1. Pengenalan
Thank you for choosing the EQ-898 HIFI Digital HD Stereo Preamplifier Equalizer. This device is designed to enhance your audio experience by providing precise control over frequency bands, allowing you to fine-tune your sound to perfection. Featuring a dual 20-band graphic equalizer, Bluetooth connectivity, and support for various digital audio formats, the EQ-898 is suitable for both home audio setups and stage aplikasi.
2. Arahan Keselamatan
- Baca semua arahan sebelum mengendalikan peranti.
- Jauhkan peranti daripada air, kelembapan dan suhu yang melampau.
- Jangan buka casing; merujuk semua perkhidmatan kepada kakitangan yang berkelayakan.
- Pastikan pengudaraan yang betul untuk mengelakkan terlalu panas.
- Use only the specified power supply (220V 50/60Hz).
- Cabut plag peranti semasa ribut petir atau apabila tidak digunakan untuk tempoh yang lama.
3. Kandungan Pakej
Sila pastikan semua item ada:
- EQ-898 HIFI Digital HD Stereo Preamplifier Equalizer Unit
- Kord Kuasa (220V)
- Manual Pengguna (dokumen ini)
4. Kawalan dan Sambungan
4.1 Panel Depan
- Tuning Sliders (Left & Right): Dual 20-band graphic equalizer sliders for adjusting low, medium, and high frequencies.
- Frequency Beat Display: Visual indicator of audio frequency activity.
- USB Flash Drive / Card Reader Slot: For inserting USB drives or memory cards to play supported audio files.
- Suis kuasa: Menghidupkan / mematikan unit.
- Audio Input Conversion Button: Selects between different audio input sources.
- Drumming Lantern Button Song: Controls a visual effect or specific playback mode.
- Butang Jeda/Main: Mengawal main balik media.
- Butang Lagu Seterusnya: Langkau ke trek seterusnya.
4.2 Panel Belakang
- USB Group Signal Transmission: USB input for audio signals.
- DVD Group Signal Transmission: DVD input for audio signals.
- INPUT (L/R): Stereo RCA input for connecting audio sources (e.g., CD player, mixer).
- OUTPUT (L/R): Stereo RCA output for connecting to an ampalat pengikat atau rakaman.
- REC (L/R): Stereo RCA output specifically for recording devices.
- 220V Power Cord Input: Menyambung kepada bekalan kuasa utama.
5. Arahan Persediaan
- penempatan: Place the EQ-898 on a stable, flat surface with adequate ventilation.
- Sambungan Kuasa: Connect the provided 220V power cord to the power input on the rear panel of the EQ-898 and then to a suitable wall outlet.
- Sambungan Sumber Audio:
- For standard audio devices (e.g., CD player, mixer), connect their stereo RCA output to the INPUT (L/R) jacks on the rear of the EQ-898.
- For USB audio sources, connect to the USB Group Signal Transmission input.
- For DVD audio sources, connect to the DVD Group Signal Transmission input.
- AmpSambungan penyambung/Penerima: Sambungkan OUTPUT (L/R) jacks on the rear of the EQ-898 to the stereo RCA input of your amppenguat atau penerima.
- Recording Device Connection (Optional): If you wish to record the processed audio, connect the REC (L/R) jacks on the rear of the EQ-898 to the stereo RCA input of your recording device.
- Kuasa Awal Hidup: Ensure all connections are secure before turning on the EQ-898 using the front panel power switch.
6. Arahan Operasi
6.1 Operasi Asas
- Hidupkan kuasa: Press the Power switch on the front panel. The frequency beat display will illuminate.
- Pilih Input: Use the 'Audio Input conversion' button to cycle through available input sources (e.g., RCA, USB, DVD, Bluetooth).
- Mainkan Audio: Start playback from your selected audio source. If using USB/Card Reader, insert your storage device; the unit supports WAV, APE, and MP3 formats. Use the 'Pause/Play' and 'Next Song' buttons for media control.
- Adjust Equalization: Use the 20-band graphic equalizer sliders on both the left and right channels to adjust specific frequency ranges. Move sliders up to boost frequencies and down to cut them.
- Keluaran Monitor: Observe the 'Frequency beat display' to visualize the audio signal.
6.2 Berpasangan Bluetooth
Untuk menyambungkan peranti Bluetooth:
- Ensure the EQ-898 is powered on and set to Bluetooth input mode (if applicable, using the 'Audio Input conversion' button).
- Pada peranti mudah alih atau komputer anda, dayakan Bluetooth dan cari peranti yang tersedia.
- Select 'EQ-898' from the list of devices.
- Once paired, audio from your Bluetooth device will play through the equalizer.
7. Spesifikasi
| Ciri | Perincian |
|---|---|
| Model | EQ-898 |
| taip | HIFI Digital HD Stereo Preamplifier Equalizer |
| Band Penyama | Dual 20-Band Graphic |
| Bekalan Kuasa | 220V 50/60Hz |
| Penggunaan Kuasa | 10W |
| Dimensi (W * H * D) | 430mm * 75mm * 233mm |
| Berat badan | 2.0 KG |
| Format Audio yang Disokong | WAV, APE, MP3 (via USB/Card Reader) |
| Ketersambungan | Bluetooth, RCA Input/Output, USB, DVD Input |
| Kategori Bekalan DIY | Elektrik |
| Komponen Elektronik | No (as per product properties, referring to specific classification) |
| Bahan kimia yang sangat prihatin | tiada |
| asal usul | Tanah Besar China |
8. Penyelenggaraan
- Pembersihan: Gunakan kain lembut dan kering untuk membersihkan bahagian luar unit. Jangan gunakan pembersih cecair atau aerosol.
- Pengudaraan: Pastikan bukaan pengudaraan tidak disekat untuk mengelakkan terlalu panas.
- Storan: When not in use for extended periods, store the unit in a cool, dry place, away from direct sunlight and dust.
- Slider Care: Avoid forcing the equalizer sliders. If they become stiff, gentle movement may help, but do not apply lubricants.
9. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa | Power cord not connected; power outlet faulty | Periksa sambungan kord kuasa; cuba outlet lain. |
| Tiada keluaran bunyi | Incorrect input selected; cables loose; amppengikat dimatikan | Verify input selection; check all audio cable connections; ensure amplifier dihidupkan dan ditetapkan kepada input yang betul. |
| Bunyi herot | Input signal too high; equalizer settings extreme | Reduce input volume from source; adjust equalizer sliders to a more neutral position. |
| Bluetooth tidak bersambung | EQ-898 not in pairing mode; device too far | Ensure EQ-898 is in Bluetooth input mode; bring device closer; try re-pairing. |
10. Petua Pengguna
- Mulakan dengan Tetapan Rata: When first adjusting the equalizer, set all sliders to their neutral (flat) position and make small, incremental changes to hear the effect.
- Balance Channels: Use the left and right channel sliders independently to correct any stereo imbalance or to create specific soundstage kesan.
- Eksperimen dengan Pratetap: If the unit has preset EQ modes (not explicitly mentioned but common), experiment with them to find a sound profile you like before making manual adjustments.
- Peletakan Optimum: Ensure the unit is placed where its display and controls are easily accessible for real-time adjustments.
11. Waranti dan Sokongan
Produk ini didatangkan dengan jaminan pengeluar standard. Untuk terma jaminan tertentu, sokongan teknikal atau pertanyaan perkhidmatan, sila rujuk dokumentasi yang disediakan semasa pembelian atau hubungi peruncit anda. Simpan bukti pembelian anda untuk tuntutan jaminan.
