This document is an instruction manual for an electronic product, which introduces the features and precautions of the product.
This manual explains how to safely operate the Sony ICF‑R50V and ICF‑R40 portable radios. It covers basic features such as the built‑in ear‑receiver auto‑rewind, tuning indicator, noise‑cut function and power‑auto‑off timer, as well as proper handling, battery installation, and troubleshooting steps.
Additional sections detail the radio’s technical specifications, included accessories, warranty terms, and after‑sales service contacts. Guidance is provided for improving reception, switching between speaker and ear‑receiver, and adjusting volume and band selection. This manual is written in Japanese.
| FM band | 76‑108 MHz |
|---|---|
| AM band | 530‑1.605 kHz |
| Speaker diameter | ≈2.8 cm (round) |
| Maximum output | 80 mW (JEITA) |
| Power source | 3 V, 2× AA batteries |
| Power‑auto‑off timer | ≈80‑150 min |
| Dimensions | ≈55 × 91 × 16.5 mm (W × H × D) |
| Weight | ≈80 g (including batteries) |
With the ear‑receiver attached the TV mode runs about 32 hours, and about 12 hours with the speaker.