1. Introducció
Thank you for choosing the Jazmm CR-318 Portable Cassette Player Recorder with AM/FM Radio. This device combines the classic functionality of a cassette player and recorder with the convenience of an AM/FM radio, offering a versatile audio experience. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your device.
2. Contingut del paquet
Si us plau, verifiqueu que tots els elements siguin presents al paquet:
- Jazmm CR-318 Cassette Player Recorder
- Cable d'alimentació CA
- Manual d'usuari (aquest document)
- Auriculars
- Mini micròfon
3. Producte acabatview
Familiarize yourself with the components and controls of your Jazmm CR-318.

Figura 3.1: Davant view of the Jazmm CR-318 showing the speaker, radio tuner, and cassette compartment.

Figura 3.2: lateral view illustrating the control buttons and compact dimensions of the device.
Controls i ports:
- Control de volum (VOL): Rotary knob to adjust audio output level.
- Micròfon (MIC): Built-in microphone for recording.
- Botó REC: Initiates cassette recording.
- PLAY Button: Starts cassette playback.
- FWD/REW Buttons: Fast forward and rewind cassette tapes.
- STOP/EJECT Button: Stops playback/recording and opens the cassette compartment.
- Sintonitzador AM/FM: Dial for selecting radio frequencies.
- Antena telescòpica: Antena extensible per a una millor recepció de ràdio.
- Presa d'auriculars de 3.5 mm: Per connectar auriculars.
- Entrada DC 5V: Port for connecting the AC power adapter.
- Compartiment de la bateria: Located on the back, for 2 AA batteries.
4. Alimentació del dispositiu
The Jazmm CR-318 can be powered by either an AC adapter or AA batteries.

Figura 4.1: Illustration of the two power supply methods: AC adapter and AA batteries.
4.1. Ús de l'adaptador de CA
- Assegureu-vos que el dispositiu estigui apagat.
- Connect the small end of the provided AC power cord to the DC 5V input jack on the side of the cassette player.
- Connecteu l'altre extrem del cable d'alimentació de CA a una presa de corrent estàndard.
4.2. Using AA Batteries
- Localitzeu el compartiment de la bateria a la part posterior del dispositiu.
- Obriu la tapa del compartiment de la bateria.
- Introduïu dues (2) piles AA, assegurant-vos de la polaritat correcta (+/-) tal com s'indica a l'interior del compartiment.
- Tanqueu bé la tapa del compartiment de la bateria.
Nota: Traieu les piles si no heu d'utilitzar el dispositiu durant un període prolongat per evitar fuites.
5. Funcionament del casset
5.1. Càrrega d'una cinta de casset
- Press the STOP/EJECT button to open the cassette compartment door.
- Insert a cassette tape with the open edge facing upwards and the tape side facing the device.
- Gently close the cassette compartment door until it clicks shut.

Figura 5.1: Correct method for inserting a cassette tape into the player.
5.2. Reproducció
- Load a cassette tape as described above.
- Press the PLAY button to begin playback.
- Adjust the VOL (Volume) knob to your desired listening level.
- To fast forward, press the FWD button. To rewind, press the REW button. Press PLAY to resume normal playback.
- To stop playback, press the STOP/EJECT button.
5.3. Gravació
The Jazmm CR-318 allows you to record audio using its built-in microphone.

Figura 5.2: The device actively recording audio via its built-in microphone.
- Load a blank or recordable cassette tape into the compartment.
- Ensure the tape has write-protection tabs intact if you intend to record over existing content.
- Press the REC button. The PLAY button will also engage simultaneously.
- Speak clearly into the built-in microphone (MIC) located on the side of the device.
- Per aturar la gravació, premeu el botó STOP/EJECT.
- To listen to your recording, rewind the tape to the desired starting point and press PLAY.
6. Funcionament de la ràdio AM/FM
The device features an integrated AM/FM radio tuner.

Figura 6.1: The device demonstrating strong AM/FM radio reception with its extended telescopic antenna.
- Extend the telescopic antenna for optimal FM reception. For AM reception, the internal antenna is generally sufficient, but repositioning the device may improve signal.
- Rotate the AM/FM Tuner dial to select your desired radio station.
- Adjust the VOL (Volume) knob to your preferred listening level.
7. Ús d'auriculars
For private listening, connect the included headphones or any standard 3.5mm headphones.

Figura 7.1: User enjoying audio privately with headphones connected to the cassette player.
- Locate the 3.5mm earphone jack on the side of the device.
- Plug your headphones into this jack.
- The built-in speaker will automatically mute when headphones are connected.
- Adjust the volume using the VOL knob.
8. Manteniment
Proper care ensures the longevity and performance of your cassette player recorder.
- Neteja: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or abrasive materials. For the tape head and pinch roller, use a specialized cassette head cleaner periodically.
- Cura de la bateria: Remove batteries if the device will not be used for extended periods to prevent corrosion.
- Cura de la cinta: Store cassette tapes in their cases away from direct sunlight, heat, and magnetic fields to prevent damage and degradation.
- Emmagatzematge: Guardeu el dispositiu en un lloc fresc i sec quan no l'utilitzeu.
9. Solució De Problemes
Si teniu problemes, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Les piles estan gastades o mal inserides; l'adaptador de CA no està connectat o està defectuós. | Replace batteries, check polarity; ensure AC adapter is securely plugged in and functional. |
| No sound from speaker/headphones | Volume too low; headphones not fully inserted; faulty headphones; device in radio mode with no station tuned. | Increase volume; re-insert headphones; try different headphones; tune to a clear radio station. |
| La cinta de casset no es reprodueix/grava | Tape not inserted correctly; tape damaged; REC button not fully pressed (for recording); write-protection tab removed (for recording). | Re-insert tape; try a different tape; ensure REC button is fully engaged; cover write-protection tab with tape. |
| Mala recepció de ràdio | Antena no estesa; zona de senyal feble; interferències. | Extend telescopic antenna fully; reposition the device; try tuning to a stronger station. |
| Recording has buzzing sound | External interference; microphone too close to speaker; faulty tape. | Move away from electronic devices; ensure microphone is not picking up speaker output; try a new tape. |
10. Especificacions
Key technical specifications for the Jazmm CR-318:
- Dimensions del producte: 4 x 2 x 5 polzades (10.16 x 5.08 x 12.7 cm)
- Pes de l'article: 7.2 unces (204 grams)
- Font d'alimentació: 2 AA batteries or 5V DC (AC adapter)
- Presa per a auriculars: 3.5 mil·límetres
- Factor de forma del micròfon: Integrat
- Mode de funcionament del micròfon: Mono
- Marca: Jazmm
- Fabricant: JiMeng
11. Garantia i Suport
The Jazmm CR-318 comes with a 12-month warranty from the date of purchase. Additionally, a 30-day money-back guarantee is offered. For any product-related inquiries, technical assistance, or warranty claims, please contact our customer service team. We aim for 100% customer satisfaction and provide 24/7 customer support.
Please refer to your purchase documentation or the seller's platform for specific contact details.





