| Answer | Crossword Clue |
|---|---|
| PAGERJUICE | Electricity for a signaling device? |
| INPUT | Electricity into a machine, for example. |
| FLARES | Aptitudes for signaling? |
| TURN | Reason for signaling |
| ALPHORN | Swiss instrument for signaling. |
| RADIOSONDE | Device for signaling weather data. |
