Introduction
This user manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your Hisense 40-Inch Class A4 Series FHD 1080p Smart Fire TV. Please read this manual thoroughly before using your television to ensure proper operation and to maximize your viewing experience.

Front view of the Hisense 40-Inch Class A4 Series FHD 1080p Smart Fire TV.
Setup
1. Unboxing and Package Contents
Carefully remove all items from the packaging. Ensure all components are present:
- Hisense 40-Inch Smart Fire TV
- Power Cable
- Remote Control (2 AAA batteries included)
- TV Stand (2 pieces)
- Quick Setup Guide
2. Stand Installation (Optional)
If you are not wall-mounting your TV, attach the included stands:
- Place the TV face down on a soft, clean surface to prevent scratches.
- Align each stand with the corresponding screw holes on the bottom of the TV.
- Secure each stand with the provided screws.

Diagram showing TV dimensions and stand attachment points.
3. Connecting Power and Inputs
Connect the power cable to the TV and a wall outlet. Connect your external devices (cable box, gaming console, Blu-ray player) to the appropriate input ports (HDMI, USB, Antenna) on the back of the TV.

Close-up view of the Hisense TV's input ports, including HDMI, USB, and antenna connections.
4. Initial Setup and Network Connection
Upon first power-on, the TV will guide you through the initial setup process, including language selection, network connection (Wi-Fi), and Fire TV account login. A stable internet connection is required for smart features.
Operating Instructions
1. Remote Control Functions
The included remote control allows full navigation and control of your Fire TV. Insert the two AAA batteries as indicated in the battery compartment.

The Hisense Fire TV remote control with dedicated buttons for streaming services and Alexa voice control.
2. Fire TV Interface Navigation
The Fire TV interface provides easy access to streaming apps, live TV, and settings. Use the directional pad and select button on your remote to navigate. The home screen displays recommended content and your installed applications.

The Fire TV home screen displaying various streaming applications and content recommendations.
3. Alexa Voice Control
Press and hold the Alexa button on your remote to activate voice commands. You can ask Alexa to find content, launch apps, control volume, check the weather, and more.
4. Picture and Sound Settings
Access the settings menu to customize your viewing and listening experience:
- Full HD Resolution: Enjoy crisp, clear content with the 1080p High-Definition LCD screen and Full Array LED backlight.
- DTS Virtual:X: Enhance your audio with crystal clarity, easy-to-hear dialogue, and realistic surround sound without additional speakers.
- Natural Color Enhancer: Experience vibrant and true-to-life colors, making nature scenes appear as in real life.
- Game Mode: Reduce input lag to 16ms for a smoother gaming experience.
- AI Sports Mode: Optimizes picture and sound for sports content, reducing blur and enhancing crowd and commentator voices.

Explanation of Full HD Resolution, highlighting crisp and clear details.

Visual representation of DTS Virtual:X, emphasizing immersive TV audio.

Image demonstrating the effect of Natural Color Enhancer on screen colors.

Graphic illustrating Game Mode, designed to reduce input lag for competitive gaming.

Image depicting AI Sports Mode, which enhances visuals and audio for sports broadcasts.
Maintenance
1. Cleaning Your TV
To clean the screen, gently wipe with a soft, lint-free cloth. For stubborn marks, dampen the cloth with a small amount of water or a screen cleaner specifically designed for electronics. Do not spray liquid directly onto the screen. For the TV casing, use a soft, dry cloth.
2. Software Updates
Your Fire TV will automatically check for and install software updates when connected to the internet. Ensure your TV remains connected to Wi-Fi for optimal performance and access to the latest features and security enhancements.
Troubleshooting
If you encounter issues with your Hisense Fire TV, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| No Power | Check if the power cable is securely connected to both the TV and the wall outlet. Try a different outlet. Ensure the power indicator light is on. |
| No Picture / Distorted Picture | Verify the correct input source is selected. Check all cable connections (HDMI, antenna). Try restarting the TV by unplugging it for 30 seconds and plugging it back in. |
| No Sound / Low Sound | Increase the volume. Check if Mute is active. Ensure external audio devices (soundbars, receivers) are properly connected and powered on. Check audio settings in the TV menu. |
| Remote Control Not Responding | Replace the batteries in the remote. Ensure there are no obstructions between the remote and the TV. Try re-pairing the remote if it's a Bluetooth remote (refer to Quick Setup Guide). |
| Cannot Connect to Wi-Fi | Ensure your Wi-Fi router is on and working. Re-enter the Wi-Fi password carefully. Try restarting your router and the TV. Move the TV closer to the router if possible. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Hisense |
| Model Number | 40A4NF |
| Screen Size | 40 Inches |
| Display Technology | FHD 1080p, LCD, LED |
| Resolution | 1080p |
| Refresh Rate | 60 Hz |
| Operating System | Fire TV |
| Special Features | Alexa Built In, Bluetooth 5.0, DTS Virtual: X, Slim Bezel Design, Works with Apple HomeKit / Airplay |
| Connectivity Technology | Bluetooth, HDMI, USB, Wi-Fi |
| Product Dimensions (DxWxH) | 3.1"D x 35.4"W x 20.1"H |
| Item Weight | 10.4 Pounds |
| On-mode power consumption | 70 watts |
| Visible screen diagonal | 40" / 102 cm |
Warranty and Support
Hisense products are manufactured to the highest quality standards. For warranty information and customer support, please refer to the warranty card included with your product or visit the official Hisense support website. You can also find additional support and FAQs on the Hisense Brand Store on Amazon.
For technical assistance or service inquiries, please contact Hisense Customer Service.





