
- ループ録音: Set video clip duration (e.g., 1, 3, 5, 10 minutes).
- オーディオ録音: オーディオ録音を有効または無効にします。
- Exposure Value (EV): Adjust brightness for front, rear, and interior cameras.
- HDR (ハイ ダイナミック レンジ): Enable for improved image quality in high-contrast lighting.
- Gセンサー: Adjust sensitivity for impact detection.
- デイトストリートamp: Toggle date and time overlay on video.
- ビットレート: Choose video quality (e.g., Normal, High, Maximum).
- GPS: Enable/disable GPS logging, set speed unit (KM/H or MP/H), and choose GPS info stamp 形式。
- Wi-Fi: Select 2.4GHz or 5GHz band.
- スクリーンセーバー: Set time for screen to turn off automatically.
6. メンテナンス
- MicroSDカード: Use high endurance microSD cards. Regularly format the card (e.g., monthly) to ensure optimal performance and prevent data corruption.
- ファームウェアの更新: VIOFOをチェックする website or app for the latest firmware updates to ensure your dash cam has the most current features and bug fixes.
- クリーニング: Keep the camera lenses and windshield clean for clear video footage.
7。 トラブルシューティング
- Dash Cam Not Recording/Restarting: Ensure you are using a high endurance microSD card. Format the card. Check power connection. Update firmware.
- Wi-Fi 接続の問題: Ensure Wi-Fi is enabled on the dash cam. Try switching between 2.4GHz and 5GHz bands. Restart both the dash cam and your smartphone.
- ビデオ品質が悪い: Clean camera lenses and windshield. Adjust exposure settings. Ensure HDR is enabled in high-contrast situations.
- GPSが機能しない: GPSモジュールが正しく接続され、クリアな状態であることを確認してください。 view of the sky. Check GPS settings in the app/device.
- メモリカードエラー: Use a high endurance microSD card. Format the card. Replace the card if errors persist.
8. 仕様
- モデル名: A129プロデュオ
- ビデオキャプチャ解像度: 4K (Front) + 1080P (Rear), 2K 60fps (Front) + 1080P (Rear)
- イメージセンサー: Front: 8MP IMX317, Rear: IMX291
- の分野 View: フロント:140度、リア:160度
- 接続技術: Wi-Fi(5GHzおよび2.4GHz)
- 画面: 2.4" HD Screen
- 取り付けタイプ: 接着剤による取り付け
- 商品の重量: 1.65ポンド
- 製品寸法: 8 x 5.4 x 3.5インチ
- 電池: 1 個のリチウム金属電池が必要
9. オプションアクセサリ
Enhance your dash cam experience with these optional accessories:
- CPL Lens (Circular Polarizing Lens): Reduces glare and reflections from the windshield.
- Bluetoothリモートコントロール: Allows for quick saving and locking of important videos with a single press.
- HK3 Hardwire Kit: Enables advanced parking modes and provides continuous power.

CPL Lens

Bluetoothリモート

ハードワイヤーキット
Image: Optional accessories for the VIOFO A129 Pro Duo, including CPL lens, Bluetooth remote, and hardwire kit.
10. 公式製品ビデオ
VIOFO A129 Plus Duo Dash Camera Review &Sampル・フーtage
ビデオ: 詳細なview of the VIOFO A129 Plus Duo Dash Camera, including sampル・フーtage and discussion of its features and performance.
Is VIOFO A129 Pro Duo Dash Cam 4K Worth It?
Video: An evaluation of the VIOFO A129 Pro Duo Dash Cam's 4K capabilities, assessing its value and performance for users.
The Unboxing Of VIOFO A129 Pro Duo Dash Cam 4K
ビデオ: 開封ビデオショーasing the contents and initial presentation of the VIOFO A129 Pro Duo 4K Dash Cam.
Piece of Cake - VIOFO Dash Cam First Impressions
Video: First impressions and initial setup of the VIOFO Dash Cam, highlighting ease of use and key features.
11.保証とサポート
VIOFO offers protection plans for your dash cam. You can find options for 2-Year Protection Plan, 3-Year Protection Plan, and Complete Protect (monthly subscription) on the product page. For further support, please refer to the VIOFO official webサイトをご覧いただくか、カスタマーサービスにお問い合わせください。