1. مقدمه
This manual provides detailed instructions for the installation, operation, and maintenance of your OBO HANDS Wired 4.3" Video Doorbell Intercom Indoor Monitor. This device is designed to enhance home security and communication by providing visual and audio interaction with visitors at your door. Please read this manual thoroughly before use to ensure proper functionality and safety.

Figure 1: OBO HANDS 4.3" Indoor Monitor
Note: This product is an indoor monitor ONLY and does not include an outdoor unit. It is compatible with 5-wire or 4-wire connection type outdoor units.
2. محتویات بسته
لطفاً هنگام دریافت، محتویات بسته را بررسی کنید تا مطمئن شوید همه اقلام موجود و بدون آسیب هستند:
- 1 x Indoor unit (Monitor)
- 1 x Power adapter (US/EU/UK/AU plug - specific type depends on region)
- 2 x Wiring connectors
- 1 عدد براکت نصب
- 1 عدد کیسه پیچ
- 1 x دفترچه راهنمای کاربر

Figure 2: Included components in the package

Figure 3: Available power adapter plug types
3. مشخصات
| ویژگی | مشخصات |
|---|---|
| شماره مدل | V43E156 / V43E168 |
| نام تجاری | OBO HANDS |
| مبدا | سرزمین اصلی چین |
| گواهینامه | CE |
| پلت فرم خانه هوشمند | هیچ کدام |
| تایپ کنید | Video doorbell indoor monitor |
| منبع تغذیه ورودی/خروجی | AC100 - 240V / DC15V, 1500mA |
| مصرف برق | Standby: ≤ 1W; Working: ≤ 10W |
| صفحه نمایش | 4.3" TFT-LCD color screen |
| قطعنامه | 480x272 |
| آهنگ زنگ | 25 Chords |
| نصب و راه اندازی | نصب دیواری |
| سیم کشی | 4 or 5 PIN line RVV |
| سیگنال ویدیویی | 1VP - P |
| Intercom Time Delay | 30 ثانیه |
| Monitoring Time Delay | 90 ثانیه |
| رطوبت نسبی | 10% تا 90% |
| دمای کاری | -20 ~ +60 Celsius |
| ابعاد (L/W/H) | 195mm x 185mm x 30mm |

Figure 4: Indoor Monitor Dimensions (195mm x 185mm x 30mm)

شکل 5: عقب view of the Indoor Monitor
4. راه اندازی و نصب
4.1 Cabling Standards
The indoor monitor uses a 5-wire or 4-wire connection type. The maximum transmission distance between the indoor monitor and the outdoor unit is approximately 100 meters. Select the appropriate cable diameter based on the distance:
| فاصله | نوع کابل |
|---|---|
| 30 متر | RVV4 * 0.30 |
| 50 متر | RVV4 * 0.50 |
| 100 متر | RVV4 * 1.0 |

Figure 6: Cable selection guide
4.2 نمودار سیم کشی
The system requires a 4-core cable to connect the outdoor unit and the indoor monitor. If connecting a second indoor monitor, a 5-core cable is used between the indoor monitors. Ensure correct polarity and connections as shown in the diagram below.

شکل 7: مثالample wiring diagram (Outdoor unit and electric lock not included)
Important: This indoor monitor is only compatible with 5-wire or 4-wire connection type outdoor units. If you have an existing outdoor unit, please verify its compatibility before installation.

شکل 8: مثالamples of compatible outdoor units
4.3 نصب روی دیوار
Use the provided mounting bracket and screws to securely attach the indoor monitor to a wall. Ensure the location allows for easy access to controls and clear visibility of the screen.
5. دستورالعمل های عملیاتی

Figure 9: Indoor Monitor Controls and Adjustments
5.1 Dual-way Intercom and Monitoring
- دریافت تماس: When a visitor rings the doorbell, the indoor monitor will activate, display the image from the outdoor unit, and sound the selected ringtone. Press the "Answer" button (Intercom Button) to begin two-way audio communication.
- پایان دادن به تماس: Press the "Answer" button again to end the conversation. If no action is taken, the monitor will automatically turn off after 60 seconds.
- نظارت: به view the outdoor area without a visitor call, press the "Monitor" button. The screen will display the outdoor view, and you can hear sounds from outside. The monitor will turn off automatically after 90 seconds of monitoring.

Figure 10: Handsfree Dual-way Intercom in action
5.2 Ringtones and Volume Adjustment
- The monitor offers 25 chord ringtones. You can select your preferred ringtone.
- Both the ringtone and intercom volume can be adjusted to three levels using the dedicated adjustment dials (refer to Figure 9).

Figure 11: Ringtones feature
5.3 حالت مزاحم نشوید
To avoid disturbance, especially during rest periods, you can activate the "Do Not Disturb" mode. This will silence the ringtone. Refer to Figure 9 for the "Ring Cancel" button.

Figure 12: Do Not Disturb mode
5.4 One-Key Unlocking
If an electrical lock (12V) is connected to the system, you can unlock the door directly from the indoor monitor by pressing the "Unlock" button. This provides convenient access control for your home.

Figure 13: One-key unlock functionality (Locks not included)
6. نکات کاربر
- Ensure all wiring connections are secure and correctly matched to avoid signal loss or malfunction.
- Regularly test the intercom and unlock functions to ensure they are working properly.
- Adjust the screen brightness and color to your preference using the side adjustment dials for optimal viewing.
- If experiencing issues with the outdoor unit, verify its compatibility and wiring with the indoor monitor.
7 عیب یابی
If you encounter any issues with your indoor monitor, please refer to the following common troubleshooting steps:
- بدون برق: Check if the power adapter is correctly plugged into a working outlet and securely connected to the monitor. Verify the power supply voltage با مشخصات محصول مطابقت دارد.
- No Image/Sound from Outdoor Unit:
- Ensure all wiring between the indoor monitor and outdoor unit is correctly connected and not damaged.
- Confirm the outdoor unit is powered on and functioning.
- Verify the outdoor unit is compatible with a 4-wire or 5-wire system.
- اینترکام کار نمیکند: Check the wiring connections for the audio signal. Ensure the volume is not set to mute or too low.
- Unlock Function Not Working:
- Verify the electric lock is correctly wired to the system and receiving power.
- Ensure the electric lock is a 12V type compatible with the system.
- Check the wiring for the unlock signal.
- Ringtone Issues: If the ringtone is not sounding, check if "Do Not Disturb" mode is active. Adjust the ringtone volume.
اگر پس از انجام این مراحل، مشکلات همچنان ادامه داشت، لطفاً با پشتیبانی مشتری تماس بگیرید.
8. تعمیر و نگهداری
- تمیز کردن: برای تمیز کردن صفحه مانیتور و ... از یک پارچه نرم و خشک استفاده کنید.asinز. از پاککنندههای ساینده یا حلالها استفاده نکنید، زیرا ممکن است به سطح آسیب برسانند.
- محیط زیست: Keep the monitor in a dry environment, away from direct sunlight, high temperatures, and excessive humidity.
- بازرسی کابل: Periodically inspect all wiring for any signs of wear or damage.
9. گارانتی و پشتیبانی
This product comes with a ONE YEAR warranty from the date of purchase. The warranty covers manufacturing defects under normal use. Damage caused by improper installation, misuse, accidents, or unauthorized modifications is not covered.
For technical support or warranty claims, please contact your retailer or the manufacturer with your purchase details.