Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Elikliv EM4K-AF Flex 10.1'' Autofocus Digital Microscope. Please read this manual thoroughly before using the device to ensure proper functionality and longevity. This microscope is designed for precision tasks such as PCB work, electronic repairs, cable testing, and general electronic assembly, offering high-definition viewing and recording capabilities.
What's in the Box
- 1x EM4K-AF Flex 4K Digital Microscope
- 1x Flex Arm Stand with 4" Stand
- 1x Ring Light
- 1x HDMI Cable
- 1x Soldering Mat
- 2x USB Cable
- 1x User Manual
Setup
- Assemble the Flex Arm Stand:
Attach the clamp to a stable desktop surface. Ensure the desktop thickness does not exceed 3.8 inches for secure mounting. Insert the vertical pole into the clamp. Attach the flex arm to the vertical pole, then mount the microscope onto the flex arm. The flex arm allows for vertical, horizontal, and 360° rotation for optimal positioning.

Image: Flex Arm Stand assembly showing clamp and dimensions.

Image: Comparison illustrating the stability of the flexible arm stand.
- Connect the Microscope:
Connect the power adapter to the microscope and a power outlet. Insert the included 64G memory card into the designated slot for image and video storage. If using an external display, connect the HDMI cable to the microscope's HDMI output and your monitor, or use a USB cable for PC connection.
- Power On:
Locate the power button on the microscope unit and press it to turn on the device. The 10.1-inch IPS screen will illuminate.
Operating Instructions
- Autofocus Functionality:
The EM4K-AF Flex features a rapid 2-second autofocus system powered by a TOF (Time-of-Flight) sensor and AI algorithms. This system provides ±0.01mm pinpoint precision and rapid response, continuously assessing image clarity. If the object moves, the system will automatically refocus. Use the P1/P2 buttons for preset focus points if available.

Image: Demonstration of the 2-second sleek autofocus feature.

Image: Diagram illustrating the TOF Distance Sensing AI Autofocus technology.
- Magnification:
The microscope offers a magnification ratio ranging from 1500X to 3000X, with a maximum magnification of 2000X. Adjust the magnification using the controls on the microscope body to achieve the desired level of detail.
- Display Features:
View your subjects on the stunning 10.1-inch IPS screen, which provides 1280x800P HD resolution, a wide color gamut (30% sRGB, 72% NTSC), and a 178-degree viewing angle. The display supports 4K (3840x2160P 30fps) video and ultra-clear 52MP (9600x5400P) still images.

Image: Visual representation of the 4K, 10.1-inch display clarity.
- Tri-Screen Simultaneous Display:
The microscope supports simultaneous output to external displays via HDMI and USB. Connect to a laptop or television to view the microscope's feed on up to three screens at once. HDMI output is 1080P 60fps, and USB output supports 3840*2160P30 (H264), 1080P30, and 720P60.

Image: Setup showing the microscope display mirrored on a PC and TV.
- Image and Video Capture:
Use the dedicated buttons on the microscope to capture still images or record video footage. The captured media will be saved to the installed 64G memory card.
- Ring Light:
The included ring light provides adjustable illumination for your subjects. Ensure it is properly positioned and powered to achieve optimal lighting conditions for clear viewing.
- Thumbnail Feature:
The microscope includes a thumbnail feature to quickly review and navigate through captured images and videos, helping you efficiently locate specific details.
Video: Demonstration of the Elikliv EM4K-AF Flex's 2-second autofocus feature.
Maintenance
- Cleaning: Gently wipe the screen and lens with a soft, lint-free cloth. For stubborn smudges, use a specialized lens cleaning solution. Do not use abrasive cleaners or harsh chemicals, as these can damage the optical components or display.
- Storage: Store the microscope in a clean, dry environment away from direct sunlight and extreme temperatures. When not in use, cover the lens to protect it from dust.
- Battery Care: The built-in 2500mAh battery should be charged regularly. Avoid fully discharging the battery for extended periods to prolong its lifespan.
Troubleshooting
- No image on screen: Ensure all cables (power, HDMI/USB) are securely connected. Check the power supply and verify that the microscope is powered on.
- Autofocus not working: Ensure the autofocus feature is enabled. Check for any physical obstructions between the lens and the object. If using manual focus, adjust the focus knob.
- Image unclear/blurry: Clean the lens with a soft cloth. Adjust the magnification level. Ensure proper lighting is provided by the ring light. Allow the autofocus system to complete its cycle.
Specifications
| Feature | Specification |
|---|---|
| Brand Name | Elikliv |
| Model Number | EM4K-AF Flex |
| Theory | Video Microscope |
| Drawtube | Monocular |
| Certification | CE |
| Material | Metal |
| Origin | Mainland China |
| Magnification Ratio | 1500X - 3000X (Max 2000X) |
| Features | High Definition, Digital |
| ELIKLIV Model | EM4K-AF Flex |
| Advantage | Autofocus, 4K, 2000X |
| Item Dimensions LxWxH | 10 x 4 x 11 inches |
| Real Angle of View | 178 Degrees |
| Magnification Maximum | 2000 x |
| Voltage | 5 Volts DC |
| Compatible Devices | Laptop, Television |
| Bracket size | 10inch Stand |
| Memory card | Include a 64G Memory card |
| Item Weight | 3 Pounds |
| Battery Included | Yes |
| Hign-concerned Chemical | None |
| Recommended Use | Cable testing, electronic repairs, PCB work, computer component repair, electronic assembling |
User Tips
- For PCB work and electronic repairs: The microscope's high magnification and clear 4K display are ideal for detailed soldering and inspection tasks, making intricate work easier to perform and verify.
- Recording and Documentation: Utilize the 4K video and 52MP image capture features to document your work, create instructional content, or share observations with colleagues. The included 64G memory card provides ample storage.
- Flexible Positioning: Take advantage of the upgraded flex arm stand for optimal viewing angles and ergonomic working posture, especially during long sessions. The front-back movable arm and 360° rotation enhance comfort and precision.
- External Display Benefits: Connecting to an external monitor or TV via HDMI/USB can significantly enhance the viewing experience, providing a larger, more comfortable workspace for collaborative or extended viewing.
Warranty & Support
For technical support, warranty claims, or further assistance with your Elikliv EM4K-AF Flex Digital Microscope, please contact Elikliv customer service through the official channels provided at the point of purchase. Retain your proof of purchase for warranty validation.





