1. Introduction
Welcome to the Salange P40 Smart Projector user manual. This guide provides essential information for setting up, operating, and maintaining your projector. Please read these instructions carefully before use to ensure optimal performance and safety.
1.1 Safety Instructions
- Do not switch on or operate the unit before you have read the instruction manual.
- Do not look into the lens directly - this can cause eye damage.
- Do not let children get close to the projector as they may look into the lens directly.
- Do not turn on the projector before connecting with other components.
- Do not attempt to disassemble the machine; disassembly of the machine may pose safety risks for which the manufacturer will not be responsible.
- Do not cover the bottom and surrounding of the projector with soft materials such as blankets. It is recommended to place the device on a table or mount it on a stand for use.
- Do not use the projector in a wet environment, and do not place liquids on or close to the projector. Please pull out the power plug from the wall socket if the projector overheats or smoke appears.
- Do not block the air inlet and ensure the projector is placed in a well-ventilated location.
2. Package Contents
Please check the box for the following items:
- Salange P40 Smart Projector
- Power Adapter (Inbox adaptor included)
- Remote Controller
- User Manual (this document)
3. Setup Guide
3.1 Power Connection
Connect the power adapter to the projector's power input port and then plug it into a standard AC outlet (AC100-240V 50/60Hz).
3.2 Initial Placement
The Salange P40 features a 360° freely rotating stand, allowing flexible placement. Position the projector on a stable surface such as a table or stand. You can adjust its angle to project onto a wall or ceiling.

3.3 Network Setting
To access online content and smart features, connect your projector to a Wi-Fi network:
- Navigate to the 'Settings' menu on the projector.
- Select 'Network' or 'Wi-Fi'.
- Choose your desired Wi-Fi network from the available list.
- Enter the correct password for the network.
- Confirm to connect.
4. Operating Instructions
4.1 Power On/Off
Press the power button on the projector or the remote control to turn the device on or off.
4.2 Image Self-Adaptation (Auto-Focus & Keystone Correction)
The P40 projector is equipped with advanced visual technologies for effortless image setup:
- Automatic Focusing: The projector will automatically adjust the image clarity.
- Automatic Keystone Correction: The projector will automatically correct distorted images to ensure a perfectly rectangular display.
- Auto Screen-Fit: The image will automatically adjust to fit the screen or wall.
- Obstacle Avoidance: The projector can detect and adjust the image to avoid obstacles on the projection surface.
These features are designed to work automatically upon startup. You can typically find settings to enable/disable or manually adjust these in the 'Keystone Correction' menu within the projector's settings.

4.3 Connectivity and Media Playback
The P40 offers various connectivity options:
- Wi-Fi 6: For high-speed network connection and smooth streaming.
- Bluetooth 5.4: Connect to external audio devices or use the projector as a Bluetooth speaker.
- HDMI: Connect external devices like laptops, gaming consoles, or Blu-ray players.
- USB: Play media directly from USB storage devices.
- Multi-screen Interaction: Supports protocols like Miracast and AirPlay for screen mirroring from compatible devices.

4.4 Android Interface and Apps
The projector runs on an Android system, providing a custom desktop and efficient interaction method. You can access various pre-installed apps like Netflix, YouTube, Prime Video, Disney+, Google TV, and Apple TV+.

4.5 Music Mode and Ambient Light
The P40 can function as a high-quality Bluetooth speaker. In Music Mode, the ambient lights activate with dynamic RGB lighting effects, synchronized with the audio from its dual 5W high-fidelity speakers. This creates an immersive atmosphere for music listening.


4.6 Projection Modes
The projector supports various projective modes:
- Throwing: Standard front projection.
- Ceiling: For inverted projection when mounted on a ceiling.
- Back Projection: For projecting from behind a translucent screen.
- Mirror Image: For specific setup requirements.
These modes can typically be selected in the projector's display or projection settings.
5. Specifications
| Feature | Specification |
|---|---|
| Brand Name | salange |
| Model | P40 |
| Type | Digital Projector, Entertainment Projector, Home Theater Projector |
| Optical Resolution | 1920x1080dpi (Native 1080P) |
| Brightness | 10000 Lumens (375 ANSI Lumens) |
| Contrast Ratio | 3001:1-4000:1 |
| Projected Dimension | 50-130 inches |
| Projection Distance | 0.8-4m |
| Projection Technology | LCD |
| Light Source | LED Light |
| System | Android |
| Keystone Correction | Auto Correction |
| Zoom | Focus |
| Screen Scale | 4:3/16:9 |
| Built-in Speaker | Yes (Dual 5W HiFi speakers) |
| Bluetooth-compatible | Yes (BT5.4) |
| Wi-Fi | Wi-Fi 6 |
| Portable | Yes |
| Weight | 1.3kg |
| Dimensions (approx.) | 70mm (Ultra-thin profile) |
| Power (W) | 60W |
| Power Source | AC |
| Voltage Range | High voltage (50-1000V DC, 75-1000V AC) |
| Remote controller included | Yes |
| Certification | CE, FCC, RoHS |
6. Troubleshooting
If you encounter issues with your Salange P40 projector, please refer to the following common problems and solutions:
- No Power: Ensure the power cable is securely connected to both the projector and a working power outlet. Check if the power adapter is functioning correctly.
- No Image/Blurry Image:
- Check if the lens cap is removed.
- Ensure the projector is powered on and the input source is correctly selected.
- Allow the automatic focus and keystone correction to complete. If the image remains blurry, try adjusting the focus manually in the settings.
- Ensure the projection surface is flat and free of obstacles.
- No Sound:
- Check the volume level on both the projector and the connected source device.
- If using external speakers, ensure they are properly connected via Bluetooth or audio cable.
- Verify that the audio output settings on the projector are configured correctly.
- Wi-Fi Connection Issues:
- Ensure your Wi-Fi network is active and within range.
- Double-check the Wi-Fi password.
- Restart the projector and your Wi-Fi router.
- Overheating/Smoke: Immediately unplug the projector from the power outlet. Ensure the air vents are not blocked and the projector is in a well-ventilated area. Do not use the projector again until the issue is resolved by a qualified technician.
7. User Tips
- 4K Input Support: While the projector's native resolution is 1080P, it supports 4K input signals, which will be downscaled to 1080P for projection. This allows you to enjoy high-resolution content from 4K sources.
- Optimal Viewing: For the best experience, use the projector in a dimly lit or dark room. The 375 ANSI lumens brightness provides clear images, but darker environments enhance contrast and color vibrancy.
- Maximize Portability: Take advantage of the projector's lightweight (1.3kg) and ultra-thin (70mm) design. Its hidden power cord makes it easy to move between rooms or even take it on the go for presentations or entertainment.
- Explore Music Mode: Don't forget to try the Music Mode with its dynamic RGB ambient lighting. It transforms the projector into a stylish and powerful Bluetooth speaker, perfect for setting the mood.
8. Warranty and Support
For detailed warranty information and customer support, please refer to the official Salange website or contact your retailer. Keep your purchase receipt as proof of purchase for any warranty claims.
For more detailed product specifications and system settings, please refer to the electronic manual available from the manufacturer.
PDF User Manual Reference: Salange P40 Projector User Manual (PDF)
