This document is an operation manual for the Sony HVR-M25AC high-definition digital tape recorder. It describes the features and functions of the product, including support for recording and playback in HDV and DVCAM/DV formats, as well as the use of digital processing and component video technology to achieve stable and high-quality images.
The manual introduces the HVR‑M25AC, a high‑definition digital video recorder that supports HDV, DVCAM and DV formats, and details its inputs, outputs, and key specifications.
It offers step‑by‑step guidance for powering on, inserting tape, using i.LINK, HDMI, component and S‑Video connections, navigating menus, setting timecode, recording and playback, as well as maintenance and troubleshooting procedures. This manual is written in Chinese.
| Video recording format | 1080/60i NTSC (EIA standard) |
|---|---|
| Audio recording format | MPEG‑1 Audio Layer2, 2‑channel, 16‑bit, 48 kHz, 384 kbps |
| Tape speed (HDV) | ≈18.8 mm/s |
| Recording bitrate | ≈25 Mbps |
The default language is English; you can change it via the LANGUAGE option in the OTHERS menu.
Set the REPEAT switch to AUTO; the tape will automatically rewind to the start and begin playing.
The HDV tape speed is approximately 18.8 mm/s.