1. Pengenalan
This manual provides comprehensive instructions for the installation, operation, and maintenance of the ACTi A821 6MP Outdoor Zoom Dome Camera. The ACTi A821 is a high-performance surveillance camera designed for outdoor environments, featuring 6MP resolution, 5x optical zoom, superior low light sensitivity, and robust environmental protection.
2. Maklumat Keselamatan
- Baca semua arahan dengan teliti sebelum pemasangan dan operasi.
- Ensure the power source meets the camera's requirements (DC 12V or PoE Class 3).
- Pemasangan hendaklah dilakukan oleh kakitangan yang berkelayakan mengikut kod elektrik tempatan.
- Jangan dedahkan kamera kepada suhu melampau di luar julat pengendaliannya (-40°C hingga 60°C).
- Elakkan pendedahan langsung lensa kepada sumber cahaya yang kuat untuk tempoh yang lama.
- Do not attempt to disassemble or modify the camera, as this will void the warranty.
3. Kandungan Pakej
Sahkan bahawa semua item terdapat dalam pakej:
- ACTi A821 6MP Outdoor Zoom Dome Camera
- Panduan Pemasangan
- Perkakasan Pemasangan (skru, sauh, dll.)

Rajah 1: The ACTi A821 6MP Outdoor Zoom Dome Camera. This image displays the dome-shaped camera unit, typically mounted on a ceiling or wall, with its clear protective cover revealing the internal lens assembly.
4. Ciri-ciri Produk
The ACTi A821 camera incorporates advanced features for reliable outdoor surveillance:
- Resolusi 6 Megapiksel: Delivers high-definition video for clear image capture.
- Day & Night Functionality with IR LED: Automatically switches between color and black-and-white modes, supported by infrared LEDs for visibility in complete darkness up to 85 meters.
- Superior Low Light Sensitivity: Achieves clear images in minimal ambient light conditions (0.003 lux in color).
- Kanta Zum Optik 5x: Features an f2.7-13.5mm/F1.6 auto-focus lens, allowing for flexible field-of-view adjustments (102.1° to 34.5° horizontal).
- Extreme WDR (150dB): Wide Dynamic Range technology ensures balanced exposure in scenes with both very bright and very dark areas.
- H.265/H.264 Video Compression: Efficient video encoding reduces bandwidth and storage requirements.
- 3D Digital Noise Reduction (DNR): Enhances image clarity by reducing visual noise, especially in low light.
- Sokongan Audio: 2-way audio capability with line-in and line-out ports.
- Power over Ethernet (PoE) / DC12V: Flexible power options.
- IP68 Weatherproof and IK10 Vandal Proof: Designed to withstand harsh outdoor conditions and protect against physical impact.
- Digital Input/Output (DI/DO): For integration with external sensors or alarms.
- Taiwan IoT Cybersecurity Certification Level 1 (TAICS): Ensures a baseline level of cybersecurity.
5. Persediaan
5.1 Pemasangan Fizikal
The ACTi A821 camera supports various mounting options:
- Pemasangan Dinding: Securely attach the camera to a vertical surface.
- Pemasangan tiang: Utilize an appropriate bracket to attach to a pole.
- Pemasangan Loket: Suspend the camera from a ceiling or overhang.
- Lekapan Sudut: Install the camera in a corner for wider coverage.
Ensure the mounting surface is strong enough to support the camera's weight (approximately 2.82 lbs) and any associated cabling. Use the provided mounting hardware or suitable alternatives for secure installation.
5.2 Pendawaian dan Sambungan
Connect the camera using the following interfaces:
- Ethernet Port (RJ-45 pigtail connector): Connect to your network for data transmission and Power over Ethernet (PoE). If using PoE, no separate power adapter is needed.
- Input Kuasa DC 12V: If PoE is not available, connect a DC 12V power adapter (not included) to the camera's power input.
- Audio Line-in/Line-out: Connect external microphone and speaker for 2-way audio communication.
- Digital Input/Output (Terminal block): Connect external devices such as alarm sensors or relays.
After connecting, ensure all cables are properly secured and protected, especially in outdoor installations, to maintain the IP68 rating.
5.3 Tatarajah Awal
Once powered on and connected to the network, the camera can be accessed and configured using ACTi's unified software solutions. Refer to the ACTi software documentation for detailed instructions on network discovery, IP address assignment, and initial camera settings. The camera features a reset button for factory default restoration if needed.
6. Operasi
6.1 Operasi Asas
Akses siaran langsung kamera view dan foo direkodkantage through the ACTi software or a compatible network video recorder (NVR). The camera automatically adjusts its imaging parameters based on ambient light conditions, switching between Day (color) and Night (B/W with IR) modes.
6.2 Ciri Lanjutan
- Zum dan Fokus: The 5x optical zoom lens allows for remote adjustment of the field of view. The auto-focus function simplifies installation and ensures sharp images.
- WDR (Julat Dinamik Lebar): Enable Extreme WDR (150dB) in scenes with high contrast lighting to improve visibility in both bright and dark areas simultaneously.
- Pencahayaan IR: The built-in IR LEDs provide illumination for clear black-and-white video in complete darkness. The IR working distance is up to 85 meters.
- Audio: Utilize the 2-way audio feature for communication or environmental sound monitoring.
- Pengurusan Acara: Configure event triggers (e.g., motion detection, digital input) and define corresponding responses such as recording, notification, or activating digital outputs.
- ViewPelarasan Sudut: The camera allows for pan (0°-355°), tilt (0°-75°), and rotation (0°-355°) adjustments during installation to achieve the desired coverage.
7. Penyelenggaraan
- Pembersihan: Periodically clean the camera's dome cover with a soft, damp kain untuk menanggalkan habuk, kotoran atau bintik air yang boleh menghalang view. Do not use abrasive cleaners.
- Kemas kini Firmware: Regularly check the ACTi website for firmware updates to ensure optimal performance, security, and access to new features. Follow the provided instructions for firmware upgrade procedures.
- Pemeriksaan Kabel: Periodically inspect all cables and connections for signs of wear or damage, especially in outdoor environments, to maintain weatherproofing and reliable operation.
8. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada suapan imej/video | Tiada kuasa; Isu sambungan rangkaian; Alamat IP salah. | Check power supply (PoE or DC 12V). Verify Ethernet cable connection. Ensure correct IP address and network settings. |
| Kualiti imej yang lemah | Dirty lens cover; Incorrect focus; Low light conditions; WDR not enabled. | Clean the dome cover. Adjust focus via software. Ensure sufficient lighting or enable IR. Activate WDR in high-contrast scenes. |
| Kamera tidak responsif | Software glitch; Network issue. | Restart the camera by cycling power. If issue persists, perform a factory reset using the reset button. |
| Masalah audio | Incorrect audio settings; Microphone/speaker not connected or faulty. | Check audio input/output settings in the camera software. Verify external microphone/speaker connections and functionality. |
9. Spesifikasi
| Model | A821 |
| Resolusi Maksimum | 6MP (3864x2192) |
| Persekitaran Aplikasi | Luar |
| Penderia Imej | Progressive Scan CMOS, 1/2.7" |
| Pencahayaan Minimum | Color: 0.003 lux; B/W: 0 lux (IR LED on) |
| IR Working Distance | 85m |
| Panjang Fokus | Zoom, f2.7-13.5mm |
| Nisbah Zum | zum optik 5x |
| Mendatar Viewsudut | 102.1° - 34.5° |
| Pengurangan Bunyi Digital | 2D + 3D DNR |
| Jenis Audio | 2-way, Line-in, Line-out |
| Pelabuhan Ethernet | 1x Ethernet (10/100 Base-T), RJ-45 pigtail |
| Input/Output Digital | 1/1 (Terminal block) |
| Sumber Kuasa | DC 12V, PoE Class 3 (IEEE802.3af) |
| Penggunaan Kuasa | 12.5W (PoE) |
| Environmental Casing | Weatherproof (IP68), Vandal proof (IK10) |
| Suhu Operasi | -40°C ~ 60°C |
| Dimensi | 5.55" x 3.9" |
| Berat badan | 2.82 paun |
10. Waranti dan Sokongan
For warranty information, technical support, and additional resources, please refer to the official ACTi website or contact your authorized ACTi dealer. Keep your purchase receipt for warranty claims.