1. Pengenalan
The G-MARK PTM-4 is a versatile 4-channel analog audio mixer designed for various applications including DJ setups, studio recording, karaoke, PC use, live performances, KTV, home, and stage music effects. It features Bluetooth connectivity for wireless streaming, a USB audio interface for recording, 48V phantom power for condenser microphones, and a 3-band EQ on all channels for precise sound control. This manual provides detailed instructions to help you get the most out of your mixer.
Rajah 1: Depan view of the G-MARK PTM-4 Analog Mixer, showcasinreka bentuk padat dan susun atur kawalannya.
2. Kandungan Pakej
Sebelum anda mula, sila sahkan bahawa semua barang disertakan dalam pakej anda:
- G-MARK PTM-4 Analog Mixer
- Kabel Kuasa USB
- Manual Arahan (dokumen ini)
Figure 2: The G-MARK PTM-4 Analog Mixer and its included USB power cord.
3. Persediaan
3.1 Sambungan Kuasa
Connect the provided USB power cord to the mixer's power input port. The mixer can be powered via a computer's USB port or a standard 5V USB charger.
3.2 Sambungan Input
The PTM-4 offers various input options:
- MIC/LINE 1 & 2: XLR/6.35mm combo jacks for microphones (dynamic or condenser with 48V phantom power) or line-level instruments.
- CH3-4 IN: RCA inputs for stereo line-level devices.
- USB: For MP3 playback from a USB drive or connection to a computer for audio interface functions.
Rajah 3: Terperinci view of the G-MARK PTM-4's input and output connections, including microphone/line inputs, RCA inputs, and main outputs.
3.3 Sambungan Output
- MAIN OUT (Left/Right): 6.35mm jacks for connecting to effectors, power amplifiers, or sound boxes.
- REC OUT (Left/Right): Output RCA untuk rakaman.
- FIZIKAL: 6.35mm jack for monitoring audio.
Figure 4: Diagram illustrating various connection possibilities for the G-MARK PTM-4 mixer, including computers, speakers, and other audio equipment.
4. Arahan Operasi
4.1 Kawalan Asas
Biasakan diri anda dengan kawalan utama:
- Tombol Pengganda: Laraskan kepekaan input untuk setiap saluran.
- Treble and Bass Knobs (HF/LF): Adjust high and low frequencies for each channel.
- FX Knobs: Control the amount of effect applied to each channel.
- Volume Knobs (VOL): Adjust the output volume for each channel.
- Main Output Volume Knob (MAIN OUT): Mengawal volum keluaran keseluruhan.
- Headphone Volume Knob (PHONES): Adjusts headphone monitoring volume.
- Suis Kuasa Hantu 48V: Mengaktifkan kuasa hantu 48V untuk mikrofon pemeluwap.
- MODE/REC Button: Switches between different modes (Bluetooth, MP3, PC) and initiates recording.
Figure 5: Labeled diagram of the G-MARK PTM-4 mixer's controls, indicating the function of each knob and button.
Figure 6: The 48V Phantom Power feature of the G-MARK PTM-4, essential for condenser microphones.
4.2 Operasi Bluetooth
- Tekan ke MOD/REC button until "BLUE" appears on the display, indicating Bluetooth mode.
- On your device (phone, tablet), search for "BT56" or "MIX-MP3 BT" in the Bluetooth settings and pair.
- Setelah dipasangkan, anda boleh menstrim audio secara wayarles ke pengadun.
Figure 7: Demonstrates connecting the G-MARK PTM-4 mixer to a mobile phone via Bluetooth for wireless audio streaming.
4.3 MP3 Playback and USB Recording
- Masukkan pemacu kilat USB dengan MP3 files ke dalam port USB.
- Tekan ke MOD/REC button to switch to MP3 playback mode.
- Use the playback controls (previous/next track, play/pause) to navigate your music.
- To record to the USB drive, press and hold the MOD/REC button. The display will show "REC" and the recording time. Press again to stop recording.
4.4 Computer Recording (USB Audio Interface)
Connect the mixer to your computer via the USB port. The mixer will be recognized as an audio input/output device. You can then use your preferred digital audio workstation (DAW) software to record audio from the mixer's inputs.
Video 1: A comprehensive demonstration of the G-MARK PTM-4 Analog Mixer. This video covers the front and rear panels, power connection, mode switching (PC/MP3), various input and output connections (phone, PC, guitar, electronic organ, capacitor mic, wireless mic, karaoke, effectors, power amplifier, sound box), detailed control functions (gain, soprano, bass, effect sending switch, level indicator, volume adjustment), Bluetooth pairing, MP3 playback, USB recording, 48V phantom power activation, computer recording with a microphone and DAW, effect delay and echo count adjustment, master volume control, headphone output, and examples of computer, vocal, and musical instrument recording.
5. Penyelenggaraan
- Pastikan pengadun bersih dengan mengelapnya dengan kain lembut dan kering. Elakkan menggunakan pembersih cecair atau pelarut.
- Lindungi pengadun daripada habuk, kelembapan dan suhu yang melampau.
- Pastikan pengudaraan yang betul untuk mengelakkan terlalu panas.
- Regularly check all cables and connections for wear and tear.
6. Penyelesaian masalah
``| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa | Power cable not connected or faulty; power source issue. | Ensure USB power cable is securely connected. Try a different USB port or power adapter. |
| Tiada keluaran bunyi | Tombol kelantangan terlalu rendah; sambungan input/output yang salah; kabel yang rosak. | Check all volume knobs (channel, main, headphone). Verify all audio cables are correctly connected to inputs and outputs. Test with different cables. |
| Kegagalan berpasangan Bluetooth | Pengadun tidak dalam mod Bluetooth; peranti tidak dapat ditemui; gangguan. | Press MODE/REC to ensure "BLUE" is displayed. Make sure your device's Bluetooth is on and discoverable. Move closer to the mixer. |
| Rakaman USB tidak berfungsi | USB drive not formatted correctly; insufficient space; faulty USB drive. | Ensure USB drive is formatted to FAT32. Check available space. Try a different USB drive. |
| Microphone not working with phantom power | 48V phantom power not activated; faulty microphone or cable. | Ensure the +48V switch is engaged. Verify the microphone and XLR cable are functional. |
7. Spesifikasi
- Jenama: G-MARK
- model: PTM-4
- Bilangan Saluran: 4
- Teknologi Ketersambungan: Antara muka, USB, Bluetooth
- Sumber Kuasa: Elektrik Bertali arus (5V)
- Berat Barang: 2.13 paun
- Dimensi Produk: 7.28"D x 6.1"W x 2.36"H
- Kuasa Hantu: 48V (boleh suis)
- EQ: 3-jalur (Tinggi, Sederhana, Rendah) setiap saluran
8. Waranti dan Sokongan
For warranty information and technical support, please refer to the official G-MARK webtapak atau hubungi perkhidmatan pelanggan mereka. Simpan resit pembelian anda sebagai bukti pembelian.
G-MARK Store: Visit the G-MARK Store on Amazon