導入
Thank you for choosing the YISENCE 4K Underwater Camera. This manual provides essential information for setting up, operating, and maintaining your camera to ensure optimal performance and longevity. Designed for aquatic adventures, this camera captures stunning 4K video and 56MP photos, featuring a dual-screen for easy selfies and an autofocus function for clear images.

Figure 1: YISENCE 4K Underwater Camera (Blue) with front and rear screens visible, showcasing its compact design and included 32GB microSD card.
箱の中身
- YISENCE 4K Underwater Camera (Model: 4k806)
- 1250mAh充電式リチウムイオンバッテリー
- 32GB マイクロ SD カード
- USB Type-Cケーブル(充電・データ転送用)
- ユーザーマニュアル
設定
1. Inserting the Battery and Micro SD Card
The camera requires a 1250mAh rechargeable battery and a Micro SD card (up to 128GB, 32GB included) for operation and storage. Ensure the battery compartment is properly sealed to maintain waterproofing.
- カメラの側面にある電池ケースのドアを見つけます。
- To open, firmly press the cover lock with one hand while pushing out the battery cover with the other. This mechanism ensures a secure waterproof seal.
- Insert the 1250mAh battery into its slot, ensuring correct polarity.
- Micro SD カードをカチッと音がするまで指定されたスロットに挿入します。
- Close the battery compartment door securely until you hear a click, ensuring it is fully sealed to prevent water ingress.

Figure 2: Illustrated steps for opening the battery compartment, inserting the battery, and inserting the Micro SD card.
2. バッテリーの充電
Before first use, fully charge the camera battery. Use the provided Type-C USB cable to connect the camera to a power source (e.g., computer USB port, wall adapter). The charging indicator will show the charging status.
操作手順
1.電源のオン/オフ
カメラの電源をオンまたはオフにするには、電源ボタン (通常は電源記号が付いています) を長押しします。
2. 写真を撮る
The camera features an intuitive autofocus system for clear photos.
- Frame your shot using either the front or rear screen.
- Half-press the shutter button to activate autofocus. Wait for the focus frame on the screen to turn green, indicating focus has been achieved.
- シャッターボタンを完全に押して写真を撮影します。

Figure 3: Demonstrating the autofocus function, where a green box indicates successful focus before capturing a 56MP photo.
3.ビデオの録画
Switch to video mode (refer to camera interface for specific button/menu option) and press the shutter button to start and stop recording 4K video.

Figure 4: The camera's capability for 4K video recording, capturing dynamic scenes underwater.
4. Using Dual Screens for Selfies
The camera features both a front and rear screen, ideal for framing selfies and group shots. Simply switch between screens as needed (consult camera buttons/menu for screen toggle). The camera is also floatable, adding convenience for water activities.

Figure 5: The dual-screen design allows for easy selfies and group photos, enhancing the user experience.
5.デジタルズーム
Utilize the zoom buttons (T/W) to digitally zoom in or out up to 16x. Note that digital zoom may affect image quality.
6. フラッシュモード
The built-in flash can be set to Auto, On, or Off depending on lighting conditions. Adjust this setting via the camera's menu or dedicated flash button.
メンテナンス
- 防水シール: Always ensure the battery compartment door is securely closed and sealed before submerging the camera. Regularly inspect the rubber seals for any debris or damage.
- クリーニング: After use in saltwater, rinse the camera with fresh water and wipe it dry with a soft cloth. Do not use abrasive cleaners.
- バッテリーのケア: For optimal battery life, avoid fully discharging the battery frequently. Store the camera and battery in a cool, dry place when not in use.
- ストレージ: 傷や衝撃を防ぐためにカメラを保護ケースに入れて保管してください。
トラブルシューティング
- カメラがオンにならない: バッテリーが完全に充電され、正しく挿入されていることを確認してください。
- 写真/ビデオを撮影できません: Check if the Micro SD card is inserted correctly and has sufficient free space. The card might be full or corrupted.
- ぼやけた画像: Ensure the lens is clean and free from smudges or water droplets. Allow the autofocus to lock before fully pressing the shutter.
- 水漏れ: Immediately remove the battery and Micro SD card. Do not use the camera. Contact customer support. Ensure the battery compartment was properly sealed before submersion.
仕様
| 特徴 | 詳細 |
|---|---|
| ブランド | イーセンス |
| モデル名 | 4k806 |
| 最大 Webカム画像解像度 | 56 MP |
| ビデオ解像度 | 4K(2160p) |
| 耐水性レベル | Waterproof (up to 11FT) |
| バッテリー容量 | 1250mAhリチウムイオン |
| Battery Average Life (Recording) | 70 minutes |
| External Memory Size (Included) | 32 GB Micro SD |
| Max External Memory Supported | 128 GB Micro SD |
| デジタルズーム | 16倍 |
| 画面サイズ | 2.7インチ(液晶) |
| 特集 | Lightweight, Travel, Waterproof, Dual-Screen, Floatable |
| 接続技術 | USBタイプC |
| アイテム重量 | 4.58オンス |
| 寸法(L×H) | 4.13インチ×2.5インチ |

Figure 6: The compact and lightweight design of the camera, with dimensions of 4.13 inches (length) by 2.5 inches (height) and a weight of 4.58 ounces.

Figure 7: Information on the 1250mAh power source and over 70 minutes of recording time.
保証とサポート
Your YISENCE 4K Underwater Camera comes with a 1年間保証 ご購入日より1年間有効です。保証請求の際は購入証明書を保管してください。
For technical support, troubleshooting assistance, or warranty inquiries, please visit the official YISENCE store on Amazon or contact their customer service directly.