1. परिचय
This manual provides detailed instructions for the installation, operation, and maintenance of your ELRO DV477W2 Video Door Intercom System. This system is designed for two apartments sharing a single entrance, offering secure two-way communication and visual verification of visitors. Please read this manual thoroughly before installation and use to ensure proper function and safety.
2. पॅकेज सामग्री
खाली सूचीबद्ध केलेले सर्व घटक तुमच्या पॅकेजमध्ये आहेत याची खात्री करा:
- 2 x Indoor Monitors (7-inch color screens)
- 2 x Mounting Brackets for Indoor Monitors
- 1 x Outdoor Unit (Waterproof Doorbell with Camera)
- 1 x Mounting Support with Rain Cap for Outdoor Unit
- 2 x 15-meter 4-wire Cables
- 2 x पॉवर अडॅप्टर
- 1 x Set of Mounting Hardware (screws, wall plugs)
- 1 x वापरकर्ता मॅन्युअल
3. उत्पादन संपलेview
3.1 सिस्टम घटक
The ELRO DV477W2 system consists of an outdoor unit and two indoor monitors, enabling comprehensive video intercom functionality.

Figure 1: ELRO DV477W2 Video Door Intercom System
३.१ आउटडोअर युनिटची वैशिष्ट्ये
The outdoor unit is equipped with a camera, microphone, speaker, and two bell pushes for individual apartments. It also features color night vision technology for clear images in low-light conditions.

Figure 2: Outdoor Unit Components and Recommended Mounting Height
- मायक्रोफोन: Captures audio from visitors.
- कॅमेरा: Provides video feed to indoor monitors. Features an adjustable lens (55-degree viewकोन).
- रात्री View एलईडी: Illuminates the area for clear night vision.
- वक्ता: Outputs audio from indoor monitors.
- Bell Pushes: Two separate buttons for calling each apartment.
- नेमप्लेट्स: Customizable slots for apartment names.

Figure 3: Outdoor Unit Rear View आणि परिमाण
३.२ इनडोअर मॉनिटरची वैशिष्ट्ये
Each indoor monitor features a 7-inch color screen and intuitive buttons for communication, door/gate unlocking, and live view सक्रियकरण

Figure 4: Indoor Monitor Front View आणि नियंत्रणे
- टॉक बटण: Initiates two-way audio communication.
- Gate Unlock Button: Activates the gate release mechanism (if connected).
- Door Unlock Button: Activates the door release mechanism (if connected).
- लाइव्ह View बटण: Displays the camera feed without a visitor pressing the bell.

Figure 5: Indoor Monitor Side Controls
- ध्वनी आवाज: Adjusts the chime volume.
- ध्वनी निवडा: Cycles through 16 different ringtones.
- चमक: स्क्रीन ब्राइटनेस समायोजित करते.
- Color Intensity: Adjusts screen color saturation.
- Talk Volume: Adjusts the volume of the two-way communication.
4. सेटअप आणि स्थापना
महत्त्वाचे: Installation should be performed by a qualified technician or a person with sufficient electrical knowledge. Disconnect power before beginning installation.
५.२ आउटडोअर युनिट बसवणे
- Choose a suitable location for the outdoor unit, typically near the entrance door. The recommended mounting height for the camera is between 1.35 and 1.7 meters from the ground (refer to Figure 2).
- Attach the mounting support with the rain cap to the wall using the provided screws and wall plugs. Ensure it is level and securely fastened.
- Connect the 4-wire cable and any optional door/gate unlock wires to the outdoor unit's terminals.
- Secure the outdoor unit onto the mounting support.
4.2 Mounting the Indoor Monitors
- Select a convenient indoor location for each monitor, such as a hallway or living area.
- Attach the indoor monitor mounting bracket to the wall using the provided hardware.
- Connect the 4-wire cable from the outdoor unit to the indoor monitor's terminals. Ensure correct polarity.
- Connect the power adapter to the indoor monitor and plug it into a power outlet.
- Mount the indoor monitor onto its bracket.
५.२ वायरिंग आकृती (सामान्य)
The system uses a 4-wire connection between the outdoor unit and each indoor monitor. Additional wires are required for electric door/gate locks. Refer to the detailed wiring diagram in the included paper manual for specific connections.
5. ऑपरेशन
5.1 कॉल प्राप्त करणे
- When a visitor presses a bell push on the outdoor unit, the corresponding indoor monitor will ring and display the visitor's image.
- दाबा बोला button (phone icon) on the indoor monitor to initiate two-way communication.
४.३ द्वि-मार्गी संवाद
After pressing the Talk button, you can speak with the visitor. To end the conversation, press the Talk button again or the system will automatically hang up after a set period.
५.२ दरवाजा/गेट अनलॉक करणे
- To unlock the door, press the दरवाजा अनलॉक button (key icon) during a call or live view.
- To unlock the gate, press the गेट अनलॉक button (gate icon) during a call or live view.
5.4 थेट View
ला view the outdoor camera feed at any time without a visitor, press the लाइव्ह View button (person icon) on the indoor monitor.
5.5 सेटिंग्ज समायोजित करणे
Use the adjustment knobs on the side of the indoor monitor (refer to Figure 5) to customize:
- ध्वनी आवाज: Adjusts the volume of the incoming chime.
- ध्वनी निवडा: Choose from 16 different melodies for the doorbell chime.
- चमक: डिस्प्ले ब्राइटनेस नियंत्रित करते.
- Color Intensity: Adjusts the color saturation of the display.
- Talk Volume: Adjusts the volume of the two-way conversation.
6. देखभाल
- स्वच्छता: Use a soft, dry cloth to clean the surfaces of the outdoor unit and indoor monitors. Do not use abrasive cleaners or solvents.
- मैदानी युनिट: Periodically check the outdoor unit for any obstructions to the camera or microphone. Ensure the rain cap is securely in place.
- केबल्स: सर्व केबल्स सुरक्षितपणे जोडल्या गेल्या आहेत आणि नुकसानापासून मुक्त आहेत याची खात्री करा.
7. समस्या निवारण
| समस्या | संभाव्य कारण | उपाय |
|---|---|---|
| No image on indoor monitor | Loose cable connection; Power issue; Camera malfunction. | Check all 4-wire connections. Ensure power adapter is plugged in. Contact support if problem persists. |
| संवादादरम्यान आवाज नाही | Volume too low; Microphone/speaker obstruction; Wiring issue. | Adjust talk volume on the indoor monitor. Check for obstructions on outdoor unit. Verify wiring. |
| Door/gate unlock not working | Incorrect wiring to electric lock; Lock power issue. | Review wiring diagram for electric lock connections. Ensure the electric lock has power. |
| मॉनिटर चालू होत नाहीये | पॉवर अॅडॉप्टर कनेक्ट केलेला नाही किंवा तो सदोष आहे; पॉवर आउटलेटमध्ये समस्या आहे. | Check power adapter connection and power outlet. Try a different outlet. |
8. तपशील
| वैशिष्ट्य | तपशील |
|---|---|
| मॉडेल क्रमांक | DV477W2 |
| उत्पादक | ELRO युरोप |
| इनडोअर मॉनिटर स्क्रीन आकार | 7 inches (18 cm) Color |
| बाहेरील युनिटचे परिमाण (L x W x H) | 8 x 6 x 20.6 सेमी |
| सिस्टम वजन | 3.18 किलो |
| कॅमेरा Viewकोन | Adjustable 55 degrees |
| नाईट व्हिजन | Color Night Vision Technology |
| पॉवर प्रकार | AC/DC (via included adapters) |
| Number of Apartments Supported | 2 |
| रिंगटोन | 16 different melodies |
| कनेक्टिव्हिटी | वायर्ड (४-वायर सिस्टम) |
9. हमी आणि समर्थन
ELRO products are designed for reliability and performance. For warranty information, please refer to the documentation included with your purchase or visit the official ELRO website. If you encounter any issues or require technical assistance, please contact ELRO customer support. Have your model number (DV477W2) and purchase details ready when contacting support.





