The document describes the failure symptoms and possible causes of a product, as well as troubleshooting methods. The product features include no sound or excessive noise, failure to resume play from the last point, inability to search through tracks, inability to specify point A or B, inability to change the Digital Re-master mode and anti-skip mode, etc.
These operating instructions guide the user through setup, battery installation, and safe operation of the Panasonic SL‑SX450 and SL‑SX451C portable CD players. The manual includes safety warnings, battery handling, and detailed troubleshooting steps for common playback issues.
Key sections provide specifications, connection details, button functions, warranty information, and accessory ordering guidance, helping users get the most out of their device.
| Audio sampling frequency | 44.1 kHz |
|---|---|
| Number of audio channels | 2 (stereo) |
| Frequency response | 20 Hz – 20 kHz (+0.5 dB – ‑7 dB) |
| Headphone output level | RMS max. 6 mW + 6 mW / 16 Ω (adjustable) |
| Laser light source | Semiconductor laser, 780 nm wavelength |
| Laser wavelength | 780 nm |
| MP3 supported bit rates | 32 kbps – 320 kbps (128 kbps recommended) |
| MP3 supported sampling frequencies | 48 kHz / 44.1 kHz / 32 kHz |
| Power supply | DC 4.5 V (via AC adaptor, not included) |
| Operational temperature range | 0 °C – 40 °C |
| Dimensions (W × H × D) | 135 mm × 23.8 mm × 135 mm |
| Mass (with batteries) | 202 g (7.1 oz.) |
Slide the HOLD switch in the opposite direction to cancel the HOLD function.
A bit rate of 128 kbps is recommended for MP3 files.
Use a blower to clean the lens, or gently wipe fingerprints with a cotton swab.