1. Rhagymadrodd
The YI 4K Action Camera is designed to capture high-quality video and photos in various environments. Featuring advanced technology such as 4K/30fps video recording, 12MP raw image capture, Electronic Image Stabilization (EIS), and voice control, it offers versatility and ease of use for all your adventures.
This manual provides detailed instructions on setting up, operating, maintaining, and troubleshooting your YI 4K Action Camera.

Figure 1.1: YI 4K Action Camera Overview
2. Cynnwys Pecyn
Gwiriwch fod yr holl eitemau yn bresennol yn eich pecyn:
- 1x YI 4K Action Camera
- 1x Batri y gellir ei ailwefru
- Cebl USB 1x
- Llawlyfr Defnyddiwr 1x
3. Camera Drosview
Ymgyfarwyddwch â chydrannau a rheolyddion y camera.
3.1. Blaen a Chefn View

Ffigur 3.1: Blaen View gyda Nodweddion Allweddol
The front features the lens, status indicator light, and microphone. The rear is dominated by the 2.2-inch LCD touchscreen for intuitive control.
3.2. Rhyngwyneb Sgrin Gyffwrdd

Figure 3.2: Touchscreen Operation
The touchscreen allows for easy navigation through settings, previewing footage, and initiating recording. It is made with Gorilla Glass Retina for durability.
3.3. Porthladdoedd a Botymau
- Botwm Pŵer/Caead: Located on top, used to power on/off the camera and start/stop recording or take photos.
- Porthladd Micro USB: Located on the side, used for charging and data transfer.
- Slot Cerdyn MicroSD: Located at the bottom, for inserting the memory card.
- Adran Batri: Located at the bottom, for inserting the rechargeable battery.
- Mount trybedd: Standard 1/4" thread on the bottom for mounting accessories.
4. Gosodiad Cychwynnol
4.1. Codi Tâl y Batri
Before first use, fully charge the included rechargeable lithium-ion battery.
- Agorwch glawr adran y batri ar waelod y camera.
- Insert the battery into the compartment, ensuring correct orientation.
- Caewch y clawr adran batri yn ddiogel.
- Connect the camera to a USB power source (e.g., computer, wall adapter) using the provided USB cable. The status indicator light will show charging status.

Ffigur 4.1: Mewnosod y Batri
4.2. Mewnosod Cerdyn MicroSD
A MicroSD card (not included) is required to store videos and photos. Use a high-speed card (Class 10 or UHS-I/UHS-3 recommended) for optimal performance.
- Sicrhewch fod y camera wedi'i bweru i ffwrdd.
- Locate the MicroSD card slot on the bottom of the camera.
- Insert the MicroSD card with the contacts facing down until it clicks into place.
- I'w dynnu allan, gwthiwch y cerdyn yn ysgafn i mewn nes ei fod yn clicio, yna rhyddhewch i'w daflu allan.
5. Gweithredu'r Camera
5.1. Pŵer Ymlaen / I ffwrdd
- Pŵer Ymlaen: Pwyswch a daliwch y botwm Pŵer/Caead am ychydig eiliadau nes bod y sgrin yn troi ymlaen.
- Pwer i ffwrdd: Pwyswch a daliwch y botwm Pŵer/Caead am ychydig eiliadau nes bod y sgrin yn diffodd.
5.2. Recording Videos and Taking Photos
Once powered on, the camera defaults to video recording mode. You can switch between modes using the touchscreen.
- Dechrau Recordio: In video mode, press the Power/Shutter button once. The recording indicator will flash.
- Stopio Recordio: Press the Power/Shutter button again.
- Tynnu Llun: Switch to photo mode via the touchscreen, then press the Power/Shutter button once.
5.3. Moddau Saethu
The YI 4K Action Camera offers various shooting modes to suit different scenarios:

Figure 5.1: Available Shooting Modes
- Fideo: Standard video recording (up to 4K/30fps).
- Llun: Single photo capture (up to 12MP).
- Amser-dod i ben: Captures a series of photos at set intervals to create a video.
- Cynnig Araf: Yn recordio fideo cyfradd ffrâm uchel ar gyfer chwarae symudiad araf.
- Byrstio: Yn tynnu lluniau lluosog yn gyflym yn olynol.
- Amserydd: Sets a delay before taking a photo.
5.4. Connecting to the YI Action App (Wi-Fi)
The YI Action App allows for remote control, live preview, and easy sharing of content.

Figure 5.2: Wi-Fi Connection for App Control
- Download the YI Action App from your smartphone's app store.
- On the camera, enable Wi-Fi through the touchscreen settings.
- Ar eich ffôn clyfar, cysylltwch â rhwydwaith Wi-Fi y camera (SSID a chyfrinair yn cael eu harddangos ar sgrin y camera).
- Open the YI Action App to connect and control your camera.

Figure 5.3: YI Action App Interface
5.5. Rheoli Llais
The camera supports voice commands for hands-free operation. Ensure the latest firmware is installed to enable this feature.
- Specific voice commands can be found in the camera's settings menu or the YI Action App.
5.6. Electronic Image Stabilization (EIS)
EIS helps to stabilize video footage, reducing shakiness. This feature is available for certain resolutions and frame rates (e.g., up to 2.7K/60fps).
- Enable or disable EIS through the camera's settings menu on the touchscreen.
6. Cynnal a Chadw a Gofal
- Glanhau: Use a soft, lint-free cloth to clean the camera body and lens. Do not use harsh chemicals or abrasive materials.
- Storio: Storiwch y camera mewn lle oer, sych i ffwrdd o olau haul uniongyrchol a thymheredd eithafol. Tynnwch y batri os ydych chi'n ei storio am gyfnodau hir.
- Amlygiad Dŵr: The camera itself is not waterproof. Use a compatible waterproof case (sold separately) for underwater use.
- Diweddariadau Cadarnwedd: Regularly check for and install firmware updates via the YI Action App or YI Technology websafle i sicrhau perfformiad gorau posibl a mynediad at nodweddion newydd.
7. Datrys Problemau
If you encounter issues with your YI 4K Action Camera, refer to the table below for common problems and solutions.
| Problem | Ateb Posibl |
|---|---|
| Nid yw'r camera yn troi ymlaen. | Ensure the battery is fully charged. Reinsert the battery. |
| Gwall cerdyn microSD. | Use a high-speed (Class 10/UHS-I/UHS-3) MicroSD card. Format the card in the camera's settings. Try a different card. |
| Problemau cysylltiad Wi-Fi. | Ensure Wi-Fi is enabled on the camera. Restart both camera and smartphone. Check Wi-Fi password. |
| Ansawdd fideo/lluniau gwael. | Clean the lens. Ensure sufficient lighting. Adjust exposure settings. Update firmware. |
| Mae'r batri yn draenio'n gyflym. | Reduce screen brightness. Turn off Wi-Fi/Bluetooth when not in use. Limit continuous recording time. |
8. manylebau
Key technical specifications for the YI 4K Action Camera:
| Nodwedd | Manylyn |
|---|---|
| Dimensiynau Cynnyrch | 2.6 x 1.7 x 1.2 modfedd |
| Pwysau Eitem | 3.36 owns |
| Rhif Model | 90003 |
| Batris | Angen 1 batris lithiwm polymer (wedi'u cynnwys) |
| Technoleg Synhwyrydd Ffotograffau | CMOS |
| Datrysiad Dal Fideo | 4K |
| Hyd Ffocal Uchaf | 10 Milimetrau |
| Agorfa Uchaf | 2.8 Milimetrau |
| Math Cof Fflach | Micro SD |
| Fformat Dal Fideo | AVI |
| Fformat Sain â Chymorth | AAC |
| Maint Sgrin | 2.2 modfedd |
| Technoleg Cysylltedd | Bluetooth, Wi-Fi 4 (802.11n) |

Figure 8.1: Camera Dimensions
9. Gwarant a Chefnogaeth
The YI 4K Action Camera comes with a standard manufacturer's warranty. For detailed warranty terms and conditions, please refer to the warranty card included in your package or visit the official YI Technology websafle.
For further assistance, technical support, or to download the full user guide in PDF format, please visit the YI Technology support page or refer to the official user manual: