1. Pengenalan
This manual provides essential information for the safe and efficient operation of your NEC M551 MultiSync 55-inch 4K UHD Digital Signage Display. Please read this manual thoroughly before using the product and retain it for future reference.
The NEC M551 is designed for digital signage applications, offering a 55-inch 4K UHD (3840 x 2160) LED-backlit LCD display with HDR capabilities. Its design supports both horizontal and vertical orientation for flexible installation.
Rajah 1: Depan view of the NEC M551 MultiSync 55-inch 4K UHD Digital Signage Display. The display shows a vibrant image of a blue flower with water droplets, highlighting its 4K UHD resolution and color capabilities.
2. Maklumat Keselamatan
Always observe the following safety precautions to prevent injury and damage to the display.
- Sumber Kuasa: Connect the display only to the specified power supply.
- Pengudaraan: Pastikan pengudaraan yang mencukupi di sekeliling paparan. Jangan sekat bukaan pengudaraan.
- penempatan: Place the display on a stable, level surface or mount it securely according to installation guidelines. Avoid direct sunlight, heat sources, and excessive moisture.
- Pembersihan: Disconnect power before cleaning. Use a soft, dry cloth. Avoid liquid cleaners or aerosol sprays.
- Servis: Do not attempt to service the display yourself. Refer all servicing to qualified service personnel.
3. Persediaan
3.1 Membongkar Paparan
- Buka pembungkusan dengan berhati-hati dan keluarkan paparan.
- Check for any visible damage. If damaged, contact your dealer immediately.
- Ensure all accessories are present: power cord, remote control, batteries, and documentation.
3.2 Pemasangan dan Peletakan
The NEC M551 supports both horizontal and vertical orientations. Ensure the mounting solution (e.g., wall mount, stand) is rated for the display's weight (approximately 59 lbs / 26.7 kg) and dimensions (56.3 x 36.2 x 9.8 inches).
- For wall mounting, use a VESA-compatible mount.
- Maintain sufficient space around the display for heat dissipation.
3.3 Menyambung Peranti
The display features various input ports for connectivity.
- Sambungan Kuasa: Connect the power cord to the display's AC inlet and then to a grounded power outlet.
- Input Video: Connect your video source (e.g., media player, PC) to the display using an HDMI cable. The display supports 4K UHD resolution via HDMI.
- Sambungan Lain: Refer to the port labels on the display for additional connections such as USB, DisplayPort, or audio outputs, if applicable.
4. Arahan Operasi
4.1 Menghidupkan/Mematikan
- Hidupkan kuasa: Press the power button on the remote control or on the display's control panel.
- Matikan: Press the power button again. The display will enter standby mode. For complete power off, disconnect the power cord.
4.2 Tetapan Paparan Asas
Use the remote control to navigate the On-Screen Display (OSD) menu.
- Pemilihan Input: Press the "Input" button to cycle through available video sources (HDMI, DisplayPort, etc.).
- Tetapan Gambar: Adjust brightness, contrast, color temperature, and aspect ratio (16:9 native). The display supports High Dynamic Range (HDR).
- Tetapan Audio: Adjust volume and audio output options.
- Tetapan Lanjutan: Explore options for digital signage features, scheduling, and network settings if applicable to your model.
4.3 Menggunakan Alat Kawalan Jauh
The remote control provides access to all display functions. Ensure batteries are correctly inserted.
- Kuasa: Menghidupkan atau mematikan paparan.
- Menu: Membuka menu OSD.
- Butang Navigasi: Digunakan untuk beralih melalui pilihan menu.
- Masukkan/OK: Mengesahkan pilihan.
- Jilid +/-: Melaraskan kelantangan audio.
- Sumber: Memilih sumber input.
5. Penyelenggaraan
5.1 Membersihkan Paparan
- Turn off the display and disconnect the power cord.
- Lap skrin perlahan-lahan dengan kain lembut yang tidak berbulu. Untuk tanda degil, ringankan dampen kain dengan air.
- Bersihkan paparan casing dengan kain lembut dan kering.
- Jangan gunakan: Alcohol, benzene, thinners, or abrasive cleaners, as these can damage the screen or casing.
5.2 Penjagaan Am
- Elakkan meletakkan objek berat pada paparan.
- Protect the display from extreme temperatures and humidity.
- If the display will not be used for an extended period, disconnect it from the power outlet.
6. Penyelesaian masalah
Before contacting support, try the following solutions for common issues.
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa | Kord kuasa diputuskan; Salur keluar kuasa rosak | Pastikan kord kuasa disambungkan dengan selamat; Uji soket dengan peranti lain. |
| Tiada imej | Incorrect input source; Video cable loose or faulty; Source device off | Select correct input source via remote; Check video cable connections; Ensure source device is powered on. |
| Kualiti imej yang lemah | Incorrect resolution; Cable quality; Display settings | Ensure source device outputs 4K UHD; Use high-quality HDMI cables; Adjust picture settings in OSD menu. |
| Alat kawalan jauh tidak berfungsi | Dead batteries; Obstruction; Incorrect aiming | Replace batteries; Remove obstructions; Point remote directly at the display's IR receiver. |
7. Spesifikasi
Key technical specifications for the NEC M551 MultiSync display.
- model: NEC M551 MultiSync
- Saiz Skrin: 55 Inches (Diagonal Class)
- Teknologi Paparan: LCD LED-Bercahaya Belakang
- Resolusi: 4K UHD (3840 x 2160p)
- Nisbah Aspek: 16:9
- Kadar Segar Semula: 60 Hz
- Ciri Khas: Julat Dinamik Tinggi (HDR)
- Ketersambungan: HDMI (multiple inputs), DisplayPort, USB (specific ports may vary)
- Berat Barang: Lebih kurang 59 paun (26.7 kg)
- Dimensi Produk (W x H x D): Kira-kira 56.3 x 36.2 x 9.8 inci (143 x 91.9 x 24.9 cm)
- Orientasi: Horizontal and Vertical support
- warna: Hitam
8. Waranti & Sokongan
8.1 Maklumat Waranti
NEC provides a limited warranty for this product. The specific terms and duration of the warranty may vary by region and purchase date. Please refer to the warranty card included with your product or visit the official NEC weblaman web untuk maklumat jaminan terperinci.
Nota: Simpan bukti pembelian anda (resit atau invois) kerana ia akan diperlukan untuk sebarang tuntutan jaminan.
8.2 Sokongan Pelanggan
For technical assistance, service, or further inquiries, please contact NEC customer support.
- Sokongan dalam talian: Visit the official NEC webtapak untuk Soalan Lazim, muat turun pemacu dan sumber sokongan.
- Sokongan Telefon: Refer to your product documentation or the NEC webtapak untuk nombor hubungan serantau.
- Pusat Perkhidmatan: Information on authorized service centers can be found on the NEC webtapak.
When contacting support, please have your product model (M551) and serial number ready.
