code-operated
adjectiveUK /ˈkəʊdˌɒpəreɪtɪd/
US /ˈkoʊdˌɑːpəreɪtɪd/
Something that works by following secret or special instructions.
The code-operated lock opened when she typed the right numbers.
OTHER MEANINGS
2. Controlled by a set of written rules that a machine can read.
The code-operated toy robot walked forward when the program started.
3. Opened or started by entering a secret sequence of letters or numbers.
The code-operated gate let the delivery truck in after the driver typed the code.
4. Run by computer instructions rather than by a person's hands.
The code-operated sprinkler waters the garden at sunrise.