The SMSL lines of products uses these NEC32 extended format ir codes.
| Remote | Address |
|---|---|
| A | 2222h |
| Command | Hex |
|---|---|
| POWER | 1h |
| DIAL UP | 2h |
| DIAL LEFT | 3h |
| DIAL ENTER | 4h |
| DIAL RIGHT | 5h |
| DIAL DOWN | 6h |
| INPUT | 7h |
| MODE | 8h |
| MUTE | 9h |
| DISPLAY | Ah |
| EQ | Bh |
| VOL+ | Ch |
| VOL- | Dh |
| LEVEL+ | Eh |
| LEVEL- | Fh |