1. Introduction
The Alcad AI-400 is an apartment pre-amplifier designed to boost and distribute television signals within a residential unit. It features one input and four amplified outputs, making it suitable for connecting multiple televisions or receivers from a single antenna source. This manual provides essential information for safe installation, optimal operation, and basic maintenance of your device.
2. Safety Information
- Read all instructions before operating the device.
- This device is intended for indoor use only. Do not expose it to rain or moisture.
- Ensure proper ventilation around the unit to prevent overheating. Do not cover the amplifier.
- Do not open the casing of the amplifier. There are no user-serviceable parts inside. Refer all servicing to qualified personnel.
- Disconnect the power adapter from the electrical outlet before cleaning or if the unit will be unused for an extended period.
- Use only the power adapter supplied with the unit.
3. Package Contents
Please check the package for the following items:
- 1 x Alcad AI-400 Apartment Pre-amplifier
- 1 x Power Adapter
- 1 x User Manual (this document)
4. Product Overview
The Alcad AI-400 features a compact design with clearly labeled input and output ports for easy connection.
Image showing the compact design of the Alcad AI-400 pre-amplifier, highlighting its input and four output ports.
Component Identification:
- IN Port: Connects to your television antenna or main signal source.
- OUT 1-4 Ports: Connects to individual televisions or receivers.
- DC IN: Power input for the supplied power adapter.
- Power Indicator: LED light that illuminates when the unit is powered on.
5. Setup
Follow these steps to install your Alcad AI-400 pre-amplifier:
- Unpack the Device: Carefully remove the Alcad AI-400 and its accessories from the packaging.
- Mounting (Optional): The unit can be placed on a flat, stable surface or mounted to a wall using appropriate fasteners (not included). Ensure the location allows for good ventilation and easy access to connections.
- Connect the Antenna: Connect your television antenna coaxial cable to the 'IN' port on the Alcad AI-400. Ensure the connection is secure.
- Connect Televisions/Receivers: Connect coaxial cables from the 'OUT 1', 'OUT 2', 'OUT 3', and 'OUT 4' ports on the Alcad AI-400 to the antenna input of your televisions or receivers. Ensure all connections are tight.
- Connect Power: Plug the power adapter into the 'DC IN' port on the Alcad AI-400, then plug the adapter into a standard electrical outlet. The power indicator light on the unit should illuminate, confirming the unit is powered on.
- Scan for Channels: Perform a channel scan on each connected television or receiver to detect available channels. Refer to your television's instruction manual for details on how to perform a channel scan.
6. Operating Instructions
Once properly installed and powered on, the Alcad AI-400 operates automatically to amplify and distribute the television signal. No further user interaction is typically required for its basic function. The amplifier continuously boosts the signal to compensate for signal loss over cables and splitters, ensuring a strong signal to all connected devices.
7. Maintenance
To ensure the longevity and optimal performance of your Alcad AI-400, follow these simple maintenance guidelines:
- Cleaning: Disconnect the power adapter from the electrical outlet before cleaning. Use a soft, dry cloth to gently wipe the exterior of the unit. Do not use liquid cleaners, aerosols, or abrasive materials, as these can damage the casing or internal components.
- Connection Check: Periodically inspect all coaxial cable connections to ensure they remain secure and free from corrosion or damage. Loose connections can lead to signal degradation.
- Ventilation: Ensure that the amplifier's ventilation openings are not blocked by dust or other objects. Proper airflow is crucial to prevent overheating.
8. Troubleshooting
If you experience issues with your Alcad AI-400, refer to the following troubleshooting tips:
No Signal / Poor Picture Quality:
- Check Power: Ensure the power adapter is securely connected to both the amplifier and the electrical outlet. Verify that the power indicator light on the unit is illuminated.
- Verify Connections: Confirm that all coaxial cable connections (IN and OUT ports) are tight and correctly seated. Loose connections are a common cause of signal issues.
- Antenna Check: Ensure your television antenna is properly connected, positioned, and functioning correctly. Test the antenna directly with a single TV if possible to rule out antenna issues.
- Perform Channel Scan: After making any connection changes, perform a new channel scan on all connected televisions or receivers.
- Signal Strength: If the incoming signal from your antenna is extremely weak, even an amplifier may not be able to produce a clear picture. Consider upgrading your antenna or repositioning it for better reception.
Interference:
- Cable Quality: Ensure all coaxial cables used are of good quality and properly shielded to prevent external interference.
- Proximity to Other Devices: Keep the amplifier away from other electronic devices that may emit electromagnetic interference, such as Wi-Fi routers, cordless phones, or microwave ovens.
9. Specifications
Technical specifications for the Alcad AI-400 Apartment Pre-amplifier:
| Feature | Specification |
|---|---|
| Model Number | AI-400 |
| Brand | Alcad |
| Number of Inputs | 1 |
| Number of Outputs | 4 |
| Gain (VHF) | 20 dB |
| Gain (UHF) | 28 dB |
| Frequency Range (VHF) | 40-318 MHz |
| Frequency Range (UHF) | 470-862 MHz |
| Manufacturer | ALCAD |
| ASIN | B007CVH6VQ |
10. Warranty and Support
Warranty information for the Alcad AI-400 is typically provided with the product packaging or can be found on the official Alcad website. For technical support, service inquiries, or to report any issues, please refer to the contact information provided by your retailer or the manufacturer. Keep your purchase receipt as proof of purchase for warranty claims.
