1. Introduction
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. Package Contents
Please verify that all items are present in the package:
- Jazmm CR-318 Cassette Player Recorder
- AC Power Cord
- User Manual (this document)
- Headphones
- Mini Microphone
3. Product Overview
Familiarize yourself with the components and controls of your Jazmm CR-318.
Figure 3.1: Front view of the Jazmm CR-318 showing the speaker, radio tuner, and cassette compartment.
Figure 3.2: Side view illustrating the control buttons and compact dimensions of the device.
Controls and Ports:
- Volume Control (VOL): Rotary knob to adjust audio output level.
- Microphone (MIC): Built-in microphone for recording.
- REC Button: 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.
- AM/FM Tuner: Dial for selecting radio frequencies.
- Telescopic Antenna: Extendable antenna for improved radio reception.
- 3.5mm Earphone Jack: For connecting headphones.
- DC 5V Input: Port for connecting the AC power adapter.
- Battery Compartment: Located on the back, for 2 AA batteries.
4. Powering the Device
The Jazmm CR-318 can be powered by either an AC adapter or AA batteries.
Figure 4.1: Illustration of the two power supply methods: AC adapter and AA batteries.
4.1. Using the AC Adapter
- Ensure the device is turned off.
- Connect the small end of the provided AC power cord to the DC 5V input jack on the side of the cassette player.
- Plug the other end of the AC power cord into a standard wall outlet.
4.2. Using AA Batteries
- Locate the battery compartment on the back of the device.
- Slide open the battery compartment cover.
- Insert two (2) AA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
Note: Remove batteries if the device will not be used for an extended period to prevent leakage.
5. Cassette Operation
5.1. Loading a Cassette Tape
- 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.
Figure 5.1: Correct method for inserting a cassette tape into the player.
5.2. Playback
- 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. Recording
The Jazmm CR-318 allows you to record audio using its built-in microphone.
Figure 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.
- To stop recording, press the STOP/EJECT button.
- To listen to your recording, rewind the tape to the desired starting point and press PLAY.
6. AM/FM Radio Operation
The device features an integrated AM/FM radio tuner.
Figure 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. Using Headphones
For private listening, connect the included headphones or any standard 3.5mm headphones.
Figure 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. Maintenance
Proper care ensures the longevity and performance of your cassette player recorder.
- Cleaning: 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.
- Battery Care: Remove batteries if the device will not be used for extended periods to prevent corrosion.
- Tape Care: Store cassette tapes in their cases away from direct sunlight, heat, and magnetic fields to prevent damage and degradation.
- Storage: Store the device in a cool, dry place when not in use.
9. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Batteries are dead or incorrectly inserted; AC adapter not connected or faulty. | 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. |
| Cassette tape not playing/recording | 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. |
| Poor radio reception | Antenna not extended; weak signal area; interference. | 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. Specifications
Key technical specifications for the Jazmm CR-318:
- Product Dimensions: 4 x 2 x 5 inches (10.16 x 5.08 x 12.7 cm)
- Item Weight: 7.2 ounces (204 grams)
- Power Source: 2 AA batteries or 5V DC (AC adapter)
- Headphones Jack: 3.5 millimeters
- Microphone Form Factor: Built-In
- Microphone Operation Mode: Mono
- Brand: Jazmm
- Manufacturer: JiMeng
11. Warranty and Support
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.
