on-offcode
nounUK /ˌɒn ˈɒf kəʊd/
US /ˌɑːn ˈɔːf koʊd/
A code that can be turned on or off.
The teacher gave us an on-offcode to open the classroom game.
OTHER MEANINGS
2. A simple signal that has only two states, like yes or no.
The light uses an on-offcode: one means on, zero means off.
3. A secret word you can activate or deactivate.
He typed the on-offcode to start the robot.
4. A pattern of clicks that turns something on and then off.
The toy beeped an on-offcode when we pressed the button twice.