Brand: FERMAX
Category: Intercom System
Document Type: Manual
Language: EN
Available Languages: ES , EN
Manual for DUOX VEO MONITOR
Uploaded: April 20, 2026, 7:38 p.m.
Warranty Information
This product is protected by the following patents and utility models.
Introduction
The VEO DUOX monitor incorporates DUOX technology for audio and video, power, and data through two non-polarized wires.
Functionalities
- Door opening.
- Concierge call.
- Call volume regulation.
- Call disconnection (Do not disturb).
- Melody selection.
- Door chime.
- Programming from outdoor panel, monitor, and doorbell.
- Audio volume regulation.
- On-screen menu (OSD) parameter configuration.
- Brightness, contrast, and color adjustments.
- Auxiliary functions F1 and F2.
- Inductive loop (depending on model).
- Image capture (with memory).
Troubleshooting and error codes
Troubleshooting
| Problem | Possible Cause | Solution |
| Monitor not working | Monitor not programmed or incorrect address. | Program the monitor. |
| No sound | Low volume or "Do not disturb" activated. | Adjust volume or deactivate "Do not disturb". |
| Distorted image | Incorrect video settings. | Adjust brightness, contrast, color. |
| No image capture | Function disabled. | Enable image capture. |