This file is the user manual of Sony WM-GX688 radio. It mainly introduces the functions of the radio, including automatic reverse recording, A-B interval repeat, and 16x fast search.
This manual covers safety precautions, battery handling, and basic operation of the Sony WM‑GX688 Walkman cassette player. It explains how to charge the built‑in Ni‑Cd battery, install optional alkaline batteries, and connect accessories such as the remote‑control headset and stereo microphone.
Detailed sections describe tape loading, recording functions, playback controls, radio tuning, audio settings (bass, treble, AVLS), and troubleshooting tips. Warranty information and specifications are also provided. This manual is written in Japanese.
| Playback time (rechargeable + alkaline) | approximately 40 hours |
|---|---|
| Charging time (full charge) | approximately 3 hours |
| Charging time (quick charge) | approximately 1 hour |
| AC input voltage | 100‑240 V AC |
It takes about three hours to fully charge the rechargeable battery.
The device can play for roughly forty hours when using both rechargeable and alkaline batteries.
The charger works with an AC input of 100 to 240 V.
Yes, using both types together provides longer playback time.