This video demonstrates the correct way to install leg wires on a Tone Detonator.
Normal Det Configuration
When the two horizontal pads are soldered, and the vertical pad is not soldered the det is in Normal mode. A tone will be produced in this mode.
Open Det Configuration
When the two horizontal and one vertical pad are not soldered the det is in the open configuration. A tone will not be produced in this mode.
Closed Det Configuration
When the two horizontal and one vertical pad are soldered the det is in the closed configuration. A tone will not be produced in this mode.