pengenalan
This manual provides comprehensive instructions for the operation and maintenance of your SEMIER Boombox MP3 Conversion Cassette Tape Player Recorder AM FM Radio. This multi-functional device allows you to play cassette tapes, listen to AM/FM radio, convert cassette audio to MP3 digital files via USB, and record audio using its built-in microphone. Please read this manual thoroughly before use to ensure proper functionality and longevity of your device.
Maklumat Keselamatan
- Jangan dedahkan unit kepada hujan atau lembapan untuk mengelakkan bahaya kebakaran atau kejutan.
- Elakkan meletakkan unit berhampiran sumber haba seperti radiator, daftar haba, dapur, atau radas lain (termasuk amppenghidup) yang menghasilkan haba.
- Jangan sekat sebarang bukaan pengudaraan. Pasang mengikut arahan pengilang.
- Lindungi kord kuasa daripada berjalan atau tersepit, terutamanya pada palam, bekas kemudahan dan tempat keluar dari radas.
- Hanya gunakan lampiran/aksesori yang ditentukan oleh pengilang.
- Cabut plag radas ini semasa ribut petir atau apabila tidak digunakan untuk jangka masa yang lama.
Kandungan Pakej
- 1 x SEMIER Boombox MP3 Conversion Cassette Tape Player Recorder
- 1 x Kabel Kuasa AC
- Manual Pengguna (dokumen ini)
Produk Selesaiview

Rajah 1: Depan view of the SEMIER Boombox, showing the cassette deck, radio tuner, and control buttons.
Ciri-ciri Utama:
- Cassette Player/Recorder: Play your favorite tapes or record new audio.
- Radio AM/FM: Enjoy local radio stations with excellent reception via the telescopic antenna.
- MP3 Conversion: Easily convert cassette tapes to MP3 files directly onto a USB flash drive.
- Rakaman USB: Record audio directly to a USB drive using the built-in microphone.
- Pembesar Suara Terbina dalam: Features a 3-inch, 6W large speaker for clear and crisp sound.
- Jack fon telinga: Bicu 3.5mm untuk mendengar secara peribadi.
- Pilihan Kuasa Dwi: Operates on AC power (cord included) or 4 x C batteries (not included) for portability.
- Reka Bentuk Mudah Alih: Compact size (9.5*3.3*4.5 inches) with a swivel handle for easy transport.

Figure 2: Dimensions of the SEMIER Boombox, highlighting its compact and portable design.
Persediaan
Mengkuasakan Peranti:
Your SEMIER Boombox offers two power options:
- Kuasa AC:
For continuous use, connect the included AC power cord to the AC input jack on the back of the unit and plug the other end into a standard 110V-50Hz wall outlet.

Figure 3: Powering the device using the AC power cord or C batteries.
- Kuasa Bateri:
For portable use, the unit requires 4 x C cell batteries (not included). Open the battery compartment cover on the bottom of the unit and insert the batteries, ensuring correct polarity (+/-). Close the cover securely.
Arahan Operasi
1. Memainkan Pita Kaset
- Tetapkan FUNGSI switch to the "TAPE/OFF" position.
- Tekan ke BERHENTI/EJECT butang untuk membuka petak kaset.
- Masukkan pita kaset dengan tepi terbuka menghadap ke atas.
- Close the cassette compartment firmly.
- Tekan ke BERMAIN butang untuk memulakan main balik.
- Laraskan JILID knob on the side to your desired listening level.
- guna F.FWD (Maju Pantas) atau F.REW (Fast Rewind) buttons to navigate through the tape.
- Tekan JEDA untuk menghentikan main balik buat sementara waktu, dan tekan sekali lagi untuk menyambung semula.
- Tekan BERHENTI/EJECT untuk menghentikan main balik dan mengeluarkan pita.
Video: Demonstrating the SEMIER Boombox MP3 Conversion Cassette Player features, including tape playback.
2. Mendengarkan Radio AM / FM
- Tetapkan FUNGSI switch to the "RADIO" position.
- Select your desired band (AM or FM) using the BAND suis.
- Panjangkan antena teleskopik untuk penerimaan FM yang optimum. Untuk AM, putar unit untuk penerimaan terbaik.
- Pusingkan MENALA knob on the side to find your desired radio station. The frequency scale will indicate the current station.
- Laraskan JILID tombol ke tahap pendengaran pilihan anda.

Figure 4: The boombox with its telescopic antenna extended for improved AM/FM radio reception.
3. Converting Cassette to MP3 (USB Recording)
This feature allows you to digitize your old cassette tapes directly to a USB flash drive without needing a computer.
- Insert a cassette tape into the cassette compartment (refer to "Playing Cassette Tapes" section).
- Insert a USB flash drive into the USB port on the top of the unit.
- Tetapkan FUNGSI switch to the "USB" position.
- Tekan lama REC (Record) button until the red light comes on. The recording will begin.
- Untuk berhenti merakam, tekan BERHENTI/EJECT button. The recorded MP3 file will be saved on your USB drive.
Video: Detailed demonstration of MP3 conversion from cassette tape to USB.

Figure 5: Visual representation of the cassette to MP3 transfer process, highlighting no computer or app needed.
4. Voice Recording (to USB)
You can record audio directly to a USB flash drive using the built-in microphone.
- Masukkan pemacu kilat USB ke dalam port USB.
- Tetapkan FUNGSI switch to the "USB" position.
- Tekan lama REC (Record) button until the red light comes on. The recording will begin via the built-in microphone.
- Untuk berhenti merakam, tekan BERHENTI/EJECT button. The recorded audio file will be saved on your USB drive.
5. Using the Earphone Jack
For private listening, plug any standard 3.5mm earphones or headphones into the TELEFON jack located on the side of the unit. The main speaker will automatically mute when earphones are connected.

Figure 6: The 3.5mm earphone jack for private listening and the large speaker for shared audio.
Penyelenggaraan
- Pembersihan: Gunakan kain lembut dan kering untuk membersihkan bahagian luar unit. Jangan gunakan pembersih atau pelarut yang melelas.
- Pembersihan Kepala Kaset: Periodically clean the cassette head, pinch roller, and capstan with a cotton swab lightly moistened with isopropyl alcohol to ensure optimal sound quality and prevent tape damage.
- Storan: When not in use for extended periods, remove batteries and store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
Menyelesaikan masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa | Kord kuasa tidak disambungkan; Bateri habis atau salah dimasukkan. | Ensure AC cord is securely plugged in. Check battery polarity and replace if necessary. |
| Penerimaan radio yang lemah | Antena tidak dipanjangkan; Kawasan isyarat lemah. | Fully extend the telescopic antenna. Try repositioning the unit or rotating it for better signal. |
| Kaset tidak dimainkan/rakam | Tape not inserted correctly; Tape damaged; Play/Record head dirty. | Re-insert tape correctly. Try a different tape. Clean the cassette head. |
| Rakaman USB tidak berfungsi | USB drive full or incompatible; Not in USB mode; REC button not long-pressed. | Use a different USB drive or clear space. Ensure FUNCTION switch is on "USB". Long press REC button until red light appears. |
Spesifikasi
- Jenama: SEMIER
- model: SM-139
- Sumber Kuasa: AC 110V-50Hz (cord included) or 4 x C Batteries (not included)
- Jenis pembesar suara: Mono, 3-inch, 6W
- Frekuensi radio: AM 520-1710 KHz, FM 87-108 MHz
- Ketersambungan: Auxiliary (Earphone Jack), USB
- warna: Hitam
- Berat Barang: 2.42 paun
- Dimensi Pakej: 10.5 x 5.8 x 5.2 inci
- Negara Asal: China
Waranti dan Sokongan
For any product inquiries, technical support, or warranty claims, please contact SEMIER customer service through the platform where you purchased the product. Please retain your proof of purchase for warranty validation.





