The AM-550 is a compact, battery‑powered voice recorder with flash memory that retains data without power. It offers multiple recording modes (HQ, SP, LP), a built‑in microphone, external line‑in, and a hearing‑aid function.
The manual explains how to install batteries, set the clock, operate recording and playback functions, edit messages, use the telephone‑line adapter, and perform troubleshooting and safety precautions.
| Model Number | AM-550 |
|---|---|
| Recording Time (HQ mode) | 612 minutes |
| Recording Time (SP mode) | 918 minutes |
| Recording Time (LP mode) | 2004 minutes |
| Output Power (Speaker) | 200 mW (8 Ω) |
| Output Power (Earphone) | 3 mW (3.2 Ω) |
| Battery Type | 2 × AAA alkaline (or equivalent) |
| Dimensions | 81 × 109 × 16 mm (W × H × D) |
| Weight | 34 g (without battery) |
Open the battery cover, insert two AAA alkaline batteries into the compartment, and replace the cover.
The recorder can capture up to 918 minutes in SP mode.
Press the FUNC/DISP button briefly while in stop mode to switch to Hearing Aid mode, then insert an earphone into the ear terminal.