Multi-Frame
| Alignment Signal
| multi-frame abbr. | |
| el. | multitrama |
| alignment signal abbr. | |
| el. | señal de ajuste |
| |||
| multitrama f | |||
|
Multi-Frame : 7 phrases in 3 subjects |
| Communications | 3 |
| Construction | 2 |
| Electronics | 2 |