1. Introdución
This manual provides comprehensive instructions for the installation, operation, and maintenance of your COMMAX CDV-43M Fine View Doorphone Monitor. Please read this manual thoroughly before installation and use to ensure correct operation and to prevent damage to the device. Keep this manual for future reference.
2. Características do produto
- Pantalla LCD TFT de 4.3 polgadas: Provides clear video display for monitoring and communication.
- Video Talk and Door Lock Release: Enables two-way video communication and remote door unlocking for both individual and public entrances.
- Expansión do sistema: Supports connection of up to 2 monitors, 2 cameras, and 2 interphones for a comprehensive security system.
- Titanium Metal Design: Features a rigid and elegant metal finish for enhanced durability and aesthetic appeal.
- LED Backlights: Ensures a brighter and clearer screen display.
- High-Sensitive MIC: Delivers improved sound quality for clear communication.
- Blue Light Touch Buttons: Intuitive and responsive touch controls with captivating blue illumination.
- PAL/NTSC Convertible: Compatible with various video signal standards.

Figura 2.1: Fronte view of the COMMAX CDV-43M Fine View Doorphone Monitor, showcasing its 4.3-inch LCD screen and touch-sensitive control buttons. The monitor features a sleek titanium metal design with a blue panel.
3. Instalación e configuración
3.1. Contido do paquete
Antes da instalación, comprobe que estean presentes todos os compoñentes:
- COMMAX CDV-43M Monitor
- Soporte de montaxe
- Parafusos e tacos
- Manual de usuario (este documento)
- Cable de alimentación
3.2. Montaxe do monitor
Choose a suitable location indoors, away from direct sunlight, heat sources, and moisture. Ensure the wall is strong enough to support the monitor's weight.
- Use o soporte de montaxe como plantilla para marcar os puntos de perforación na parede.
- Perforar buratos e introducir tacos de parede.
- Fixe o soporte de montaxe á parede cos parafusos proporcionados.
- Before attaching the monitor, complete all necessary wiring connections.

Figura 3.1: Technical drawing illustrating the dimensions of the COMMAX CDV-43M monitor. The diagram shows a width of 180 mm and a height of 180 mm, with the 4.3-inch LCD screen measuring 109 mm diagonally.
3.3. Conexións de cableado
Ensure power is disconnected before making any wiring connections. Refer to the wiring diagram for proper connection of cameras, interphones, and power.
- Connect the outdoor camera unit(s) to the designated camera input ports on the monitor.
- If using interphones, connect them to the interphone ports.
- For multi-unit installations, an MD-KAM4 distributor may be required (as shown in Figure 3.2).
- Connect the AC power cable (AC 100V-240V) to the monitor and then to a power outlet.
- Carefully attach the monitor to the mounted bracket.

Figura 3.2: Schematic diagram demonstrating the connection of the COMMAX CDV-43M monitor to multiple door cameras and interphones via an MD-KAM4 distributor. This illustrates a typical multi-unit installation setup.
4. Instrucións de funcionamento
4.1. Funcionamento básico
- Encendido/apagado: The monitor powers on automatically when connected to power. There is no dedicated power button.
- Respondendo a unha chamada: When a visitor presses the call button on the outdoor unit, the monitor will ring and display the visitor's image. Press the Resposta button (typically a phone icon) to initiate video talk.
- Seguimento: Preme o Monitor button (typically an eye or camera icon) to view the outdoor camera feed without a call.
- Door Lock Release: During a call or while monitoring, press the Pechadura da porta button (typically a key icon) to remotely unlock the connected door.
- Interphone Communication: If interphones are connected, press the Interfono button (if available) to communicate with other indoor units.
4.2. Touch Button Functions
The monitor features blue light touch buttons for various functions. Refer to the icons on the monitor for specific actions:
- Person Icon: Likely for visitor call or general settings.
- Circle Icon: Could be for monitoring or menu access.
- Icona clave: For door lock release.
- Grid/Square Icon: Potentially for multi-camera view or system settings.
- Icona do teléfono: For answering calls or initiating communication.
5. Mantemento
5.1. Limpeza
To maintain the monitor's appearance and functionality:
- Limpe a pantalla e a carcasa cun pano suave, seco e sen fiapos.
- Para marcas difíciles, espolvoree lixeiramenteampEnxágüe o pano con auga. Evite o uso de produtos químicos agresivos, produtos de limpeza abrasivos ou solventes.
- Ensure no liquid enters the device.
5.2. Atención xeral
- Evite expoñer o monitor a temperaturas extremas, humidade ou luz solar directa.
- Non intente desmontar nin reparar a unidade vostede mesmo. Consulte persoal de servizo cualificado.
- Manteña o monitor lonxe de campos magnéticos fortes.
6 Solución de problemas
If you encounter issues with your COMMAX CDV-43M monitor, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| Non hai imaxe na pantalla | No power; Camera not connected; Faulty camera/cable. | Check power connection; Verify camera wiring; Test with another camera if possible. |
| Sen son durante a chamada | Microphone/speaker issue; Wiring problem. | Check wiring connections; Ensure microphone/speaker are not obstructed. |
| Door lock not releasing | Door lock not connected; Faulty lock mechanism; Wiring issue. | Verify door lock wiring; Check the door lock's functionality independently. |
| Monitor not responding to touch | Temporary software glitch; Dirty screen. | Disconnect and reconnect power; Clean the screen surface. |
If the problem persists after attempting these solutions, please contact Commax customer support or a qualified technician.
7. Especificacións
| Característica | Especificación |
|---|---|
| Modelo | CDV-43M |
| Tamaño de visualización | LCD TFT de 4.3 polgadas |
| Fonte de alimentación | CA 100V-240V |
| Tipo de control | Botón táctil |
| Sistema de video | PAL/NTSC Convertible |
| Dispositivos compatibles | 2 Monitors, 2 Cameras, 2 Interphones |
| Peso do elemento | 760 g |
| Dimensións do paquete | 30.2 x 25.4 x 7.2 cm |
| Tipo de fonte de luz | LED |
| Velocidade de cadros | 30 fotogramas por segundo |
| Wattage | 5 vatios |
8. Garantía e soporte
The COMMAX CDV-43M Fine View Doorphone Monitor is covered by a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions, including warranty period and coverage details. For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Commax customer support through their official websitio ou centros de servizo autorizados.
Para obter máis asistencia e información sobre o produto, visite o sitio web oficial Commax websitio.