1. Introducción
This manual provides detailed instructions for the setup, operation, and maintenance of your NEC DTL-12D-1 DT330 12-Button Digital Phone. Please read this guide thoroughly to ensure proper use and to maximize the functionality of your device. This phone is designed for business environments and offers a range of features to enhance communication.
2. Producto terminadoview
2.1 Características principales
- 168 x 58 dot matrix backlit LCD with cursor keys for clear information display.
- Menu/SoftKey operation provided on the LCD for intuitive navigation.
- Backlit 10-key dialpad for easy viewfuncionando en diversas condiciones de iluminación.
- Full-duplex handsfree operation for clear speakerphone conversations.
- Four-step adjustable base for ergonomic positioning.
- 8 line keys (Red, Green) for line access and status indication.
- 4 soft keys (Help, Exit) for context-sensitive functions.
- 3-color LED indicators for various status alerts.
2.2 Componentes del teléfono
Familiarize yourself with the main components of your NEC DTL-12D-1 phone:

Imagen 2.2.1: Frente view of the NEC DTL-12D-1 DT330 phone, showing the handset, display, line keys, soft keys, dialpad, and navigation controls.
- Auricular: Para conversaciones privadas.
- Pantalla LCD: Muestra información de llamadas, opciones de menú y estado.
- Teclas de línea: Programmable buttons for lines, features, or speed dials.
- Claves suaves: Context-sensitive buttons located directly below the LCD.
- Teclado Standard 10-key pad for dialing numbers.
- Teclas de navegación: Se utiliza para desplazarse por los menús y ajustar la configuración.
- Botón del altavoz: Activates/deactivates the speakerphone.
- Botón de retención: Pone una llamada activa en espera.
- Botón de transferencia: Transfers an active call to another extension or number.
- Recall/Feature Button: Accesses system features.
- Answer/Mic Button: Answers calls or mutes the microphone.
3. Configuración
Follow these steps to set up your NEC DTL-12D-1 DT330 digital phone. Ensure you have all necessary cables (handset cord, line cord, power adapter if applicable) before proceeding.
3.1 Fijación del soporte base
The phone comes with an adjustable base stand. You can set it to one of four positions for optimal viewángulo de ing.

Imagen 3.1.1: Underside of the phone, illustrating the slots for attaching the adjustable base stand.
- Place the phone face down on a soft, clean surface to prevent scratches.
- Align the tabs on the base stand with the corresponding slots on the bottom of the phone.
- Slide the stand into place until it clicks securely. Adjust the angle by selecting one of the four available positions.

Imagen 3.1.2: Lado view of the phone with the base stand attached, showing an angled position.
3.2 Cables de conexión
Connect the handset and line cords to the appropriate ports on the phone.

Imagen 3.2.1: Close-up of the phone's back label, indicating model number and power specifications. Note: This image does not show cable ports directly, but confirms model details.
- Cable del auricular: Plug one end of the coiled handset cord into the handset port on the side of the phone and the other end into the handset itself.
- Cable de línea: Connect one end of the telephone line cord to the LINE port on the back of the phone and the other end to your wall jack or network connection.
- Adaptador de corriente (si corresponde): If your phone requires external power (check your system requirements), connect the power adapter to the DC IN port and then to a power outlet. This model typically receives power over Ethernet (PoE) or from a system, but some setups may require a separate power supply.
Once connected, the phone should power on and display system information. If it does not, refer to the Troubleshooting section.
4. Instrucciones de funcionamiento
This section covers the basic functions and common operations of your NEC DTL-12D-1 DT330 digital phone.
4.1 Realizar una llamada
- Levante el auricular o presione el Vocero botón.
- Dial the desired number using the dialpad.
- Espere a que la llamada se conecte.
- Para finalizar la llamada, cuelgue el auricular o presione la tecla Vocero botón de nuevo.
4.2 Responder una llamada
- When the phone rings, lift the handset or press the flashing line key.
- Alternativamente, presione el Vocero button for handsfree operation.
4.3 Using Line Keys
The 8 line keys (often labeled CAP 1, CAP 2, PARK 1, PARK 2, etc.) are used to select an available line, access parked calls, or activate programmed features. The LED indicators (Red, Green) show the status of each line:
- Verde (sólido): Line in use.
- Verde (intermitente): Incoming call or line on hold.
- Rojo (sólido): Line busy or feature active.
4.4 Using Soft Keys and LCD Menu
The four soft keys located directly below the LCD display change their function based on the current context or menu. The LCD will show labels above these keys (e.g., Ayuda, Salida, Menú).
- Presione el Menú soft key to access phone settings and features.
- Use the navigation keys (up/down/left/right) to scroll through menu options.
- Press the corresponding soft key to select an option.
- Presione el Salida soft key to return to the previous screen or exit the menu.
- El Ayuda soft key provides on-screen assistance for the current function.
4.5 Hold, Transfer, and Redial
- Sostener: Durante una llamada activa, presione el Sostener button. The line key will flash. To retrieve the call, press the flashing line key again.
- Transfer del aeropuerto: Durante una llamada activa, presione el Transferir button. Dial the extension or external number, then either announce the call and hang up, or simply hang up to complete a blind transfer.
- Rellamada Para volver a marcar el último número al que llamó, presione el Remarcar botón.
4.6 Speakerphone and Microphone
- Presione el Vocero button to activate or deactivate the speakerphone. The phone supports full-duplex handsfree operation.
- Presione el Micrófono button to mute or unmute your microphone during a call. The LED next to the button will indicate its status.
5. Mantenimiento
Proper care and maintenance will extend the life of your NEC DTL-12D-1 DT330 phone.
- Limpieza: Utilice un paño suave y ligeramente húmedo.amp cloth to clean the phone's surface. Avoid abrasive cleaners, solvents, or strong chemicals, as these can damage the plastic and display.
- Polvo: Regularly wipe away dust from the handset, keypad, and display.
- Ambiente: Keep the phone away from direct sunlight, excessive heat, and moisture. Ensure it is placed on a stable surface.
- cables: Periodically check all connected cables for any signs of wear or damage.
6. Solución de problemas
Si tiene problemas con su teléfono, consulte los siguientes problemas y soluciones comunes.
| Problema | Posible causa | Solución |
|---|---|---|
| Sin tono de marcado |
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| La pantalla está en blanco |
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| No puedo escuchar a la persona que llama / La persona que llama no puede escucharme |
|
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| Las teclas no responden |
|
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7. Especificaciones
Detailed technical specifications for the NEC DTL-12D-1 DT330 Digital Phone:
- Modelo: DTL-12D-1
- Marca: Comité ejecutivo nacional
- Mostrar: 168 x 58 dot matrix backlit LCD with cursor keys
- Teclas de línea: 8 (with Red/Green LEDs)
- Claves suaves: 4 (context-sensitive)
- Teclado Backlit 10-key
- Altavoz: Full-duplex handsfree operation
- Base: Four-step adjustable
- Color: Negro
- Material: Plástico
- Peso del artículo: Aproximadamente 3.14 libras (1.42 kg)
- Dimensiones del producto: Aproximadamente 11.2 x 11 x 2.9 pulgadas (28.4 x 27.9 x 7.4 cm)
- Fuente de energía: Corded Electric (typically PoE or system-supplied)
- Tipo de teléfono: Corded Digital Phone
- Capacidad de llamada de conferencia: 2 vías
8. Garantía y soporte
This product is offered as a renewed item. For specific warranty details and support, please refer to the information provided by the seller at the time of purchase.
- Garantía: As a renewed product, it typically comes with a minimum 90-day warranty from the seller. Please check your purchase documentation for exact terms.
- Apoyo técnico: For technical assistance, contact your system administrator or the vendor from whom the phone system was acquired. For issues related to the renewed product itself, contact the seller directly.
- Recursos en línea: Additional information and support may be available on the official NEC website or through your service provider's documentation.





