1. Pengenalan
Thank you for choosing the Proxel AV-908 Desktop Microphone. This manual provides detailed instructions for the proper setup, operation, and maintenance of your device. Please read this manual thoroughly before using the microphone to ensure optimal performance and safety.
2. Maklumat Keselamatan
- Bekalan Kuasa: Use only the specified 9V DC power supply or a compatible 9V battery. Incorrect voltage boleh merosakkan peranti.
- Persekitaran: Do not expose the microphone to water, moisture, extreme temperatures, or direct sunlight. Operate in a dry, stable environment.
- Pengendalian: Kendalikan peranti ini dengan berhati-hati. Elakkan daripada menjatuhkan atau mendedahkannya kepada hentaman yang kuat.
- Pengudaraan: Pastikan pengudaraan yang betul di sekeliling unit untuk mengelakkan terlalu panas.
- Pembersihan: Putuskan kuasa sebelum membersihkan. Gunakan kain lembut dan kering. Jangan gunakan pembersih cecair atau aerosol.
- Servis: Jangan cuba membuka atau membaiki unit sendiri. Rujuk semua servis kepada kakitangan yang berkelayakan.
3. Kandungan Pakej
Sila semak pakej untuk item berikut:
- Proxel AV-908 Desktop Microphone Unit
- Connection Cable with RJ-45 Connector and Bare Wires
- Manual Pengguna (dokumen ini)
4. Produk Lebihview
The Proxel AV-908 is a high-sensitivity desktop microphone designed for clear and consistent vocal transmission. It features an integrated dynamic vocal compressor and a graphic equalizer for enhanced audio control.

Figure 1: Proxel AV-908 Desktop Microphone. The image displays the Proxel AV-908 desktop microphone unit. It features a main base unit with various controls and a display, and a flexible gooseneck microphone extending upwards from the base. The base includes sliders for the graphic equalizer and buttons for operation.
Ciri-ciri Utama:
- High-sensitivity ceramic microphone capsule.
- Integrated dynamic vocal compressor with High, Med, and Low modes for consistent audio levels.
- 4-element graphic equalizer (270, 540, 1000, 2000 Hz) for fine-tuning audio output.
- Built-in modulation prevention circuit with a 30-second alarm for prolonged transmission.
- Integrated battery test circuit to check power supply status.
5. Persediaan
- Sambungan Kuasa: Insert a 9V battery into the battery compartment located on the underside of the unit, observing polarity. Alternatively, connect a compatible 9V DC power adapter (not included) to the DC input jack.
- Sambungan Radio: Connect the supplied RJ-45 cable to the microphone's output port. Connect the other end of the cable (RJ-45 or bare wires, depending on your radio model) to the microphone input of your ICOM, YAESU, or Kenwood radio. Refer to your radio's manual for specific wiring diagrams if using bare wires.
- penempatan: Place the microphone on a stable, flat surface away from sources of interference. Adjust the gooseneck microphone to a comfortable speaking position.
6. Arahan Operasi
6.1 Power On/Off and Battery Test
- To power on the unit, press the power button. The battery test circuit will briefly display the battery charge level and supply voltage.
- Untuk mematikan kuasa, tekan butang kuasa sekali lagi.
6.2 Dynamic Vocal Compressor
The integrated dynamic vocal compressor helps maintain a consistent audio output level, reducing distortion. Select one of the following modes:
- Tinggi: Provides 45dB of compression, suitable for very consistent audio.
- Med: Provides 30dB of compression, a balanced setting for most uses.
- Rendah: Provides 10dB of compression, for minimal audio leveling.
Adjust the compressor mode using the dedicated switch or buttons on the unit.
6.3 Penyama Grafik
The 4-element graphic equalizer allows you to fine-tune your audio for optimal performance in FM and SSB modes, especially for DX (long-distance) communication. Adjust the sliders for the following frequencies:
- 270 Hz
- 540 Hz
- 1000 Hz
- 2000 Hz
Each element has a range of +12dB. Experiment with settings to achieve the desired audio quality for your voice and operating conditions.
6.4 Modulation Prevention Circuit
This circuit provides an audible alarm for 30 seconds if a prolonged transmission is detected. After the alarm, the unit will automatically return to receive mode to prevent accidental continuous transmission.
7. Penyelenggaraan
- Pembersihan: Regularly wipe the microphone and base unit with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents.
- Penggantian Bateri: When the battery test indicates low power, replace the 9V battery promptly to ensure consistent performance.
- Storan: If storing the microphone for an extended period, remove the battery to prevent leakage. Store in a cool, dry place.
8. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa | Battery depleted or incorrectly inserted; power adapter not connected or faulty. | Replace battery or check battery polarity. Ensure power adapter is securely connected and functional. |
| Tiada output audio | Microphone not connected to radio; radio input not selected; microphone settings incorrect. | Check cable connections to both microphone and radio. Ensure radio is set to external microphone input. Verify compressor and equalizer settings. |
| Audio yang diputarbelitkan | Compressor setting too high; equalizer settings incorrect; speaking too close to microphone. | Adjust compressor to Med or Low. Reset equalizer settings or adjust them. Maintain appropriate distance from the microphone. |
| Modulation prevention alarm sounds frequently | Prolonged transmission. | Ensure you are not transmitting continuously for more than 30 seconds. This is a safety feature. |
9. Spesifikasi
| Ciri | Perincian |
|---|---|
| Jenis Mikrofon | High-sensitivity ceramic element |
| Tahap Mampatan | High: 45dB, Med: 30dB, Low: 10dB |
| Nisbah Isyarat-kepada-Bunyi (S/N) | 80dB (with graphic equalizer) |
| Distortion Factor | 0.05% (in linear area) |
| Penyama Grafik | 4 elements (270, 540, 1000, 2000Hz), +12dB range |
| COMP Output Voltage | 0-30mV (RMS) |
| Impedans Keluaran | 500Ω - 100kΩ |
| Bekalan Kuasa | 9V DC (Dikuasakan oleh Bateri) |
| Dimensi Luaran (L x D x H) | 227 x 130 x 320 mm |
| Berat badan | lebih kurang 1000 g |
| Teknologi Ketersambungan | Bantu |
| Jenis Penyambung | RJ-45 |
| Peranti Serasi | Amplifier (ICOM, YAESU, Kenwood radios) |
| Corak Kutub | Satu arah |
10. Waranti dan Sokongan
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact your local Proxel dealer. You may also visit the official Proxel brand store for more information:
Please have your product model (AV-908) and purchase details ready when contacting support.