1. Introduzione
Thank you for choosing the Retevis Ailunce HD2 Ham Radio. This manual provides essential information for the safe and efficient operation of your device. Please read this manual thoroughly before use and retain it for future reference.
The Retevis Ailunce HD2 is a dual-band DMR amateur radio featuring GPS, Wireless 5.0 connectivity, a 3200mAh battery, and IP67 waterproof rating. It supports both digital and analog modes, offering high power and long-range communication capabilities.
2. Contenuto della confezione
Prima di procedere con la configurazione, verifica che tutti gli elementi elencati di seguito siano inclusi nel pacchetto:
- HD2 Radio Body ×1
- Antenna × 1
- Type-C Charging Battery ×1
- Type-C Desktop Charger ×1
- Cavo di ricarica USB di tipo C × 1

Figure 2.1: Contents of the Retevis Ailunce HD2 package.
3. Guida all'installazione
3.1. Installazione e ricarica della batteria
- Assicurarsi che la radio sia spenta.
- Allineare la batteria agli ioni di litio da 3200 mAh con il vano batteria sul retro della radio.
- Spingere delicatamente la batteria in posizione finché non scatta in modo sicuro.
- To charge, connect the USB Type-C charging cable to the radio's Type-C port or use the desktop charger.
- Connect the other end of the cable to a compatible USB power source. The charging indicator will show the charging status.

Figure 3.1: Battery charging process and estimated times.
3.2. Attacco dell'antenna
- Avvitare l'antenna in senso orario sul connettore dell'antenna sulla parte superiore della radio fino a quando non è ben stretta a mano. Non stringere eccessivamente.

Figure 3.2: Attaching the antenna to the radio.
3.3. Wireless Headset Connection
The HD2 supports Wireless 5.0 for hands-free communication.
- Ensure your wireless headset is in pairing mode.
- Navigate to the Bluetooth settings on your HD2 radio.
- Select your headset from the list of available devices to pair.

Figure 3.3: Wireless headset connection for hands-free operation.
4. Istruzioni per l'uso
4.1. Accensione/spegnimento
Per accendere la radio, ruotare la manopola di accensione/volume in senso orario fino a sentire un clic. Per spegnerla, ruotarla in senso antiorario fino a sentire un clic.
4.2. VFO Mode Operation
The VFO (Variable Frequency Oscillator) mode allows direct frequency input and adjustment without requiring computer programming.
- Premere il tasto MENU pulsante per accedere al menu principale.
- Navigate to the VFO mode option and select it.
- Use the keypad to input your desired frequency.
- Adjust other parameters like channel, color code, or time slot as needed directly from the radio's interface.

Figure 4.1: VFO Mode interface for direct frequency and setting adjustments.
4.3. Modalità digitale e analogica
The HD2 supports both digital (DMR) and analog communication modes. You can switch between these modes based on your communication requirements and the network you are operating on.
4.4. Funzionalità GPS
The integrated GPS allows you to locate your real-time position and share it with other users, which is crucial for coordination during outdoor activities or emergencies.
- Access the GPS menu from the radio's main menu.
- View your current coordinates (N/S, E/W) and altitude.
- Use the sharing function to transmit your location data to designated partners.

Figure 4.2: GPS function displaying location data.
4.5. Livelli di potenza
The radio offers 4 selectable power levels to optimize battery life and transmission range for different scenarios. Adjust the power level through the radio's menu settings.
4.6. Community Features
The HD2 supports up to 3000 channels and 500,000 contacts, facilitating extensive communication within amateur radio communities. Features include ID modification, call logs, and text messaging.

Figura 4.3: Oltreview of community features, including channels and contacts.
5. Manutenzione
5.1. Cura generale e pulizia
Pulire regolarmente l'esterno della radio con un panno morbido eamp cloth. Avoid using harsh chemicals or abrasive cleaners. Ensure all ports are dry before charging or connecting accessories.
5.2. Cura della batteria
To maximize battery life, fully charge the 3200mAh battery before initial use. Avoid overcharging or completely draining the battery. Store the radio and battery in a cool, dry place when not in use for extended periods.
5.3. Impermeabilità (IP67)
The HD2 is IP67 rated, meaning it is protected against dust ingress and can withstand immersion in 1 meter of water for up to 30 minutes. Ensure all port covers are securely closed before exposing the radio to water or dusty environments.

Figure 5.1: The HD2's IP67 waterproof and dustproof design.
6. Risoluzione Dei Problemi
If you encounter issues with your Retevis Ailunce HD2, please refer to the following common problems and solutions:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| La radio non si accende | Batteria scarica o scarica; batteria installata in modo non corretto | Caricare la batteria; assicurarsi che sia installata correttamente. |
| Impossibile trasmettere o ricevere | Incorrect frequency/channel settings; antenna not connected; out of range | Verify frequency/channel; check antenna connection; move closer to other radios or repeater. |
| Scarsa qualità audio | Low signal strength; incorrect squelch level; damaged speaker/microphone | Check signal strength; adjust squelch level; contact support if hardware is damaged. |
| Difficulty with CPS programming | Driver issues; cable connection problems; software compatibility | Ensure correct drivers are installed; check USB cable connection; use the latest CPS software version. |
| Il GPS non acquisisce il segnale | Operating indoors; obstructed view di cielo | Spostarsi in un'area esterna aperta con una chiara view del cielo. |
7. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Marca | Retevis |
| Numero di modello | HD2 |
| Colore | Nero |
| Numero di canali | 3000 |
| Caratteristiche speciali | GPS, Dual Band |
| Spettro di frequenza | 144-146 MHz / 430-440 MHz |
| Portata massima di conversazione | 5 chilometri |
| Voltage | 7.4 Volt |
| Livello di resistenza all'acqua | IP67 impermeabile |
| Dimensioni del prodotto (PxLxA) | 3.5P x 6.5l x 15H cm |
| Numero di batterie | È necessaria 1 batteria agli ioni di litio (inclusa) |
| Livello di rumore | 60 decibel |
| Dispositivi compatibili | Wireless headphones, USB-C devices, other DMR radios |
| Intervallo di temperatura | -10~+40 Degrees Celsius |
| Durata media della batteria | 19.5 ore |
| Impedenza | 50 Ohm |
| Protocollo di connettività | Wi-Fi (likely refers to programming/data transfer, not voice) |
| Valutazione internazionale di protezione | Grado di protezione IP67 |
| Peso dell'articolo | 620 grammi |
8. Garanzia e supporto
8.1. Garanzia del prodotto
Retevis provides a 2-year warranty for the radio body and a 1-year warranty for accessories. We offer a 30-day no-reason return policy. For issues beyond the warranty period, maintenance services are still available, with buyers responsible for corresponding costs. We aim to process requests as simply as possible.
8.2. Assistenza clienti
Should you require assistance or have any questions, please contact us through Amazon. We commit to responding within 12 hours.