functionmode
nounUK /ˈfʌŋkʃən məʊd/
US /ˈfʌŋkʃən moʊd/
A function mode is a special way a machine or app works to do a certain job.
Press the button to switch the phone into camera function mode.
OTHER MEANINGS
2. A particular state in which a system performs a specific task.
The robot entered a cleaning function mode.
3. A choice on a device that changes what it does.
Choose the sleep function mode to save battery.
4. The way something operates when set for one purpose.
In music function mode, the keyboard plays songs.