Manual Pengguna Projektor Digital LCD Tanpa Wayar NEC NP3250W

1. Pengenalan

This manual provides detailed instructions for the safe and efficient operation, setup, and maintenance of your NEC NP3250W Wireless LCD Digital Projector. Please read this manual thoroughly before using the projector and retain it for future reference.

2. Maklumat Keselamatan

Patuhi langkah keselamatan berikut untuk mengelakkan kebakaran, kejutan elektrik atau kecederaan:

• Sumber Kuasa: Use only the power supply specified for this projector. Ensure the power cord is securely plugged into a grounded outlet.
• Pengudaraan: Do not block ventilation openings. Ensure adequate space around the projector for proper airflow to prevent overheating.
• Lamp: Projektor lamp operates at high temperatures and pressures. Allow the projector to cool down completely before attempting any maintenance, especially lamp replacement. Refer to the maintenance section for lamp arahan pengendalian.
• Cecair dan Kelembapan: Do not expose the projector to rain, moisture, or excessive humidity. Avoid placing liquids near the projector.
• Servis: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel. Opening the projector casing boleh mendedahkan anda kepada voltage atau risiko lain.
• Perlindungan Mata: Jangan lihat terus ke dalam kanta projektor apabila lamp is on, as the intense light can damage your eyes.

3. Projector Components Overview

Familiarize yourself with the various parts of your NEC NP3250W projector.

Rajah 3.1: hadapan bersudut view of the NEC NP3250W projector, showing the main lens, focus/zoom rings, and side ventilation grilles.

Rajah 3.2: Depan langsung view of the NEC NP3250W projector, displaying the main lens, lens release button, and zoom indicator.

Rajah 3.3: Top panel controls of the NEC NP3250W projector, including navigation buttons (Menu, Select, Enter, Source, Auto Adjust, 3D Reform), indicator lights (USB, Lamp, Status, Power), and lens shift/focus adjustment dials.

Rajah 3.4: Rear panel of the NEC NP3250W projector, detailing all input/output ports including USB (B/LAN), LAN, USB, Computer 1/2 (VGA/DVI-D), Component In, S-Video In, Video In, Audio In/Out, Remote, PC Control, and AC In power connection.

Rajah 3.5: sebelah view of the NEC NP3250W projector, emphasizing the large ventilation grilles for heat dissipation.

Rajah 3.6: Bottom label of the NEC NP3250W projector, displaying model number (NP3250W), electrical ratings (100-240V~ 50/60Hz 5.9-2.3A), and various compliance certifications.

4. Persediaan

4.1. Membongkar dan Pemeriksaan Awal

Carefully remove the projector from its packaging. Inspect for any signs of damage. If the projector was purchased without a lamp, ensure a compatible lamp is acquired and installed before operation. Refer to Section 6.1 for lamp arahan pemasangan.

4.2. Penempatan Projektor

Place the projector on a stable, level surface or mount it securely. Ensure the projector is positioned at an appropriate distance from the screen to achieve the desired image size. Maintain adequate clearance around the ventilation openings.

4.3. Kuasa Penyambung

1. Connect the power cord to the AC IN port on the rear of the projector (refer to Figure 3.4).
2. Palamkan hujung kord kuasa yang lain ke dalam salur keluar elektrik yang dibumikan.

4.4. Menyambung Sumber Input

The NP3250W offers various input options:

• Computer (VGA/DVI-D): Use a VGA or DVI-D cable to connect your computer to the 'COMPUTER 1 IN' or 'COMPUTER 2 IN' ports.
• Video Komponen: Connect component video cables (YPbPr) to the 'COMPONENT IN' ports.
• S-Video: Connect an S-Video cable to the 'S-VIDEO IN' port.
• Video Komposit: Connect a composite video cable (yellow RCA) to the 'VIDEO IN' port.
• Audio: Connect audio cables to the corresponding 'AUDIO IN' ports for each video input, or use the dedicated 'AUDIO IN' ports for general audio input.
• LAN/USB: For network and USB connectivity, refer to Section 5.3 for detailed instructions.

5. Mengendalikan Projektor

5.1. Menghidupkan dan Mematikan

1. Hidupkan kuasa: Tekan ke KUASA button on the projector's top panel or the remote control. The power indicator light will turn green.
2. Matikan: Tekan ke KUASA butang lagi. Mesej pengesahan mungkin muncul. Tekan KUASA once more to confirm shutdown. The projector will enter a cooling cycle, and the power indicator will flash before turning off. Do not unplug the projector during the cooling cycle.

5.2. Basic Image Adjustments

• Fokus: Putar FOKUS ring on the lens or use the 'FOCUS' dial on the top panel (refer to Figure 3.3) until the image is sharp.
• Zum: Putar ZOOM ring on the lens to adjust the image size.
• Anjakan Lensa: Gunakan SHIFT LENS dials on the top panel (refer to Figure 3.3) to vertically or horizontally adjust the image position without moving the projector.
• Pembetulan Keystone: If the image appears trapezoidal, use the 'KEYSTONE' function in the projector's OSD (On-Screen Display) menu to correct it.
• Pemilihan Sumber: Tekan ke SUMBER button on the top panel or remote control to cycle through available input sources.
• Navigasi Menu: Gunakan MENU button and arrow keys on the top panel (refer to Figure 3.3) to access and navigate the projector's settings menu. Press MASUK untuk mengesahkan pilihan.

5.3. Kesambungan Wayarles

The NEC NP3250W supports wireless projection. To utilize this feature:

1. Ensure a compatible wireless adapter (if not built-in) is connected to the projector's USB port.
2. Access the 'Network' or 'Wireless' settings within the projector's OSD menu.
3. Configure the wireless settings to connect to your local Wi-Fi network or establish a direct connection with a compatible device.
4. Follow the on-screen instructions or refer to the detailed network guide for specific software installation on your computer or mobile device for wireless transmission.

6. Penyelenggaraan

Penyelenggaraan berkala memastikan prestasi optimum dan memanjangkan jangka hayat projektor anda.

6.1. Lamp Penggantian

Nota Penting: The product description indicates 'Missing Lamp'. A new lamp must be installed before the projector can be operated.

Projektor lamp has a limited lifespan. When the 'LAMP' indicator light illuminates or a warning message appears, the lamp perlu diganti. Sentiasa gunakan pengganti NEC tulenamps.

1. Matikan dan Sejukkan Badan: Turn off the projector and unplug the power cord. Allow at least 60 minutes for the lamp to cool completely. The lamp operates at high temperatures and can cause severe burns if handled while hot.
2. Cari Lamp penutup: Kenal pasti lamp cover on the projector casing.
3. Keluarkan Penutup: Longgarkan skru yang menahan lamp cover and carefully remove it.
4. Keluarkan L Lamaamp: Longgarkan skru yang memegang lamp module in place. Carefully pull the lamp module straight out.
5. Pasang L Baharuamp: Masukkan l baru dengan perlahanamp module, ensuring it is seated correctly. Tighten the screw(s) to secure it.
6. Gantikan Penutup: Pasang semula lamp tutup dan ketatkan skrunya.
7. Tetapkan semula Lamp Pemasa: Selepas menggantikan lamp, you must reset the lamp timer in the projector's OSD menu to accurately track lamp usage. Refer to the OSD menu for 'Lamp Reset' options.

6.2. Pembersihan Penapis Udara

The air filter prevents dust from entering the projector and affecting performance. Clean the filter regularly (e.g., every 100-200 hours of use).

1. Matikan dan Sejukkan Badan: Turn off and unplug the projector. Allow it to cool.
2. Locate Filter Cover: Identify the air filter cover, typically on the side or bottom of the projector.
3. Keluarkan Penapis: Open the cover and carefully remove the air filter.
4. Penapis Bersih: Use a small vacuum cleaner or a soft brush to remove dust from the filter. Do not wash the filter with water.
5. Pasang semula Penapis: Place the clean filter back into its slot and close the cover securely.

6.3. Pembersihan Kanta

Use a soft, lint-free cloth specifically designed for optical lenses. Gently wipe the lens surface to remove dust or smudges. Avoid using abrasive cleaners or excessive force.

7. Penyelesaian masalah

Jika anda menghadapi masalah, rujuk kepada masalah dan penyelesaian biasa berikut:

8. Spesifikasi

9. Waranti dan Sokongan

For warranty information and technical support, please refer to the documentation provided at the time of purchase or visit the official NEC webtapak. Simpan resit pembelian anda sebagai bukti pembelian untuk tuntutan waranti.