This is an operating instruction manual for the Sony ICD-MX20 IC Recorder, including specifications, usage instructions, and installation recommendations.
This manual provides step‑by‑step instructions for installing batteries, setting the clock, recording and playing back voice messages on the Sony ICD‑MX20 IC recorder. It also includes safety information, FCC compliance details, and contact information for Sony support.
Additional sections cover troubleshooting common issues, battery maintenance, menu operation, and tips for improving sound quality. The guide is intended for end users who need to operate the device safely and efficiently.
| Battery type | LRO3 (AAA) alkaline |
|---|---|
| Battery life (recording, ST mode) | up to 8 hr |
| Maximum messages per folder | 999 |
| Maximum total messages | 1,012 |
Open the battery compartment, insert two LRO3 (AAA) alkaline batteries with the correct polarity, and close the lid.
Make sure headphones are not plugged in, the volume is turned up, and the speaker is not muted in the menu settings.