frame alignment
| signal
| frame alignment v | |
| el. | rammelåsning |
| signal v | |
| mech.eng. | indstilleligt stop for positionskontrol |
| mus. | signal |
| signalling v | |
| commun. | automatisk signalering |
| |||
| rammelåsning | |||
|
frame alignment : 24 phrases in 2 subjects |
| Communications | 8 |
| Electronics | 16 |