1. Introduction
The KHQ Mini Projector VF260 Pro is a portable, full HD video projector designed for home theater use, outdoor movies, and various entertainment applications. It supports 1080P resolution and offers wide compatibility with multiple devices. Its compact size and enhanced brightness make it an ideal choice for a versatile viewing experience.
Key features include:
- 1080P Full HD enhancement technology for a superior viewing experience.
- Compact and lightweight design (5.6 x 3.8 x 2.3 inches, 0.75 pounds) for easy portability.
- Built-in stereo speakers and adjustable focus.
- Projection size from 21 inches to 170 inches, with an optimal distance of 6.5 ft to 9.8 ft.
- Wide compatibility with HDMI, USB, and AV inputs for connecting TV sticks, PS4/5, Chromecast, PCs, laptops, and more.
- Long LED bulb life of 30,000 hours.
2. What's in the Box
Upon opening the package, ensure all the following items are present:
- KHQ Mini Projector VF260 Pro
- Power Cord
- User Manual (this document)
- HDMI Cable
- Carrying Bag
Figure 2.1: KHQ Mini Projector VF260 Pro and its accessories.
3. Product Overview
3.1. Ports and Connections
The projector features a variety of ports for connecting different devices:
- DC IN: Power input port.
- HDMI: Connects to devices like TV sticks, PS4/5, PCs, and laptops for high-definition video and audio.
- USB Input: For connecting USB drives or other USB-compatible devices.
- AV Input Slot: For connecting older devices using the included AV cable.
- Earphone Slot: 3.5mm audio output for headphones or external speakers.
Figure 3.1: Rear panel ports of the projector.
3.2. Top Panel Controls
The top panel provides direct control buttons for basic functions:
- Power Button
- Navigation Buttons (Up, Down, Left, Right)
- OK Button (Confirm selection)
- Back Button
- Source Button (Select input source)
Figure 3.2: Top panel controls.
4. Setup
4.1. Power Connection
Connect the provided power cord to the DC IN port on the projector and then plug it into a power outlet.
4.2. Connecting Devices
Use the appropriate cable (HDMI, AV) to connect your desired device to the projector. For smartphones, an additional adapter (Lightning/Micro USB/Type C to HDMI) is required and not included.
Figure 4.1: Smartphone connection diagram (adapter not included).
4.3. Focus Adjustment and Projection Size
Adjust the focus ring near the lens until the image is clear. The optimal projection distance is 6.5 ft to 9.8 ft, allowing for a screen size between 21 inches and 170 inches.
Figure 4.2: Projection distance and screen size guide.
Video 4.1: Overview of the projector's features and basic setup, including port identification and size comparison.
5. Operating Instructions
5.1. Power On/Off
Press the power button on the top panel or the remote control to turn the projector on or off.
5.2. Source Selection
Use the "Source" button on the projector or remote to cycle through input options (HDMI, USB, AV) until your connected device's display appears.
5.3. Adjusting Settings
Use the navigation buttons and OK button on the projector or remote to access and adjust settings such as picture mode, sound mode, aspect ratio, and more.
Figure 5.1: Projector in use for gaming.
Figure 5.2: Projector used for outdoor cinema.
Video 5.1: Demonstration of the projector's image quality and sound in a dark room.
Video 5.2: Showcase of the projector's features and ease of use, highlighting its portability and various input options.
6. Maintenance
6.1. Cleaning the Lens
Use a soft, lint-free cloth specifically designed for optical lenses to gently wipe the projector lens. Avoid using abrasive cleaners or cloths that could scratch the lens.
6.2. Ventilation
Ensure the projector's ventilation openings are not blocked during operation to prevent overheating. Allow adequate space around the projector for proper airflow.
6.3. Storage
When not in use, store the projector in a cool, dry place, away from direct sunlight and excessive dust. Use the provided carrying bag for protection during storage and transport.
6.4. Lamp Life
The projector features an LED bulb with an estimated life of 30,000 hours, providing long-lasting performance without frequent bulb replacement.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image displayed. | Incorrect input source selected; loose cable connection; device not powered on. | Select the correct input source. Check all cable connections. Ensure the connected device is powered on. |
| Image is blurry. | Focus not adjusted; projector too close/far from screen. | Adjust the focus ring. Position the projector within the optimal projection distance (6.5 ft - 9.8 ft). |
| No sound. | Volume too low; audio cable not connected; device audio output settings. | Increase projector volume. Ensure audio cables are correctly connected. Check audio settings on the connected device. |
| Cannot connect smartphone. | Missing required adapter. | An additional Lightning/Micro USB/Type C to HDMI adapter is required (not included). |
| Projector overheats. | Blocked ventilation. | Ensure ventilation openings are clear and allow sufficient space around the projector. |
8. Specifications
- Brand: KHQ
- Model: VF260
- Display Resolution: 1920 x 1080 (1080P Full HD Supported)
- Connectivity Technology: HDMI, USB, AV
- Item Weight: 0.75 pounds (approx. 1.58 pounds packaged)
- Product Dimensions: 5.63 x 3.78 x 2.28 inches
- Lamp Life: 30,000 hours
- Recommended Uses: Indoor/Outdoor
- Special Feature: Lightweight
- Visible Screen Diagonal: 100" / 254 cm (as per important information)
9. Warranty and Support
KHQ offers 7x24h after-sales service for this product. If you encounter any problems during the use of the LED projector, please contact the seller or manufacturer for assistance. This projector is primarily designed as a mini home theater projector and is not recommended for PPT or business presentations.