This document is a product manual, which mainly introduces the basic functions and features of a certain brand of mobile phone, as well as how to use it.
This manual covers the HYV‑E30 portable recorder made by Hyundai. It includes safety precautions, a description of the device’s appearance and LCD display, battery‑level monitoring, and a list of accessories.
Detailed operating instructions are provided for powering the unit on and off, recording with the built‑in or external microphone, telephone recording, playback controls, MP3 and FM‑radio functions, file deletion, and configuration settings. The final sections give troubleshooting tips, product specifications, warnings, and legal statements. This manual is written in Korean.
| Dimensions | 96 × 96 × 3 mm (approx.) |
|---|---|
| USB Interface | USB 2.0 (Full Speed) |
| Battery | High‑performance lithium battery |
| Sampling Rate | 8 kHz |
| Signal‑to‑Noise Ratio | ≥ 85 dB |
If the battery is low, the recorder will automatically shut down after about 3–5 minutes of inactivity; charge the battery promptly.