1. Introduzione
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. Informazioni sulla sicurezza
- Leggere tutte le istruzioni prima di utilizzare il dispositivo.
- Questo dispositivo è destinato esclusivamente all'uso in ambienti interni. Non esporlo a pioggia o umidità.
- Ensure proper ventilation around the unit to prevent overheating. Do not cover the amppiù vivace.
- Non aprire il casing del amplificatore. Non ci sono parti riparabili dall'utente all'interno. Affidare qualsiasi intervento di manutenzione a personale qualificato.
- Disconnect the power adapter from the electrical outlet before cleaning or if the unit will be unused for an extended period.
- Utilizzare solo l'alimentatore fornito con l'unità.
3. Contenuto della confezione
Si prega di controllare la confezione per verificare la presenza dei seguenti elementi:
- 1 x Alcad AI-400 Apartment Pre-amppiù vivace
- 1 x adattatore di alimentazione
- 1 x Manuale utente (questo documento)
4. Prodotto finitoview
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.
Identificazione dei componenti:
- Nel porto: 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.
- Indicatore di alimentazione: LED light that illuminates when the unit is powered on.
5. Impostazione
Follow these steps to install your Alcad AI-400 pre-amplificatore:
- Disimballare il dispositivo: Carefully remove the Alcad AI-400 and its accessories from the packaging.
- Montaggio (facoltativo): 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.
- Collegare l'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.
- Connetti alimentazione: 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.
- Cerca i canali: 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. Istruzioni per l'uso
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. Manutenzione
To ensure the longevity and optimal performance of your Alcad AI-400, follow these simple maintenance guidelines:
- Pulizia: 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 o componenti interni.
- Verifica della connessione: Periodically inspect all coaxial cable connections to ensure they remain secure and free from corrosion or damage. Loose connections can lead to signal degradation.
- Ventilazione: Assicurarsi che il amplifier's ventilation openings are not blocked by dust or other objects. Proper airflow is crucial to prevent overheating.
8. Risoluzione Dei Problemi
If you experience issues with your Alcad AI-400, refer to the following troubleshooting tips:
No Signal / Poor Picture Quality:
- Controlla la potenza: Assicurarsi che l'adattatore di alimentazione sia collegato saldamente a entrambi i amplifier and the electrical outlet. Verify that the power indicator light on the unit is illuminated.
- Verifica connessioni: Confirm that all coaxial cable connections (IN and OUT ports) are tight and correctly seated. Loose connections are a common cause of signal issues.
- Controllo dell'antenna: 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.
- Eseguire la scansione dei canali: After making any connection changes, perform a new channel scan on all connected televisions or receivers.
- Potenza del segnale: 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.
Interferenza:
- Qualità del cavo: Ensure all coaxial cables used are of good quality and properly shielded to prevent external interference.
- Proximity to Other Devices: Mantieni il amplifier away from other electronic devices that may emit electromagnetic interference, such as Wi-Fi routers, cordless phones, or microwave ovens.
9. Specifiche
Technical specifications for the Alcad AI-400 Apartment Pre-amplificatore:
| Caratteristica | Specificazione |
|---|---|
| Numero di modello | AI-400 |
| Marca | Alcad |
| Numero di input | 1 |
| Numero di uscite | 4 |
| Guadagno (VHF) | 20 dB |
| Guadagno (UHF) | 28 dB |
| Gamma di frequenza (VHF) | Frequenza 40-318 MHz |
| Gamma di frequenza (UHF) | Frequenza 470-862 MHz |
| Produttore | Alcad |
| ASIN | B007CVH6VQ |
10. Garanzia e supporto
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.





