This document is a user manual for a handheld multimedia player, which introduces the features, functions, detailed operations, common troubleshooting and solutions of the product.
This manual provides instructions for using the MRI4 handheld multimedia player, including required PC configuration, connection via USB, and safety precautions. It describes the device’s functions such as video playback, audio playback, photo browsing, recording, and multilingual support.
The document also contains detailed operation steps, a list of accessories, common fault troubleshooting, and the technical specifications of the player, such as storage capacity, battery type, display size, and audio/video capabilities. This manual is written in Chinese.
| Storage capacity | 128/256/512 MB |
|---|---|
| Battery | Internal lithium battery |
| Earphone output power | 5 mW + 5 mW |
| Display | 2.5" TFT |
| Audio output frequency range | 20 Hz – 28 kHz |
| Recording sample rate | 8 kHz – 48 kHz |
| Photo resolution | 400 pixels (interpolated) |
| Camera focal length | 4.3 mm |
Check the audio cable connections; if there is no sound, swap the red and white audio cables until sound is output.