This document is the user manual for the Neuman Yinyuwang M994 MP4 player. It introduces the features of the product, including support for audio, video, image playback, taking pictures, recording, network camera and other functions
This manual provides instructions for using the M994 portable MP4 player, including basic operation, SD/MC card handling, headphone connection, and video/photo capture modes. It also describes the device’s display, supported audio and video formats, and USB connectivity.
Additional sections cover advanced settings such as white‑balance, exposure, and zoom, as well as a troubleshooting guide that addresses common issues like formatting, low sound output, temperature effects, and video display problems. This manual is written in Chinese.
| Dimensions | 110 mm × <45/55 mm × <22 mm |
|---|---|
| Weight | 110 g (without battery) |
| Display | 2.0‑inch LTPS TFT color LCD |
| Camera Resolution | Up to 6 MP (600万像素) |
| Supported Video Formats | ASF, etc. |
| Memory | 128 MB internal |
| USB Interface | USB 1.1 |
| Zoom | 4× optical zoom |
Use headphones with an impedance below 50 Ω, as higher impedance can cause low output power.